Mercurial > hg > truffle
annotate src/share/vm/c1/c1_Compilation.hpp @ 1476:1f81c0d18c75
Build also release version of VM. Fix towards making SpecJVM2008 run.
| author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
|---|---|
| date | Fri, 26 Nov 2010 12:12:35 +0100 |
| parents | b4776199210f |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright 1999-2010 Sun Microsystems, Inc. All Rights Reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 class BlockBegin; | |
| 26 class CompilationResourceObj; | |
| 27 class XHandlers; | |
| 28 class ExceptionInfo; | |
| 29 class DebugInformationRecorder; | |
| 30 class FrameMap; | |
| 31 class IR; | |
| 32 class IRScope; | |
| 33 class Instruction; | |
| 34 class LinearScan; | |
| 35 class OopMap; | |
| 36 class LIR_Emitter; | |
| 37 class LIR_Assembler; | |
| 38 class CodeEmitInfo; | |
| 39 class ciEnv; | |
| 40 class ciMethod; | |
| 41 class ValueStack; | |
| 42 class LIR_OprDesc; | |
| 43 class C1_MacroAssembler; | |
| 44 class CFGPrinter; | |
| 45 typedef LIR_OprDesc* LIR_Opr; | |
| 46 | |
| 47 | |
| 48 define_array(BasicTypeArray, BasicType) | |
| 49 define_stack(BasicTypeList, BasicTypeArray) | |
| 50 | |
| 51 define_array(ExceptionInfoArray, ExceptionInfo*) | |
| 52 define_stack(ExceptionInfoList, ExceptionInfoArray) | |
| 53 | |
| 54 class Compilation: public StackObj { | |
| 55 friend class CompilationResourceObj; | |
| 56 private: | |
| 57 | |
| 58 static Arena* _arena; | |
| 59 static Arena* arena() { return _arena; } | |
| 60 | |
| 61 static Compilation* _compilation; | |
| 62 | |
| 63 private: | |
| 64 // compilation specifics | |
| 65 AbstractCompiler* _compiler; | |
| 66 ciEnv* _env; | |
| 67 ciMethod* _method; | |
| 68 int _osr_bci; | |
| 69 IR* _hir; | |
| 70 int _max_spills; | |
| 71 FrameMap* _frame_map; | |
| 72 C1_MacroAssembler* _masm; | |
| 73 bool _has_exception_handlers; | |
| 74 bool _has_fpu_code; | |
| 75 bool _has_unsafe_access; | |
| 76 const char* _bailout_msg; | |
| 77 ExceptionInfoList* _exception_info_list; | |
| 78 ExceptionHandlerTable _exception_handler_table; | |
| 79 ImplicitExceptionTable _implicit_exception_table; | |
| 80 LinearScan* _allocator; | |
| 81 CodeOffsets _offsets; | |
| 82 CodeBuffer _code; | |
| 83 | |
| 84 // compilation helpers | |
| 85 void initialize(); | |
| 86 void build_hir(); | |
| 87 void emit_lir(); | |
| 88 | |
| 89 void emit_code_epilog(LIR_Assembler* assembler); | |
| 90 int emit_code_body(); | |
| 91 | |
| 92 int compile_java_method(); | |
| 93 void install_code(int frame_size); | |
| 94 void compile_method(); | |
| 95 | |
| 96 void generate_exception_handler_table(); | |
| 97 | |
| 98 ExceptionInfoList* exception_info_list() const { return _exception_info_list; } | |
| 99 ExceptionHandlerTable* exception_handler_table() { return &_exception_handler_table; } | |
| 100 | |
| 101 LinearScan* allocator() { return _allocator; } | |
| 102 void set_allocator(LinearScan* allocator) { _allocator = allocator; } | |
| 103 | |
| 104 Instruction* _current_instruction; // the instruction currently being processed | |
| 105 #ifndef PRODUCT | |
| 106 Instruction* _last_instruction_printed; // the last instruction printed during traversal | |
| 107 #endif // PRODUCT | |
| 108 | |
| 109 public: | |
| 110 // creation | |
| 111 Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, int osr_bci); | |
| 112 ~Compilation(); | |
| 113 | |
| 114 static Compilation* current_compilation() { return _compilation; } | |
| 115 | |
| 116 // accessors | |
| 117 ciEnv* env() const { return _env; } | |
| 118 AbstractCompiler* compiler() const { return _compiler; } | |
| 119 bool has_exception_handlers() const { return _has_exception_handlers; } | |
| 120 bool has_fpu_code() const { return _has_fpu_code; } | |
| 121 bool has_unsafe_access() const { return _has_unsafe_access; } | |
| 122 ciMethod* method() const { return _method; } | |
| 123 int osr_bci() const { return _osr_bci; } | |
| 124 bool is_osr_compile() const { return osr_bci() >= 0; } | |
| 125 IR* hir() const { return _hir; } | |
| 126 int max_spills() const { return _max_spills; } | |
| 127 FrameMap* frame_map() const { return _frame_map; } | |
| 128 CodeBuffer* code() { return &_code; } | |
| 129 C1_MacroAssembler* masm() const { return _masm; } | |
| 130 CodeOffsets* offsets() { return &_offsets; } | |
| 131 | |
| 132 // setters | |
