1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "compiler_options.h"
18
19#include <fstream>
20
21namespace art {
22
23CompilerOptions::CompilerOptions()
24    : compiler_filter_(kDefaultCompilerFilter),
25      huge_method_threshold_(kDefaultHugeMethodThreshold),
26      large_method_threshold_(kDefaultLargeMethodThreshold),
27      small_method_threshold_(kDefaultSmallMethodThreshold),
28      tiny_method_threshold_(kDefaultTinyMethodThreshold),
29      num_dex_methods_threshold_(kDefaultNumDexMethodsThreshold),
30      inline_depth_limit_(kUnsetInlineDepthLimit),
31      inline_max_code_units_(kUnsetInlineMaxCodeUnits),
32      no_inline_from_(nullptr),
33      include_patch_information_(kDefaultIncludePatchInformation),
34      top_k_profile_threshold_(kDefaultTopKProfileThreshold),
35      debuggable_(false),
36      generate_debug_info_(kDefaultGenerateDebugInfo),
37      generate_mini_debug_info_(kDefaultGenerateMiniDebugInfo),
38      implicit_null_checks_(true),
39      implicit_so_checks_(true),
40      implicit_suspend_checks_(false),
41      compile_pic_(false),
42      verbose_methods_(nullptr),
43      abort_on_hard_verifier_failure_(false),
44      init_failure_output_(nullptr),
45      dump_cfg_file_name_(""),
46      dump_cfg_append_(false),
47      force_determinism_(false) {
48}
49
50CompilerOptions::~CompilerOptions() {
51  // The destructor looks empty but it destroys a PassManagerOptions object. We keep it here
52  // because we don't want to include the PassManagerOptions definition from the header file.
53}
54
55CompilerOptions::CompilerOptions(CompilerFilter::Filter compiler_filter,
56                                 size_t huge_method_threshold,
57                                 size_t large_method_threshold,
58                                 size_t small_method_threshold,
59                                 size_t tiny_method_threshold,
60                                 size_t num_dex_methods_threshold,
61                                 size_t inline_depth_limit,
62                                 size_t inline_max_code_units,
63                                 const std::vector<const DexFile*>* no_inline_from,
64                                 bool include_patch_information,
65                                 double top_k_profile_threshold,
66                                 bool debuggable,
67                                 bool generate_debug_info,
68                                 bool implicit_null_checks,
69                                 bool implicit_so_checks,
70                                 bool implicit_suspend_checks,
71                                 bool compile_pic,
72                                 const std::vector<std::string>* verbose_methods,
73                                 std::ostream* init_failure_output,
74                                 bool abort_on_hard_verifier_failure,
75                                 const std::string& dump_cfg_file_name,
76                                 bool dump_cfg_append,
77                                 bool force_determinism
78                                 ) :  // NOLINT(whitespace/parens)
79    compiler_filter_(compiler_filter),
80    huge_method_threshold_(huge_method_threshold),
81    large_method_threshold_(large_method_threshold),
82    small_method_threshold_(small_method_threshold),
83    tiny_method_threshold_(tiny_method_threshold),
84    num_dex_methods_threshold_(num_dex_methods_threshold),
85    inline_depth_limit_(inline_depth_limit),
86    inline_max_code_units_(inline_max_code_units),
87    no_inline_from_(no_inline_from),
88    include_patch_information_(include_patch_information),
89    top_k_profile_threshold_(top_k_profile_threshold),
90    debuggable_(debuggable),
91    generate_debug_info_(generate_debug_info),
92    generate_mini_debug_info_(kDefaultGenerateMiniDebugInfo),
93    implicit_null_checks_(implicit_null_checks),
94    implicit_so_checks_(implicit_so_checks),
95    implicit_suspend_checks_(implicit_suspend_checks),
96    compile_pic_(compile_pic),
97    verbose_methods_(verbose_methods),
98    abort_on_hard_verifier_failure_(abort_on_hard_verifier_failure),
99    init_failure_output_(init_failure_output),
100    dump_cfg_file_name_(dump_cfg_file_name),
101    dump_cfg_append_(dump_cfg_append),
102    force_determinism_(force_determinism) {
103}
104
105void CompilerOptions::ParseHugeMethodMax(const StringPiece& option, UsageFn Usage) {
