Mercurial > hg > truffle
view src/share/vm/c1/c1_Compilation.hpp @ 20259:4af19b914f53
8035393: Use CLDClosure instead of CLDToOopClosure in frame::oops_interpreted_do
Reviewed-by: tschatzl, coleenp
author | stefank |
---|---|
date | Fri, 21 Feb 2014 10:01:20 +0100 |
parents | 0bf37f737702 |
children | 52b4284cb496 |
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/* * Copyright (c) 1999, 2013, 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_C1_C1_COMPILATION_HPP #define SHARE_VM_C1_C1_COMPILATION_HPP #include "ci/ciEnv.hpp" #include "ci/ciMethodData.hpp" #include "code/exceptionHandlerTable.hpp" #include "memory/resourceArea.hpp" #include "runtime/deoptimization.hpp" class CompilationResourceObj; class XHandlers; class ExceptionInfo; class DebugInformationRecorder; class FrameMap; class IR; class IRScope; class Instruction; class LinearScan; class OopMap; class LIR_Emitter; class LIR_Assembler; class CodeEmitInfo; class ciEnv; class ciMethod; class ValueStack; class LIR_OprDesc; class C1_MacroAssembler; class CFGPrinter; typedef LIR_OprDesc* LIR_Opr; define_array(BasicTypeArray, BasicType) define_stack(BasicTypeList, BasicTypeArray) define_array(ExceptionInfoArray, ExceptionInfo*) define_stack(ExceptionInfoList, ExceptionInfoArray) class Compilation: public StackObj { friend class CompilationResourceObj; private: // compilation specifics Arena* _arena; int _next_id; int _next_block_id; AbstractCompiler* _compiler; ciEnv* _env; CompileLog* _log; ciMethod* _method; int _osr_bci; IR* _hir; int _max_spills; FrameMap* _frame_map; C1_MacroAssembler* _masm; bool _has_exception_handlers; bool _has_fpu_code; bool _has_unsafe_access; bool _would_profile; bool _has_method_handle_invokes; // True if this method has MethodHandle invokes. const char* _bailout_msg; ExceptionInfoList* _exception_info_list; ExceptionHandlerTable _exception_handler_table; ImplicitExceptionTable _implicit_exception_table; LinearScan* _allocator; CodeOffsets _offsets; CodeBuffer _code; bool _has_access_indexed; int _interpreter_frame_size; // Stack space needed in case of a deoptimization // compilation helpers void initialize(); void build_hir(); void emit_lir(); void emit_code_epilog(LIR_Assembler* assembler); int emit_code_body(); int compile_java_method(); void install_code(int frame_size); void compile_method(); void generate_exception_handler_table(); ExceptionInfoList* exception_info_list() const { return _exception_info_list; } ExceptionHandlerTable* exception_handler_table() { return &_exception_handler_table; } LinearScan* allocator() { return _allocator; } void set_allocator(LinearScan* allocator) { _allocator = allocator; } Instruction* _current_instruction; // the instruction currently being processed #ifndef PRODUCT Instruction* _last_instruction_printed; // the last instruction printed during traversal #endif // PRODUCT public: // creation Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, int osr_bci, BufferBlob* buffer_blob); ~Compilation(); static Compilation* current() { return (Compilation*) ciEnv::current()->compiler_data(); } // accessors ciEnv* env() const { return _env; } CompileLog* log() const { return _log; } AbstractCompiler* compiler() const { return _compiler; } bool has_exception_handlers() const { return _has_exception_handlers; } bool has_fpu_code() const { return _has_fpu_code; } bool has_unsafe_access() const { return _has_unsafe_access; } int max_vector_size() const { return 0; } ciMethod* method() const { return _method; } int osr_bci() const { return _osr_bci; } bool is_osr_compile() const { return osr_bci() >= 0; } IR* hir() const { return _hir; } int max_spills() const { return _max_spills; } FrameMap* frame_map() const { return _frame_map; } CodeBuffer* code() { return &_code; } C1_MacroAssembler* masm() const { return _masm; } CodeOffsets* offsets() { return &_offsets; } Arena* arena() { return _arena; } bool has_access_indexed() { return _has_access_indexed; } // Instruction ids int get_next_id() { return _next_id++; } int number_of_instructions() const { return _next_id; } // BlockBegin ids int get_next_block_id() { return _next_block_id++; } int number_of_blocks() const { return _next_block_id; } // setters void set_has_exception_handlers(bool f) { _has_exception_handlers = f; } void set_has_fpu_code(bool f) { _has_fpu_code = f; } void set_has_unsafe_access(bool f) { _has_unsafe_access = f; } void set_would_profile(bool f) { _would_profile = f; } void set_has_access_indexed(bool f) { _has_access_indexed = f; } // Add a set of exception handlers covering the given PC offset void add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers); // Statistics gathering void notice_inlined_method(ciMethod* method); // JSR 292 bool has_method_handle_invokes() const { return _has_method_handle_invokes; } void set_has_method_handle_invokes(bool z) { _has_method_handle_invokes = z; } DebugInformationRecorder* debug_info_recorder() const; // = _env->debug_info(); Dependencies* dependency_recorder() const; // = _env->dependencies() ImplicitExceptionTable* implicit_exception_table() { return &_implicit_exception_table; } Instruction* current_instruction() const { return _current_instruction; } Instruction* set_current_instruction(Instruction* instr) { Instruction* previous = _current_instruction; _current_instruction = instr; return previous; } #ifndef PRODUCT void maybe_print_current_instruction(); #endif // PRODUCT // error handling void bailout(const char* msg); bool bailed_out() const { return _bailout_msg != NULL; } const char* bailout_msg() const { return _bailout_msg; } static int desired_max_code_buffer_size() { #ifndef PPC return (int) NMethodSizeLimit; // default 256K or 512K #else // conditional branches on PPC are restricted to 16 bit signed return MIN2((unsigned int)NMethodSizeLimit,32*K); #endif } static int desired_max_constant_size() { return desired_max_code_buffer_size() / 10; } static bool setup_code_buffer(CodeBuffer* cb, int call_stub_estimate); // timers static void print_timers(); #ifndef PRODUCT // debugging support. // produces a file named c1compileonly in the current directory with // directives to compile only the current method and it's inlines. // The file can be passed to the command line option -XX:Flags=<filename> void compile_only_this_method(); void compile_only_this_scope(outputStream* st, IRScope* scope); void exclude_this_method(); #endif // PRODUCT bool is_profiling() { return env()->comp_level() == CompLevel_full_profile || env()->comp_level() == CompLevel_limited_profile; } bool count_invocations() { return is_profiling(); } bool count_backedges() { return is_profiling(); } // Helpers for generation of profile information bool profile_branches() { return env()->comp_level() == CompLevel_full_profile && C1UpdateMethodData && C1ProfileBranches; } bool profile_calls() { return env()->comp_level() == CompLevel_full_profile && C1UpdateMethodData && C1ProfileCalls; } bool profile_inlined_calls() { return profile_calls() && C1ProfileInlinedCalls; } bool profile_checkcasts() { return env()->comp_level() == CompLevel_full_profile && C1UpdateMethodData && C1ProfileCheckcasts; } bool profile_parameters() { return env()->comp_level() == CompLevel_full_profile && C1UpdateMethodData && MethodData::profile_parameters(); } bool profile_arguments() { return env()->comp_level() == CompLevel_full_profile && C1UpdateMethodData && MethodData::profile_arguments(); } bool profile_return() { return env()->comp_level() == CompLevel_full_profile && C1UpdateMethodData && MethodData::profile_return(); } // will compilation make optimistic assumptions that might lead to // deoptimization and that the runtime will account for? bool is_optimistic() const { return !TieredCompilation && (RangeCheckElimination || UseLoopInvariantCodeMotion) && method()->method_data()->trap_count(Deoptimization::Reason_none) == 0; } ciKlass* cha_exact_type(ciType* type); // Dump inlining replay data to the stream. void dump_inline_data(outputStream* out) { /* do nothing now */ } // How much stack space would the interpreter need in case of a // deoptimization (worst case) void update_interpreter_frame_size(int size) { if (_interpreter_frame_size < size) { _interpreter_frame_size = size; } } int interpreter_frame_size() const { return _interpreter_frame_size; } }; // Macro definitions for unified bailout-support // The methods bailout() and bailed_out() are present in all classes // that might bailout, but forward all calls to Compilation #define BAILOUT(msg) { bailout(msg); return; } #define BAILOUT_(msg, res) { bailout(msg); return res; } #define CHECK_BAILOUT() { if (bailed_out()) return; } #define CHECK_BAILOUT_(res) { if (bailed_out()) return res; } class InstructionMark: public StackObj { private: Compilation* _compilation; Instruction* _previous; public: InstructionMark(Compilation* compilation, Instruction* instr) { _compilation = compilation; _previous = _compilation->set_current_instruction(instr); } ~InstructionMark() { _compilation->set_current_instruction(_previous); } }; //---------------------------------------------------------------------- // Base class for objects allocated by the compiler in the compilation arena class CompilationResourceObj ALLOCATION_SUPER_CLASS_SPEC { public: void* operator new(size_t size) throw() { return Compilation::current()->arena()->Amalloc(size); } void* operator new(size_t size, Arena* arena) throw() { return arena->Amalloc(size); } void operator delete(void* p) {} // nothing to do }; //---------------------------------------------------------------------- // Class for aggregating exception handler information. // Effectively extends XHandlers class with PC offset of // potentially exception-throwing instruction. // This class is used at the end of the compilation to build the // ExceptionHandlerTable. class ExceptionInfo: public CompilationResourceObj { private: int _pco; // PC of potentially exception-throwing instruction XHandlers* _exception_handlers; // flat list of exception handlers covering this PC public: ExceptionInfo(int pco, XHandlers* exception_handlers) : _pco(pco) , _exception_handlers(exception_handlers) { } int pco() { return _pco; } XHandlers* exception_handlers() { return _exception_handlers; } }; #endif // SHARE_VM_C1_C1_COMPILATION_HPP