Mercurial > hg > icedtea8-forest > hotspot
view src/share/vm/runtime/javaCalls.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 | 32bc598624bd |
children | f79e943d15a7 |
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/* * Copyright (c) 1997, 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_RUNTIME_JAVACALLS_HPP #define SHARE_VM_RUNTIME_JAVACALLS_HPP #include "memory/allocation.hpp" #include "oops/method.hpp" #include "runtime/handles.hpp" #include "runtime/javaFrameAnchor.hpp" #include "runtime/thread.inline.hpp" #include "runtime/vmThread.hpp" #ifdef TARGET_ARCH_x86 # include "jniTypes_x86.hpp" #endif #ifdef TARGET_ARCH_aarch64 # include "jniTypes_aarch64.hpp" #endif #ifdef TARGET_ARCH_sparc # include "jniTypes_sparc.hpp" #endif #ifdef TARGET_ARCH_zero # include "jniTypes_zero.hpp" #endif #ifdef TARGET_ARCH_arm # include "jniTypes_arm.hpp" #endif #ifdef TARGET_ARCH_ppc # include "jniTypes_ppc.hpp" #endif // A JavaCallWrapper is constructed before each JavaCall and destructed after the call. // Its purpose is to allocate/deallocate a new handle block and to save/restore the last // Java fp/sp. A pointer to the JavaCallWrapper is stored on the stack. class JavaCallWrapper: StackObj { friend class VMStructs; private: JavaThread* _thread; // the thread to which this call belongs JNIHandleBlock* _handles; // the saved handle block Method* _callee_method; // to be able to collect arguments if entry frame is top frame oop _receiver; // the receiver of the call (if a non-static call) JavaFrameAnchor _anchor; // last thread anchor state that we must restore JavaValue* _result; // result value public: // Construction/destruction JavaCallWrapper(methodHandle callee_method, Handle receiver, JavaValue* result, TRAPS); ~JavaCallWrapper(); // Accessors JavaThread* thread() const { return _thread; } JNIHandleBlock* handles() const { return _handles; } JavaFrameAnchor* anchor(void) { return &_anchor; } JavaValue* result() const { return _result; } // GC support Method* callee_method() { return _callee_method; } oop receiver() { return _receiver; } void oops_do(OopClosure* f); bool is_first_frame() const { return _anchor.last_Java_sp() == NULL; } }; // Encapsulates arguments to a JavaCall (faster, safer, and more convenient than using var-args) class JavaCallArguments : public StackObj { private: enum Constants { _default_size = 8 // Must be at least # of arguments in JavaCalls methods }; intptr_t _value_buffer [_default_size + 1]; u_char _value_state_buffer[_default_size + 1]; intptr_t* _value; u_char* _value_state; int _size; int _max_size; bool _start_at_zero; // Support late setting of receiver void initialize() { // Starts at first element to support set_receiver. _value = &_value_buffer[1]; _value_state = &_value_state_buffer[1]; _max_size = _default_size; _size = 0; _start_at_zero = false; } // Helper for push_oop and the like. The value argument is a // "handle" that refers to an oop. We record the address of the // handle rather than the designated oop. The handle is later // resolved to the oop by parameters(). This delays the exposure of // naked oops until it is GC-safe. template<typename T> inline int push_oop_impl(T handle, int size) { // JNITypes::put_obj expects an oop value, so we play fast and // loose with the type system. The cast from handle type to oop // *must* use a C-style cast. In a product build it performs a // reinterpret_cast. In a debug build (more accurately, in a // CHECK_UNHANDLED_OOPS build) it performs a static_cast, invoking // the debug-only oop class's conversion from void* constructor. JNITypes::put_obj((oop)handle, _value, size); // Updates size. return size; // Return the updated size. } public: JavaCallArguments() { initialize(); } JavaCallArguments(Handle receiver) { initialize(); push_oop(receiver); } JavaCallArguments(int max_size) { if (max_size > _default_size) { _value = NEW_RESOURCE_ARRAY(intptr_t, max_size + 1); _value_state = NEW_RESOURCE_ARRAY(u_char, max_size + 1); // Reserve room