1 /*
2 * Copyright (c) 1998, 2025, 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(DelayInline, "delayinline", Bool) \
55 option(DontInline, "dontinline", Bool) \
56 option(Blackhole, "blackhole", Bool) \
57 option(CompileOnly, "compileonly", Bool)\
58 option(Exclude, "exclude", Bool) \
59 option(Break, "break", Bool) \
60 option(BreakAtExecute, "BreakAtExecute", Bool) \
61 option(BreakAtCompile, "BreakAtCompile", Bool) \
62 option(MemLimit, "MemLimit", Intx) \
63 option(MemStat, "MemStat", Uintx) \
64 option(PrintAssembly, "PrintAssembly", Bool) \
65 option(PrintCompilation, "PrintCompilation", Bool) \
66 option(PrintInlining, "PrintInlining", Bool) \
67 option(PrintIntrinsics, "PrintIntrinsics", Bool) \
68 option(PrintNMethods, "PrintNMethods", Bool) \
69 option(PrintOptoAssembly, "PrintOptoAssembly", Bool) \
70 option(PrintDebugInfo, "PrintDebugInfo", Bool) \
71 option(PrintRelocations, "PrintRelocations", Bool) \
72 option(PrintDependencies, "PrintDependencies", Bool) \
73 option(BackgroundCompilation, "BackgroundCompilation", Bool) \
74 option(RepeatCompilation, "RepeatCompilation", Intx) \
75 option(ReplayInline, "ReplayInline", Bool) \
76 option(DumpReplay, "DumpReplay", Bool) \
77 option(DumpInline, "DumpInline", Bool) \
78 option(CompileThresholdScaling, "CompileThresholdScaling", Double) \
79 option(ControlIntrinsic, "ControlIntrinsic", Ccstrlist) \
80 option(DisableIntrinsic, "DisableIntrinsic", Ccstrlist) \
81 option(BlockLayoutByFrequency, "BlockLayoutByFrequency", Bool) \
82 option(TraceOptoPipelining, "TraceOptoPipelining", Bool) \
83 option(TraceOptoOutput, "TraceOptoOutput", Bool) \
84 option(TraceSpilling, "TraceSpilling", Bool) \
85 NOT_PRODUCT(option(TraceEscapeAnalysis, "TraceEscapeAnalysis", Bool)) \
86 NOT_PRODUCT(option(PrintIdeal, "PrintIdeal", Bool)) \
87 NOT_PRODUCT(option(PrintIdealPhase, "PrintIdealPhase", Ccstrlist)) \
88 NOT_PRODUCT(option(PhasePrintLevel, "PhasePrintLevel", Intx)) \
89 NOT_PRODUCT(option(IGVPrintLevel, "IGVPrintLevel", Intx)) \
90 NOT_PRODUCT(option(TraceAutoVectorization, "TraceAutoVectorization", Ccstrlist)) \
91 NOT_PRODUCT(option(TraceMergeStores, "TraceMergeStores", Ccstrlist)) \
92 option(Vectorize, "Vectorize", Bool) \
93 option(CloneMapDebug, "CloneMapDebug", Bool) \
94 option(IncrementalInlineForceCleanup, "IncrementalInlineForceCleanup", Bool) \
95 option(MaxNodeLimit, "MaxNodeLimit", Intx) \
96 NOT_PRODUCT(option(TestOptionInt, "TestOptionInt", Intx)) \
97 NOT_PRODUCT(option(TestOptionUint, "TestOptionUint", Uintx)) \
98 NOT_PRODUCT(option(TestOptionBool, "TestOptionBool", Bool)) \
99 NOT_PRODUCT(option(TestOptionBool2, "TestOptionBool2", Bool)) \
100 NOT_PRODUCT(option(TestOptionStr, "TestOptionStr", Ccstr)) \
101 NOT_PRODUCT(option(TestOptionList, "TestOptionList", Ccstrlist)) \
102 NOT_PRODUCT(option(TestOptionDouble, "TestOptionDouble", Double)) \
103 option(Option, "option", Unknown) \
104 option(Unknown, "unknown", Unknown)
105
106 enum class CompileCommandEnum : int {
107 #define enum_of_options(option, name, ctype) option,
108 COMPILECOMMAND_OPTIONS(enum_of_options)
109 #undef enum_of_options
110 Count
111 };
112
113 enum class OptionType {
114 #define enum_of_types(type, name) type,
115 OPTION_TYPES(enum_of_types)
116 #undef enum_of_types
117 Unknown
118 };
119
120 enum class MemStatAction {
121 collect = 1, print = 2
122 };
123
124 class CompilerOracle : AllStatic {
125 public:
126 typedef bool parse_from_line_fn_t(char*);
127
128 private:
129 static bool _quiet;
130 static void print_parse_error(char* error_msg, char* original_line);
131 static void print_command(CompileCommandEnum option, const char* name, enum OptionType type);
132
133 // The core parser.
