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made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
author Doug Simon <doug.simon@oracle.com>
date Fri, 23 May 2014 19:36:34 +0200
parents b7fb36e57da8
children 6aa352b260f4
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87e4aed94b26 Remove HotSpotCompiler interface, let HotSpotCompilerImpl implement GraalRuntime (in preparation of renaming).
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 #ifndef SHARE_VM_GRAAL_GRAAL_RUNTIME_HPP
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25 #define SHARE_VM_GRAAL_GRAAL_RUNTIME_HPP
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26
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27 #include "interpreter/interpreter.hpp"
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28 #include "memory/allocation.hpp"
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29 #include "runtime/deoptimization.hpp"
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30
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31 class GraalRuntime: public CHeapObj<mtCompiler> {
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32 private:
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33
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34 static address _external_deopt_i2c_entry;
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35
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36 /**
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37 * Reads the OptionValue object from a specified static field.
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38 *
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39 * @throws LinkageError if the field could not be resolved
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40 */
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41 static Handle get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS);
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42
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43 /**
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44 * Parses the string form of a numeric, float or double option into a jlong (using raw bits for floats/doubles).
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45 *
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46 * @param spec 'i', 'f' or 'd' (see HotSpotOptions.setOption())
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47 * @param name name option option
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48 * @param value string value to parse
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49 * @throws InternalError if value could not be parsed according to spec
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50 */
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51 static jlong parse_primitive_option_value(char spec, Handle name, const char* value, TRAPS);
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52
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53 /**
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54 * Loads default option value overrides from a <jre_home>/lib/graal.options if it exists. Each
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55 * line in this file must have the format of a Graal command line option without the
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56 * leading "-G:" prefix. These option values are set prior to processing of any Graal
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57 * options present on the command line.
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58 */
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59 static void parse_graal_options_file(KlassHandle hotSpotOptionsClass, TRAPS);
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60
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61 /**
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62 * Parses a given argument and sets the denoted Graal option.
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63 *
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64 * @throws InternalError if there was a problem parsing or setting the option
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65 */
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66 static void parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS);
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67
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68 /**
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69 * Searches for a Graal option denoted by a given name and sets it value.
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70 *
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71 * @returns true if the option was found
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72 * @throws InternalError if there was a problem setting the option's value
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73 */
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74 static bool set_option(KlassHandle hotSpotOptionsClass, const char* name, int name_len, Handle name_handle, const char* value, TRAPS);
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75
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76 public:
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77
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78 static void initialize_natives(JNIEnv *env, jclass c2vmClass);
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79 static BufferBlob* initialize_buffer_blob();
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80
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81 static bool parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS);
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82
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83 static BasicType kindToBasicType(jchar ch);
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84 static address create_external_deopt_i2c();
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85 static address get_external_deopt_i2c_entry() {return _external_deopt_i2c_entry;}
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86
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87 // The following routines are all called from compiled Graal code
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88
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89 static void new_instance(JavaThread* thread, Klass* klass);
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90 static void new_array(JavaThread* thread, Klass* klass, jint length);
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91 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
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92 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length);
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93 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror);
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94 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted);
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95 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3);
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96 static jint identity_hash_code(JavaThread* thread, oopDesc* obj);
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97 static address exception_handler_for_pc(JavaThread* thread);
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98 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
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99 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
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100 static void create_null_exception(JavaThread* thread);
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101 static void create_out_of_bounds_exception(JavaThread* thread, jint index);
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102 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value);
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103 static oopDesc* load_and_clear_exception(JavaThread* thread);
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104 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3);
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105 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
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106 // Note: Must be kept in sync with constants in com.oracle.graal.replacements.Log
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107 enum {
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108 LOG_OBJECT_NEWLINE = 0x01,
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109 LOG_OBJECT_STRING = 0x02,
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110 LOG_OBJECT_ADDRESS = 0x04
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111 };
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112 static void log_object(JavaThread* thread, oopDesc* msg, jint flags);
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113 static void write_barrier_pre(JavaThread* thread, oopDesc* obj);
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114 static void write_barrier_post(JavaThread* thread, void* card);
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115 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);
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116 static void new_store_pre_barrier(JavaThread* thread);
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117 };
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118
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119 // Tracing macros
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120
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121 #define IF_TRACE_graal_1 if (!(TraceGraal >= 1)) ; else
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122 #define IF_TRACE_graal_2 if (!(TraceGraal >= 2)) ; else
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123 #define IF_TRACE_graal_3 if (!(TraceGraal >= 3)) ; else
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124 #define IF_TRACE_graal_4 if (!(TraceGraal >= 4)) ; else
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125 #define IF_TRACE_graal_5 if (!(TraceGraal >= 5)) ; else
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126
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127 // using commas and else to keep one-instruction semantics
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128
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129 #define TRACE_graal_1 if (!(TraceGraal >= 1 && (tty->print("TraceGraal-1: "), true))) ; else tty->print_cr
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130 #define TRACE_graal_2 if (!(TraceGraal >= 2 && (tty->print(" TraceGraal-2: "), true))) ; else tty->print_cr
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131 #define TRACE_graal_3 if (!(TraceGraal >= 3 && (tty->print(" TraceGraal-3: "), true))) ; else tty->print_cr
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132 #define TRACE_graal_4 if (!(TraceGraal >= 4 && (tty->print(" TraceGraal-4: "), true))) ; else tty->print_cr
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133 #define TRACE_graal_5 if (!(TraceGraal >= 5 && (tty->print(" TraceGraal-5: "), true))) ; else tty->print_cr
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134
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135 #endif // SHARE_VM_GRAAL_GRAAL_RUNTIME_HPP