106  ParseUintOption(option, "--huge-method-max", &huge_method_threshold_, Usage);
107}
108
109void CompilerOptions::ParseLargeMethodMax(const StringPiece& option, UsageFn Usage) {
110  ParseUintOption(option, "--large-method-max", &large_method_threshold_, Usage);
111}
112
113void CompilerOptions::ParseSmallMethodMax(const StringPiece& option, UsageFn Usage) {
114  ParseUintOption(option, "--small-method-max", &small_method_threshold_, Usage);
115}
116
117void CompilerOptions::ParseTinyMethodMax(const StringPiece& option, UsageFn Usage) {
118  ParseUintOption(option, "--tiny-method-max", &tiny_method_threshold_, Usage);
119}
120
121void CompilerOptions::ParseNumDexMethods(const StringPiece& option, UsageFn Usage) {
122  ParseUintOption(option, "--num-dex-methods", &num_dex_methods_threshold_, Usage);
123}
124
125void CompilerOptions::ParseInlineDepthLimit(const StringPiece& option, UsageFn Usage) {
126  ParseUintOption(option, "--inline-depth-limit", &inline_depth_limit_, Usage);
127}
128
129void CompilerOptions::ParseInlineMaxCodeUnits(const StringPiece& option, UsageFn Usage) {
130  ParseUintOption(option, "--inline-max-code-units", &inline_max_code_units_, Usage);
131}
132
133void CompilerOptions::ParseDumpInitFailures(const StringPiece& option,
134                                            UsageFn Usage ATTRIBUTE_UNUSED) {
135  DCHECK(option.starts_with("--dump-init-failures="));
136  std::string file_name = option.substr(strlen("--dump-init-failures=")).data();
137  init_failure_output_.reset(new std::ofstream(file_name));
138  if (init_failure_output_.get() == nullptr) {
139    LOG(ERROR) << "Failed to allocate ofstream";
140  } else if (init_failure_output_->fail()) {
141    LOG(ERROR) << "Failed to open " << file_name << " for writing the initialization "
142               << "failures.";
143    init_failure_output_.reset();
144  }
145}
146
147bool CompilerOptions::ParseCompilerOption(const StringPiece& option, UsageFn Usage) {
148  if (option.starts_with("--compiler-filter=")) {
149    const char* compiler_filter_string = option.substr(strlen("--compiler-filter=")).data();
150    if (!CompilerFilter::ParseCompilerFilter(compiler_filter_string, &compiler_filter_)) {
151      Usage("Unknown --compiler-filter value %s", compiler_filter_string);
152    }
153  } else if (option == "--compile-pic") {
154    compile_pic_ = true;
155  } else if (option.starts_with("--huge-method-max=")) {
156    ParseHugeMethodMax(option, Usage);
157  } else if (option.starts_with("--large-method-max=")) {
158    ParseLargeMethodMax(option, Usage);
159  } else if (option.starts_with("--small-method-max=")) {
160    ParseSmallMethodMax(option, Usage);
161  } else if (option.starts_with("--tiny-method-max=")) {
162    ParseTinyMethodMax(option, Usage);
163  } else if (option.starts_with("--num-dex-methods=")) {
164    ParseNumDexMethods(option, Usage);
165  } else if (option.starts_with("--inline-depth-limit=")) {
166    ParseInlineDepthLimit(option, Usage);
167  } else if (option.starts_with("--inline-max-code-units=")) {
168    ParseInlineMaxCodeUnits(option, Usage);
169  } else if (option == "--generate-debug-info" || option == "-g") {
170    generate_debug_info_ = true;
171  } else if (option == "--no-generate-debug-info") {
172    generate_debug_info_ = false;
173  } else if (option == "--generate-mini-debug-info") {
174    generate_mini_debug_info_ = true;
175  } else if (option == "--no-generate-mini-debug-info") {
176    generate_mini_debug_info_ = false;
177  } else if (option == "--debuggable") {
178    debuggable_ = true;
179  } else if (option.starts_with("--top-k-profile-threshold=")) {
180    ParseDouble(option.data(), '=', 0.0, 100.0, &top_k_profile_threshold_, Usage);
181  } else if (option == "--include-patch-information") {
182    include_patch_information_ = true;
183  } else if (option == "--no-include-patch-information") {
184    include_patch_information_ = false;
185  } else if (option == "--abort-on-hard-verifier-error") {
186    abort_on_hard_verifier_failure_ = true;
187  } else if (option.starts_with("--dump-init-failures=")) {
188    ParseDumpInitFailures(option, Usage);
189  } else if (option.starts_with("--dump-cfg=")) {
190    dump_cfg_file_name_ = option.substr(strlen("--dump-cfg=")).data();
191  } else if (option.starts_with("--dump-cfg-append")) {
192    dump_cfg_append_ = true;
193  } else {
194    // Option not recognized.
195    return false;
196  }
197  return true;
198}
199
200}  // namespace art
201