134 static bool parse_from_input(inputStream::Input* input,
135 parse_from_line_fn_t* parse_from_line);
136
137 public:
138 // True if the command file has been specified or is implicit
139 static bool has_command_file();
140
141 // Reads from file and adds to lists
142 static bool parse_from_file();
143
144 // Tells whether we to exclude compilation of method
145 static bool should_exclude(const methodHandle& method);
146 static bool be_quiet() { return _quiet; }
147
148 // Tells whether we want to inline this method
149 static bool should_inline(const methodHandle& method);
150
151 // Tells whether we want to disallow inlining of this method
152 static bool should_not_inline(const methodHandle& method);
153
154 // Tells whether we want to delay inlining of this method
155 static bool should_delay_inline(const methodHandle& method);
156
157 // Tells whether this method changes Thread.currentThread()
158 static bool changes_current_thread(const methodHandle& method);
159
160 // Tells whether we should print the assembly for this method
161 static bool should_print(const methodHandle& method);
162
163 // Tells whether we should log the compilation data for this method
164 static bool should_log(const methodHandle& method);
165
166 // Tells whether to break when compiling method
167 static bool should_break_at(const methodHandle& method);
168
169 // Tells whether there are any methods to print for print_method_statistics()
170 static bool should_print_methods();
171
172 // Tells whether there are any methods to (collect|collect+print) memory statistics for
173 static bool should_collect_memstat();
174
175 // Tags the method as blackhole candidate, if possible.
176 static void tag_blackhole_if_possible(const methodHandle& method);
177
178 // A wrapper for checking bool options
179 static bool has_option(const methodHandle& method, CompileCommandEnum option);
180
181 // Check if method has option and value set. If yes, overwrite value and return true,
182 // otherwise leave value unchanged and return false.
183 template<typename T>
184 static bool has_option_value(const methodHandle& method, CompileCommandEnum option, T& value);
185
186 // This check is currently only needed by whitebox API
187 template<typename T>
188 static bool option_matches_type(CompileCommandEnum option, T& value);
189
190 // Reads from string instead of file
191 static bool parse_from_string(const char* option_string,
192 parse_from_line_fn_t* parser);
193 static bool parse_from_line(char* line);
194 static bool parse_from_line_quietly(char* line);
195 static bool parse_compile_only(char* line);
196
197 // Fast check if there is any option set that compile control needs to know about
198 static bool has_any_command_set();
199
200 // convert a string to a proper compilecommand option - used from whitebox.
201 // returns CompileCommandEnum::Unknown on names not matching an option.
202 static CompileCommandEnum string_to_option(const char* name);
203
204 // convert a string to a proper compilecommand option
205 // returns CompileCommandEnum::Unknown if name is not an option.
206 static CompileCommandEnum parse_option_name(const char* name);
207
208 // convert a string to a proper option type
209 // returns OptionType::Unknown on strings not matching an option type.
210 static enum OptionType parse_option_type(const char* type_str);
211 };
212
213 #endif // SHARE_COMPILER_COMPILERORACLE_HPP