for potential receiver in value and state _value++; _value_state++; _max_size = max_size; _size = 0; _start_at_zero = false; } else { initialize(); } } // The possible values for _value_state elements. enum { value_state_primitive, value_state_oop, value_state_handle, value_state_jobject, value_state_limit }; inline void push_oop(Handle h) { _value_state[_size] = value_state_handle; _size = push_oop_impl(h.raw_value(), _size); } inline void push_jobject(jobject h) { _value_state[_size] = value_state_jobject; _size = push_oop_impl(h, _size); } inline void push_int(int i) { _value_state[_size] = value_state_primitive; JNITypes::put_int(i, _value, _size); } inline void push_double(double d) { _value_state[_size] = value_state_primitive; _value_state[_size + 1] = value_state_primitive; JNITypes::put_double(d, _value, _size); } inline void push_long(jlong l) { _value_state[_size] = value_state_primitive; _value_state[_size + 1] = value_state_primitive; JNITypes::put_long(l, _value, _size); } inline void push_float(float f) { _value_state[_size] = value_state_primitive; JNITypes::put_float(f, _value, _size); } // receiver Handle receiver() { assert(_size > 0, "must at least be one argument"); assert(_value_state[0] == value_state_handle, "first argument must be an oop"); assert(_value[0] != 0, "receiver must be not-null"); return Handle((oop*)_value[0], false); } void set_receiver(Handle h) { assert(_start_at_zero == false, "can only be called once"); _start_at_zero = true; _value_state--; _value--; _size++; _value_state[0] = value_state_handle; push_oop_impl(h.raw_value(), 0); } // Converts all Handles to oops, and returns a reference to parameter vector intptr_t* parameters() ; int size_of_parameters() const { return _size; } // Verify that pushed arguments fits a given method void verify(methodHandle method, BasicType return_type); }; // All calls to Java have to go via JavaCalls. Sets up the stack frame // and makes sure that the last_Java_frame pointers are chained correctly. // class JavaCalls: AllStatic { static void call_helper(JavaValue* result, methodHandle* method, JavaCallArguments* args, TRAPS); public: // Optimized Constuctor call static void call_default_constructor(JavaThread* thread, methodHandle method, Handle receiver, TRAPS); // call_special // ------------ // The receiver must be first oop in argument list static void call_special(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS); static void call_special(JavaValue* result, Handle receiver, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); // No args static void call_special(JavaValue* result, Handle receiver, KlassHandle klass, Symbol* name, Symbol* signature, Handle arg1, TRAPS); static void call_special(JavaValue* result, Handle receiver, KlassHandle klass, Symbol* name, Symbol* signature, Handle arg1, Handle arg2, TRAPS); // virtual call // ------------ // The receiver must be first oop in argument list static void call_virtual(JavaValue* result, KlassHandle spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS); static void call_virtual(JavaValue* result, Handle receiver, KlassHandle spec_klass, Symbol* name, Symbol* signature, TRAPS); // No args static void call_virtual(JavaValue* result, Handle receiver, KlassHandle spec_klass, Symbol* name, Symbol* signature, Handle arg1, TRAPS); static void call_virtual(JavaValue* result, Handle receiver, KlassHandle spec_klass, Symbol* name, Symbol* signature, Handle arg1, Handle arg2, TRAPS); // Static call // ----------- static void call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS); static void call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); static void call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, Handle arg1, TRAPS); static void call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, Handle arg1, Handle arg2, TRAPS); // Low-level interface static void call(JavaValue* result, methodHandle method, JavaCallArguments* args, TRAPS); }; #endif // SHARE_VM_RUNTIME_JAVACALLS_HPP