1 /*
2 * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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23 */
24
25 #ifndef SHARE_COMPILER_COMPILERORACLE_HPP
26 #define SHARE_COMPILER_COMPILERORACLE_HPP
27
28 #include "memory/allStatic.hpp"
29 #include "oops/oopsHierarchy.hpp"
30 #include "utilities/istream.hpp"
31
32 class methodHandle;
33
34
35 // CompilerOracle is an interface for turning on and off compilation
36 // for some methods
37
38 // OPTION_TYPES: type, name
39 #define OPTION_TYPES(type) \
40 type(Intx, "intx") \
41 type(Uintx, "uintx") \
42 type(Bool, "bool") \
43 type(Ccstr, "ccstr") \
44 type(Ccstrlist, "ccstrlist") \
45 type(Double, "double")
46
47 // COMPILECOMMAND_OPTIONS: option, name, variant, type
48 #define COMPILECOMMAND_OPTIONS(option) \
49 option(Help, "help", Unknown) \
50 option(Quiet, "quiet", Unknown) \
51 option(Log, "log", Bool) \
52 option(Print, "print", Bool) \
53 option(Inline, "inline", Bool) \
54 option(DontInline, "dontinline", Bool) \
55 option(Blackhole, "blackhole", Bool) \
56 option(CompileOnly, "compileonly", Bool)\
57 option(Exclude, "exclude", Bool) \
58 option(Break, "break", Bool) \
59 option(BreakAtExecute, "BreakAtExecute", Bool) \
60 option(BreakAtCompile, "BreakAtCompile", Bool) \
61 option(MemLimit, "MemLimit", Intx) \
62 option(MemStat, "MemStat", Uintx) \
63 option(PrintAssembly, "PrintAssembly", Bool) \
64 option(PrintCompilation, "PrintCompilation", Bool) \
65 option(PrintInlining, "PrintInlining", Bool) \
66 option(PrintIntrinsics, "PrintIntrinsics", Bool) \
67 option(PrintNMethods, "PrintNMethods", Bool) \
68 option(PrintOptoAssembly, "PrintOptoAssembly", Bool) \
69 option(PrintDebugInfo, "PrintDebugInfo", Bool) \
70 option(PrintRelocations, "PrintRelocations", Bool) \
71 option(PrintDependencies, "PrintDependencies", Bool) \
72 option(BackgroundCompilation, "BackgroundCompilation", Bool) \
73 option(RepeatCompilation, "RepeatCompilation", Intx) \
74 option(ReplayInline, "ReplayInline", Bool) \
75 option(DumpReplay, "DumpReplay", Bool) \
76 option(DumpInline, "DumpInline", Bool) \
77 option(CompileThresholdScaling, "CompileThresholdScaling", Double) \
78 option(ControlIntrinsic, "ControlIntrinsic", Ccstrlist) \
79 option(DisableIntrinsic, "DisableIntrinsic", Ccstrlist) \
80 option(BlockLayoutByFrequency, "BlockLayoutByFrequency", Bool) \
81 option(TraceOptoPipelining, "TraceOptoPipelining", Bool) \
82 option(TraceOptoOutput, "TraceOptoOutput", Bool) \
83 option(TraceSpilling, "TraceSpilling", Bool) \
84 NOT_PRODUCT(option(TraceEscapeAnalysis, "TraceEscapeAnalysis", Bool)) \
85 NOT_PRODUCT(option(PrintIdeal, "PrintIdeal", Bool)) \
86 NOT_PRODUCT(option(PrintIdealPhase, "PrintIdealPhase", Ccstrlist)) \
87 NOT_PRODUCT(option(IGVPrintLevel, "IGVPrintLevel", Intx)) \
88 NOT_PRODUCT(option(TraceAutoVectorization, "TraceAutoVectorization", Ccstrlist)) \
89 NOT_PRODUCT(option(TraceMergeStores, "TraceMergeStores", Ccstrlist)) \
90 option(Vectorize, "Vectorize", Bool) \
91 option(CloneMapDebug, "CloneMapDebug", Bool) \
92 option(IncrementalInlineForceCleanup, "IncrementalInlineForceCleanup", Bool) \
93 option(MaxNodeLimit, "MaxNodeLimit", Intx) \
94 option(PrecompileRecorded, "PrecompileRecorded", Uintx) \
95 option(DontPrecompile, "DontPrecompile", Bool) \
96 option(DontPreload, "DontPreload", Bool) \
97 option(IgnorePrecompiled, "IgnorePrecompiled", Bool) \
98 option(IgnoreRecordedProfile, "IgnoreRecordedProfile", Bool) \
99 option(TooManyTrapsAtBCI, "TooManyTrapsAtBCI", Ccstrlist) \
100 NOT_PRODUCT(option(TestOptionInt, "TestOptionInt", Intx)) \
101 NOT_PRODUCT(option(TestOptionUint, "TestOptionUint", Uintx)) \
102 NOT_PRODUCT(option(TestOptionBool, "TestOptionBool", Bool)) \
103 NOT_PRODUCT(option(TestOptionBool2, "TestOptionBool2", Bool)) \
104 NOT_PRODUCT(option(TestOptionStr, "TestOptionStr", Ccstr)) \
105 NOT_PRODUCT(option(TestOptionList, "TestOptionList", Ccstrlist)) \
106 NOT_PRODUCT(option(TestOptionDouble, "TestOptionDouble", Double)) \
107 option(Option, "option", Unknown) \
108 option(Unknown, "unknown", Unknown)
109
