Mercurial > hg > icedtea8-forest > hotspot
view src/share/vm/code/codeBlob.cpp @ 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 | a248d0be1309 |
children | f79e943d15a7 |
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/* * Copyright (c) 1998, 2018, 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. * */ #include "precompiled.hpp" #include "code/codeBlob.hpp" #include "code/codeCache.hpp" #include "code/relocInfo.hpp" #include "compiler/disassembler.hpp" #include "interpreter/bytecode.hpp" #include "memory/allocation.inline.hpp" #include "memory/heap.hpp" #include "oops/oop.inline.hpp" #include "prims/forte.hpp" #include "runtime/handles.inline.hpp" #include "runtime/interfaceSupport.hpp" #include "runtime/mutexLocker.hpp" #include "runtime/safepoint.hpp" #include "runtime/sharedRuntime.hpp" #include "runtime/vframe.hpp" #include "services/memoryService.hpp" #ifdef TARGET_ARCH_x86 # include "nativeInst_x86.hpp" #endif #ifdef TARGET_ARCH_aarch64 # include "nativeInst_aarch64.hpp" #endif #ifdef TARGET_ARCH_sparc # include "nativeInst_sparc.hpp" #endif #ifdef TARGET_ARCH_zero # include "nativeInst_zero.hpp" #endif #ifdef TARGET_ARCH_arm # include "nativeInst_arm.hpp" #endif #ifdef TARGET_ARCH_ppc # include "nativeInst_ppc.hpp" #endif #ifdef COMPILER1 #include "c1/c1_Runtime1.hpp" #endif unsigned int CodeBlob::align_code_offset(int offset) { // align the size to CodeEntryAlignment return ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) - (int)CodeHeap::header_size(); } // This must be consistent with the CodeBlob constructor's layout actions. unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { unsigned int size = header_size; size += round_to(cb->total_relocation_size(), oopSize); // align the size to CodeEntryAlignment size = align_code_offset(size); size += round_to(cb->total_content_size(), oopSize); size += round_to(cb->total_oop_size(), oopSize); size += round_to(cb->total_metadata_size(), oopSize); return size; } // Creates a simple CodeBlob. Sets up the size of the different regions. CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { assert(size == round_to(size, oopSize), "unaligned size"); assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); assert(header_size == round_to(header_size, oopSize), "unaligned size"); assert(!UseRelocIndex, "no space allocated for reloc index yet"); // Note: If UseRelocIndex is enabled, there needs to be (at least) one // extra word for the relocation information, containing the reloc // index table length. Unfortunately, the reloc index table imple- // mentation is not easily understandable and thus it is not clear // what exactly the format is supposed to be. For now, we just turn // off the use of this table (gri 7/6/2000). _name = name; _size = size; _frame_complete_offset = frame_complete; _header_size = header_size; _relocation_size = locs_size; _content_offset = align_code_offset(header_size + _relocation_size); _code_offset = _content_offset; _data_offset = size; _frame_size = 0; set_oop_maps(NULL); } // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, // and copy code and relocation info. CodeBlob::CodeBlob( const char* name, CodeBuffer* cb, int header_size, int size, int frame_complete, int frame_size, OopMapSet* oop_maps ) { assert(size == round_to(size, oopSize), "unaligned size"); assert(header_size == round_to(header_size, oopSize), "unaligned size"); _name = name; _size = size; _frame_complete_offset = frame_complete; _header_size = header_size; _relocation_size = round_to(cb->total_relocation_size(), oopSize); _content_offset = align_code_offset(header_size + _relocation_size); _code_offset = _content_offset + cb->total_offset_of(cb->insts()); _data_offset = _content_offset + round_to(cb->total_content_size(), oopSize); assert(_data_offset <= size, "codeBlob is too small"); cb->copy_code_and_locs_to(this); set_oop_maps(oop_maps); _frame_size = frame_size; #ifdef COMPILER1 // probably wrong for tiered assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); #endif // COMPILER1 } void CodeBlob::set_oop_maps(OopMapSet* p) { // Danger Will Robinson! This method allocates a big // chunk of memory, its your job to free it. if (p != NULL) { // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode); p->copy_to((address)_oop_maps); } else { _oop_maps = NULL; } } void CodeBlob::trace_new_stub(CodeBlob* stub, const char* name1, const char* name2) { // Do not hold the CodeCache lock during name formatting. assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub"); if (stub != NULL) { char stub_id[256]; assert(strlen(name1) + strlen(name2) < sizeof(stub_id), ""); jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2); if (PrintStubCode) { ttyLocker ttyl; tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub); Disassembler::decode(stub->code_begin(), stub->code_end()); tty->cr(); } Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); if (JvmtiExport::should_post_dynamic_code_generated()) { const char* stub_name = name2; if (name2[0] == '\0') stub_name = name1; JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); } } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); } void CodeBlob::flush() { if (_oop_maps) { FREE_C_HEAP_ARRAY(unsigned char, _oop_maps, mtCode); _oop_maps = NULL; } _strings.free(); } OopMap* CodeBlob::oop_map_for_return_address(address return_address) { assert(oop_maps() != NULL, "nope"); return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); } //---------------------------------------------------------------------------------------------------- // Implementation of BufferBlob BufferBlob::BufferBlob(const char* name, int size) : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) {} BufferBlob* BufferBlob::create(const char* name, int buffer_size) { ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock BufferBlob* blob = NULL; unsigned int size = sizeof(BufferBlob); // align the size to CodeEntryAlignment size = align_code_offset(size); size += round_to(buffer_size, oopSize); assert(name != NULL, "must provide a name"); { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); blob = new (size) BufferBlob(name, size); } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); return blob; } BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) {} BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock BufferBlob* blob = NULL; unsigned int size = allocation_size(cb, sizeof(BufferBlob)); assert(name != NULL, "must provide a name"); { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); blob = new (size) BufferBlob(name, size, cb); } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); return blob; } void* BufferBlob::operator new(size_t s, unsigned size, bool is_critical) throw() { void* p = CodeCache::allocate(size, is_critical); return p; } void BufferBlob::free( BufferBlob *blob ) { ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock blob->flush(); { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); CodeCache::free((CodeBlob*)blob); } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); } //---------------------------------------------------------------------------------------------------- // Implementation of AdapterBlob AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : BufferBlob("I2C/C2I adapters", size, cb) { CodeCache::commit(this); } AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock AdapterBlob* blob = NULL; unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); // The parameter 'true' indicates a critical memory allocation. // This means that CodeCacheMinimumFreeSpace is used, if necessary const bool is_critical = true; blob = new (size, is_critical) AdapterBlob(size, cb); } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); return blob; } VtableBlob::VtableBlob(const char* name, int size) : BufferBlob(name, size) { } VtableBlob* VtableBlob::create(const char* name, int buffer_size) { ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock VtableBlob* blob = NULL; unsigned int size = sizeof(VtableBlob); // align the size to CodeEntryAlignment size = align_code_offset(size); size += round_to(buffer_size, oopSize); assert(name != NULL, "must provide a name"); { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); blob = new (size) VtableBlob(name, size); } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); return blob; } //---------------------------------------------------------------------------------------------------- // Implementation of MethodHandlesAdapterBlob MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock MethodHandlesAdapterBlob* blob = NULL; unsigned int size = sizeof(MethodHandlesAdapterBlob); // align the size to CodeEntryAlignment size = align_code_offset(size); size += round_to(buffer_size, oopSize); { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); // The parameter 'true' indicates a critical memory allocation. // This means that CodeCacheMinimumFreeSpace is used, if necessary const bool is_critical = true; blob = new (size, is_critical) MethodHandlesAdapterBlob(size); } // Track memory usage statistic after releasing CodeCache_lock MemoryService::track_code_cache_memory_usage(); return blob; } //---------------------------------------------------------------------------------------------------- // Implementation of RuntimeStub RuntimeStub::RuntimeStub( const char* name, CodeBuffer* cb, int size, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments ) : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) { _caller_must_gc_arguments = caller_must_gc_arguments; } RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, CodeBuffer* cb, int frame_complete, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments) { RuntimeStub* stub = NULL; ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); } trace_new_stub(stub, "RuntimeStub - ", stub_name); return stub; } void* RuntimeStub::operator new(size_t s, unsigned size) throw() { void* p = CodeCache::allocate(size, true); if (!p) fatal("Initial size of CodeCache is too small"); return p; } // operator new shared by all singletons: void* SingletonBlob::operator new(size_t s, unsigned size) throw() { void* p = CodeCache::allocate(size, true); if (!p) fatal("Initial size of CodeCache is too small"); return p; } //---------------------------------------------------------------------------------------------------- // Implementation of DeoptimizationBlob DeoptimizationBlob::DeoptimizationBlob( CodeBuffer* cb, int size, OopMapSet* oop_maps, int unpack_offset, int unpack_with_exception_offset, int unpack_with_reexecution_offset, int frame_size ) : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) { _unpack_offset = unpack_offset; _unpack_with_exception = unpack_with_exception_offset; _unpack_with_reexecution = unpack_with_reexecution_offset; #ifdef COMPILER1 _unpack_with_exception_in_tls = -1; #endif } DeoptimizationBlob* DeoptimizationBlob::create( CodeBuffer* cb, OopMapSet* oop_maps, int unpack_offset, int unpack_with_exception_offset, int unpack_with_reexecution_offset, int frame_size) { DeoptimizationBlob* blob = NULL; ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); blob = new (size) DeoptimizationBlob(cb, size, oop_maps, unpack_offset, unpack_with_exception_offset, unpack_with_reexecution_offset, frame_size); } trace_new_stub(blob, "DeoptimizationBlob"); return blob; } //---------------------------------------------------------------------------------------------------- // Implementation of UncommonTrapBlob #ifdef COMPILER2 UncommonTrapBlob::UncommonTrapBlob( CodeBuffer* cb, int size, OopMapSet* oop_maps, int frame_size ) : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) {} UncommonTrapBlob* UncommonTrapBlob::create( CodeBuffer* cb, OopMapSet* oop_maps, int frame_size) { UncommonTrapBlob* blob = NULL; ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); } trace_new_stub(blob, "UncommonTrapBlob"); return blob; } #endif // COMPILER2 //---------------------------------------------------------------------------------------------------- // Implementation of ExceptionBlob #ifdef COMPILER2 ExceptionBlob::ExceptionBlob( CodeBuffer* cb, int size, OopMapSet* oop_maps, int frame_size ) : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) {} ExceptionBlob* ExceptionBlob::create( CodeBuffer* cb, OopMapSet* oop_maps, int frame_size) { ExceptionBlob* blob = NULL; ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); } trace_new_stub(blob, "ExceptionBlob"); return blob; } #endif // COMPILER2 //---------------------------------------------------------------------------------------------------- // Implementation of SafepointBlob SafepointBlob::SafepointBlob( CodeBuffer* cb, int size, OopMapSet* oop_maps, int frame_size ) : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) {} SafepointBlob* SafepointBlob::create( CodeBuffer* cb, OopMapSet* oop_maps, int frame_size) { SafepointBlob* blob = NULL; ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); } trace_new_stub(blob, "SafepointBlob"); return blob; } //---------------------------------------------------------------------------------------------------- // Verification and printing void CodeBlob::verify() { ShouldNotReachHere(); } void CodeBlob::print_on(outputStream* st) const { st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this)); st->print_cr("Framesize: %d", _frame_size); } void CodeBlob::print_value_on(outputStream* st) const { st->print_cr("[CodeBlob]"); } void BufferBlob::verify() { // unimplemented } void BufferBlob::print_on(outputStream* st) const { CodeBlob::print_on(st); print_value_on(st); } void BufferBlob::print_value_on(outputStream* st) const { st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", p2i(this), name()); } void RuntimeStub::verify() { // unimplemented } void RuntimeStub::print_on(outputStream* st) const { ttyLocker ttyl; CodeBlob::print_on(st); st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this)); st->print_cr("%s", name()); Disassembler::decode((CodeBlob*)this, st); } void RuntimeStub::print_value_on(outputStream* st) const { st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name()); } void SingletonBlob::verify() { // unimplemented } void SingletonBlob::print_on(outputStream* st) const { ttyLocker ttyl; CodeBlob::print_on(st); st->print_cr("%s", name()); Disassembler::decode((CodeBlob*)this, st); } void SingletonBlob::print_value_on(outputStream* st) const { st->print_cr("%s", name()); } void DeoptimizationBlob::print_value_on(outputStream* st) const { st->print_cr("Deoptimization (frame not available)"); }