1//===-- sancov_flags.cc -----------------------------------------*- C++ -*-===//
2//
3// This file is distributed under the University of Illinois Open Source
4// License. See LICENSE.TXT for details.
5//
6//===----------------------------------------------------------------------===//
7//
8// Sanitizer Coverage runtime flags.
9//
10//===----------------------------------------------------------------------===//
11
12#include "sancov_flags.h"
13#include "sanitizer_flag_parser.h"
14#include "sanitizer_platform.h"
15
16SANITIZER_INTERFACE_WEAK_DEF(const char*, __sancov_default_options, void) {
17  return "";
18}
19
20using namespace __sanitizer;
21
22namespace __sancov {
23
24SancovFlags sancov_flags_dont_use_directly;  // use via flags();
25
26void SancovFlags::SetDefaults() {
27#define SANCOV_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
28#include "sancov_flags.inc"
29#undef SANCOV_FLAG
30}
31
32static void RegisterSancovFlags(FlagParser *parser, SancovFlags *f) {
33#define SANCOV_FLAG(Type, Name, DefaultValue, Description) \
34  RegisterFlag(parser, #Name, Description, &f->Name);
35#include "sancov_flags.inc"
36#undef SANCOV_FLAG
37}
38
39static const char *MaybeCallSancovDefaultOptions() {
40  return (&__sancov_default_options) ? __sancov_default_options() : "";
41}
42
43void InitializeSancovFlags() {
44  SancovFlags *f = sancov_flags();
45  f->SetDefaults();
46
47  FlagParser parser;
48  RegisterSancovFlags(&parser, f);
49
50  parser.ParseString(MaybeCallSancovDefaultOptions());
51  parser.ParseString(GetEnv("SANCOV_OPTIONS"));
52
53  ReportUnrecognizedFlags();
54  if (f->help) parser.PrintFlagDescriptions();
55}
56
57}  // namespace __sancov
58