src/compiler-rt/lib/esan/esan_flags.cpp

   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 namespace __esan {
  21
  22 static const char EsanOptsEnv[] = "ESAN_OPTIONS";
  23
  24 Flags EsanFlagsDontUseDirectly;
  25
  26 void Flags::setDefaults() {
  27 #define ESAN_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
  28 #include "esan_flags.inc"
  29 #undef ESAN_FLAG
  30 }
  31
  32 static void registerEsanFlags(FlagParser *Parser, Flags *F) {
  33 #define ESAN_FLAG(Type, Name, DefaultValue, Description) \
  34   RegisterFlag(Parser, #Name, Description, &F->Name);
  35 #include "esan_flags.inc"
  36 #undef ESAN_FLAG
  37 }
  38
  39 void initializeFlags() {
  40   SetCommonFlagsDefaults();
  41   Flags *F = getFlags();
  42   F->setDefaults();
  43
  44   FlagParser Parser;
  45   registerEsanFlags(&Parser, F);
  46   RegisterCommonFlags(&Parser);
  47   Parser.ParseString(GetEnv(EsanOptsEnv));
  48
  49   InitializeCommonFlags();
  50   if (Verbosity())
  51     ReportUnrecognizedFlags();
  52   if (common_flags()->help)
  53     Parser.PrintFlagDescriptions();
  54
  55   __sanitizer_set_report_path(common_flags()->log_path);
  56 }
  57
  58 } // namespace __esan