author | twisti |
Thu, 31 Mar 2016 15:52:07 -1000 | |
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/* |
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* Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_COMPILER_COMPILETASK_HPP |
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#define SHARE_VM_COMPILER_COMPILETASK_HPP |
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#include "code/nmethod.hpp" |
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#include "ci/ciMethod.hpp" |
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#include "compiler/compileLog.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "utilities/xmlstream.hpp" |
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// CompileTask |
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// |
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// An entry in the compile queue. It represents a pending or current |
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// compilation. |
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class CompileTask : public CHeapObj<mtCompiler> { |
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friend class VMStructs; |
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friend class JVMCIVMStructs; |
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private: |
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static CompileTask* _task_free_list; |
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#ifdef ASSERT |
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static int _num_allocated_tasks; |
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#endif |
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Monitor* _lock; |
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uint _compile_id; |
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Method* _method; |
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jobject _method_holder; |
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int _osr_bci; |
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bool _is_complete; |
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bool _is_success; |
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bool _is_blocking; |
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#if INCLUDE_JVMCI |
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bool _has_waiter; |
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// Compiler thread for a blocking JVMCI compilation |
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CompilerThread* _jvmci_compiler_thread; |
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#endif |
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int _comp_level; |
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int _num_inlined_bytecodes; |
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nmethodLocker* _code_handle; // holder of eventual result |
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CompileTask* _next, *_prev; |
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bool _is_free; |
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// Fields used for logging why the compilation was initiated: |
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jlong _time_queued; // in units of os::elapsed_counter() |
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Method* _hot_method; // which method actually triggered this task |
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jobject _hot_method_holder; |
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int _hot_count; // information about its invocation counter |
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const char* _comment; // more info about the task |
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const char* _failure_reason; |
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public: |
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CompileTask() { |
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_lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); |
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} |
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void initialize(int compile_id, const methodHandle& method, int osr_bci, int comp_level, |
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const methodHandle& hot_method, int hot_count, const char* comment, |
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bool is_blocking); |
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static CompileTask* allocate(); |
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static void free(CompileTask* task); |
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int compile_id() const { return _compile_id; } |
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Method* method() const { return _method; } |
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Method* hot_method() const { return _hot_method; } |
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int osr_bci() const { return _osr_bci; } |
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bool is_complete() const { return _is_complete; } |
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bool is_blocking() const { return _is_blocking; } |
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bool is_success() const { return _is_success; } |
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#if INCLUDE_JVMCI |
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bool has_waiter() const { return _has_waiter; } |
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void clear_waiter() { _has_waiter = false; } |
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CompilerThread* jvmci_compiler_thread() const { return _jvmci_compiler_thread; } |
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void set_jvmci_compiler_thread(CompilerThread* t) { |
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assert(is_blocking(), "must be"); |
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assert((t == NULL) != (_jvmci_compiler_thread == NULL), "must be"); |
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_jvmci_compiler_thread = t; |
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} |
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#endif |
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nmethodLocker* code_handle() const { return _code_handle; } |
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void set_code_handle(nmethodLocker* l) { _code_handle = l; } |
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nmethod* code() const; // _code_handle->code() |
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void set_code(nmethod* nm); // _code_handle->set_code(nm) |
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Monitor* lock() const { return _lock; } |
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void mark_complete() { _is_complete = true; } |
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void mark_success() { _is_success = true; } |
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int comp_level() { return _comp_level;} |
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void set_comp_level(int comp_level) { _comp_level = comp_level;} |
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AbstractCompiler* compiler(); |
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int num_inlined_bytecodes() const { return _num_inlined_bytecodes; } |
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void set_num_inlined_bytecodes(int n) { _num_inlined_bytecodes = n; } |
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CompileTask* next() const { return _next; } |
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void set_next(CompileTask* next) { _next = next; } |
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CompileTask* prev() const { return _prev; } |
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void set_prev(CompileTask* prev) { _prev = prev; } |
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bool is_free() const { return _is_free; } |
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void set_is_free(bool val) { _is_free = val; } |
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// RedefineClasses support |
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void metadata_do(void f(Metadata*)); |
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void mark_on_stack(); |
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private: |
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static void print_impl(outputStream* st, Method* method, int compile_id, int comp_level, |
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bool is_osr_method = false, int osr_bci = -1, bool is_blocking = false, |
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const char* msg = NULL, bool short_form = false, bool cr = true); |
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|
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public: |
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void print(outputStream* st = tty, const char* msg = NULL, bool short_form = false, bool cr = true); |
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static void print(outputStream* st, const nmethod* nm, const char* msg = NULL, bool short_form = false, bool cr = true) { |
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print_impl(st, nm->method(), nm->compile_id(), nm->comp_level(), |
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nm->is_osr_method(), nm->is_osr_method() ? nm->osr_entry_bci() : -1, /*is_blocking*/ false, |
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msg, short_form, cr); |
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} |
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static void print_inline_indent(int inline_level, outputStream* st = tty); |
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void print_tty(); |
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void print_line_on_error(outputStream* st, char* buf, int buflen); |
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void log_task(xmlStream* log); |
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void log_task_queued(); |
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void log_task_dequeued(const char* comment); |
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void log_task_start(CompileLog* log); |
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void log_task_done(CompileLog* log); |
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void set_failure_reason(const char* reason) { |
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_failure_reason = reason; |
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} |
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bool check_break_at_flags(); |
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static void print_inlining_inner(outputStream* st, ciMethod* method, int inline_level, int bci, const char* msg = NULL); |
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static void print_inlining_tty(ciMethod* method, int inline_level, int bci, const char* msg = NULL) { |
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print_inlining_inner(tty, method, inline_level, bci, msg); |
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} |
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}; |
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#endif // SHARE_VM_COMPILER_COMPILETASK_HPP |