| 133 void set_has_exception_handlers(bool f) { _has_exception_handlers = f; } | |
| 134 void set_has_fpu_code(bool f) { _has_fpu_code = f; } | |
| 135 void set_has_unsafe_access(bool f) { _has_unsafe_access = f; } | |
| 136 // Add a set of exception handlers covering the given PC offset | |
| 137 void add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers); | |
| 138 // Statistics gathering | |
| 139 void notice_inlined_method(ciMethod* method); | |
| 140 | |
| 141 DebugInformationRecorder* debug_info_recorder() const; // = _env->debug_info(); | |
| 142 Dependencies* dependency_recorder() const; // = _env->dependencies() | |
| 143 ImplicitExceptionTable* implicit_exception_table() { return &_implicit_exception_table; } | |
| 144 | |
| 145 Instruction* current_instruction() const { return _current_instruction; } | |
| 146 Instruction* set_current_instruction(Instruction* instr) { | |
| 147 Instruction* previous = _current_instruction; | |
| 148 _current_instruction = instr; | |
| 149 return previous; | |
| 150 } | |
| 151 | |
| 152 #ifndef PRODUCT | |
| 153 void maybe_print_current_instruction(); | |
| 154 #endif // PRODUCT | |
| 155 | |
| 156 // error handling | |
| 157 void bailout(const char* msg); | |
| 158 bool bailed_out() const { return _bailout_msg != NULL; } | |
| 159 const char* bailout_msg() const { return _bailout_msg; } | |
| 160 | |
| 161 // timers | |
| 162 static void print_timers(); | |
| 163 | |
| 164 #ifndef PRODUCT | |
| 165 // debugging support. | |
| 166 // produces a file named c1compileonly in the current directory with | |
| 167 // directives to compile only the current method and it's inlines. | |
| 168 // The file can be passed to the command line option -XX:Flags=<filename> | |
| 169 void compile_only_this_method(); | |
| 170 void compile_only_this_scope(outputStream* st, IRScope* scope); | |
| 171 void exclude_this_method(); | |
| 172 #endif // PRODUCT | |
| 173 }; | |
| 174 | |
| 175 | |
| 176 // Macro definitions for unified bailout-support | |
| 177 // The methods bailout() and bailed_out() are present in all classes | |
| 178 // that might bailout, but forward all calls to Compilation | |
| 179 #define BAILOUT(msg) { bailout(msg); return; } | |
| 180 #define BAILOUT_(msg, res) { bailout(msg); return res; } | |
| 181 | |
| 182 #define CHECK_BAILOUT() { if (bailed_out()) return; } | |
| 183 #define CHECK_BAILOUT_(res) { if (bailed_out()) return res; } | |
| 184 | |
| 185 | |
| 186 class InstructionMark: public StackObj { | |
| 187 private: | |
| 188 Compilation* _compilation; | |
| 189 Instruction* _previous; | |
| 190 | |
| 191 public: | |
| 192 InstructionMark(Compilation* compilation, Instruction* instr) { | |
| 193 _compilation = compilation; | |
| 194 _previous = _compilation->set_current_instruction(instr); | |
| 195 } | |
| 196 ~InstructionMark() { | |
| 197 _compilation->set_current_instruction(_previous); | |
| 198 } | |
| 199 }; | |
| 200 | |
| 201 | |
| 202 //---------------------------------------------------------------------- | |
| 203 // Base class for objects allocated by the compiler in the compilation arena | |
| 204 class CompilationResourceObj ALLOCATION_SUPER_CLASS_SPEC { | |
| 205 public: | |
| 206 void* operator new(size_t size) { return Compilation::arena()->Amalloc(size); } | |
| 207 void operator delete(void* p) {} // nothing to do | |
| 208 }; | |
| 209 | |
| 210 | |
| 211 //---------------------------------------------------------------------- | |
| 212 // Class for aggregating exception handler information. | |
| 213 | |
| 214 // Effectively extends XHandlers class with PC offset of | |
| 215 // potentially exception-throwing instruction. | |
| 216 // This class is used at the end of the compilation to build the | |
| 217 // ExceptionHandlerTable. | |
| 218 class ExceptionInfo: public CompilationResourceObj { | |
| 219 private: | |
| 220 int _pco; // PC of potentially exception-throwing instruction | |
| 221 XHandlers* _exception_handlers; // flat list of exception handlers covering this PC | |
| 222 | |
| 223 public: | |
| 224 ExceptionInfo(int pco, XHandlers* exception_handlers) | |
| 225 : _pco(pco) | |
| 226 , _exception_handlers(exception_handlers) | |
| 227 { } | |
| 228 | |
| 229 int pco() { return _pco; } | |
| 230 XHandlers* exception_handlers() { return _exception_handlers; } | |
| 231 }; |