1 //===-- esan_flags.cc -------------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file is a part of EfficiencySanitizer, a family of performance tuners.
11 //
12 // Esan flag parsing logic.
13 //===----------------------------------------------------------------------===//
14 
15 #include "esan_flags.h"
16 #include "sanitizer_common/sanitizer_common.h"
17 #include "sanitizer_common/sanitizer_flag_parser.h"
18 #include "sanitizer_common/sanitizer_flags.h"
19 
20 using namespace __sanitizer;
21 
22 namespace __esan {
23 
24 static const char EsanOptsEnv[] = "ESAN_OPTIONS";
25 
26 Flags EsanFlagsDontUseDirectly;
27 
28 void Flags::setDefaults() {
29 #define ESAN_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
30 #include "esan_flags.inc"
31 #undef ESAN_FLAG
32 }
33 
34 static void registerEsanFlags(FlagParser *Parser, Flags *F) {
35 #define ESAN_FLAG(Type, Name, DefaultValue, Description) \
36   RegisterFlag(Parser, #Name, Description, &F->Name);
37 #include "esan_flags.inc"
38 #undef ESAN_FLAG
39 }
40 
41 void initializeFlags() {
42   SetCommonFlagsDefaults();
43   Flags *F = getFlags();
44   F->setDefaults();
45 
46   FlagParser Parser;
47   registerEsanFlags(&Parser, F);
48   RegisterCommonFlags(&Parser);
49   Parser.ParseString(GetEnv(EsanOptsEnv));
50 
51   InitializeCommonFlags();
52   if (Verbosity())
53     ReportUnrecognizedFlags();
54   if (common_flags()->help)
55     Parser.PrintFlagDescriptions();
56 
57   __sanitizer_set_report_path(common_flags()->log_path);
58 }
59 
60 } // namespace __esan
61