1 //===-- sancov_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 // Sanitizer Coverage runtime flags.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "sancov_flags.h"
15 #include "sanitizer_flag_parser.h"
16 #include "sanitizer_platform.h"
17
SANITIZER_INTERFACE_WEAK_DEF(const char *,__sancov_default_options,void)18 SANITIZER_INTERFACE_WEAK_DEF(const char*, __sancov_default_options, void) {
19 return "";
20 }
21
22 using namespace __sanitizer;
23
24 namespace __sancov {
25
26 SancovFlags sancov_flags_dont_use_directly; // use via flags();
27
SetDefaults()28 void SancovFlags::SetDefaults() {
29 #define SANCOV_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
30 #include "sancov_flags.inc"
31 #undef SANCOV_FLAG
32 }
33
RegisterSancovFlags(FlagParser * parser,SancovFlags * f)34 static void RegisterSancovFlags(FlagParser *parser, SancovFlags *f) {
35 #define SANCOV_FLAG(Type, Name, DefaultValue, Description) \
36 RegisterFlag(parser, #Name, Description, &f->Name);
37 #include "sancov_flags.inc"
38 #undef SANCOV_FLAG
39 }
40
MaybeCallSancovDefaultOptions()41 static const char *MaybeCallSancovDefaultOptions() {
42 return (&__sancov_default_options) ? __sancov_default_options() : "";
43 }
44
InitializeSancovFlags()45 void InitializeSancovFlags() {
46 SancovFlags *f = sancov_flags();
47 f->SetDefaults();
48
49 FlagParser parser;
50 RegisterSancovFlags(&parser, f);
51
52 parser.ParseString(MaybeCallSancovDefaultOptions());
53 parser.ParseString(GetEnv("SANCOV_OPTIONS"));
54
55 ReportUnrecognizedFlags();
56 if (f->help) parser.PrintFlagDescriptions();
57 }
58
59 } // namespace __sancov
60