110 enum class CompileCommandEnum : int {
111 #define enum_of_options(option, name, ctype) option,
112 COMPILECOMMAND_OPTIONS(enum_of_options)
113 #undef enum_of_options
114 Count
115 };
116
117 enum class OptionType {
118 #define enum_of_types(type, name) type,
119 OPTION_TYPES(enum_of_types)
120 #undef enum_of_types
121 Unknown
122 };
123
124 enum class MemStatAction {
125 collect = 1, print = 2
126 };
127
128 class CompilerOracle : AllStatic {
129 public:
130 typedef bool parse_from_line_fn_t(char*);
131
132 private:
133 static bool _quiet;
134 static void print_parse_error(char* error_msg, char* original_line);
135 static void print_command(CompileCommandEnum option, const char* name, enum OptionType type);
136
137 // The core parser.
138 static bool parse_from_input(inputStream::Input* input,
139 parse_from_line_fn_t* parse_from_line);
140
141 public:
142 // True if the command file has been specified or is implicit
143 static bool has_command_file();
144
145 // Reads from file and adds to lists
146 static bool parse_from_file();
147
148 // Tells whether we to exclude compilation of method
149 static bool should_exclude(const methodHandle& method);
150 static bool be_quiet() { return _quiet; }
151
152 // Tells whether we want to inline this method
153 static bool should_inline(const methodHandle& method);
154
155 // Tells whether we want to disallow inlining of this method
156 static bool should_not_inline(const methodHandle& method);
157
158 // Tells whether this method changes Thread.currentThread()
159 static bool changes_current_thread(const methodHandle& method);
160
161 // Tells whether we should print the assembly for this method
162 static bool should_print(const methodHandle& method);
163
164 // Tells whether we should log the compilation data for this method
165 static bool should_log(const methodHandle& method);
166
167 // Tells whether to break when compiling method
168 static bool should_break_at(const methodHandle& method);
169
170 // Tells whether there are any methods to print for print_method_statistics()
171 static bool should_print_methods();
172
173 // Tells whether there are any methods to (collect|collect+print) memory statistics for
174 static bool should_collect_memstat();
175 static bool should_print_final_memstat_report();
176
177 // Tags the method as blackhole candidate, if possible.
178 static void tag_blackhole_if_possible(const methodHandle& method);
179
180 // A wrapper for checking bool options
181 static bool has_option(const methodHandle& method, CompileCommandEnum option);
182
183 // Check if method has option and value set. If yes, overwrite value and return true,
184 // otherwise leave value unchanged and return false.
185 template<typename T>
186 static bool has_option_value(const methodHandle& method, CompileCommandEnum option, T& value);
187
188 // This check is currently only needed by whitebox API
189 template<typename T>
190 static bool option_matches_type(CompileCommandEnum option, T& value);
191
192 // Reads from string instead of file
193 static bool parse_from_string(const char* option_string,
194 parse_from_line_fn_t* parser);
195 static bool parse_from_line(char* line);
196 static bool parse_from_line_quietly(char* line);
197 static bool parse_compile_only(char* line);
198
199 // Fast check if there is any option set that compile control needs to know about
200 static bool has_any_command_set();
201
202 // convert a string to a proper compilecommand option - used from whitebox.
203 // returns CompileCommandEnum::Unknown on names not matching an option.
204 static CompileCommandEnum string_to_option(const char* name);
205
206 // convert a string to a proper compilecommand option
207 // returns CompileCommandEnum::Unknown if name is not an option.
208 static CompileCommandEnum parse_option_name(const char* name);
209
210 // convert a string to a proper option type
211 // returns OptionType::Unknown on strings not matching an option type.
212 static enum OptionType parse_option_type(const char* type_str);
213 };
214
215 #endif // SHARE_COMPILER_COMPILERORACLE_HPP