llvm-project/compiler-rt/lib/sanitizer_common/sancov_flags.cc

60 lines
1.6 KiB
C++

//===-- sancov_flags.cc -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Sanitizer Coverage runtime flags.
//
//===----------------------------------------------------------------------===//
#include "sancov_flags.h"
#include "sanitizer_flag_parser.h"
#include "sanitizer_platform.h"
SANITIZER_INTERFACE_WEAK_DEF(const char*, __sancov_default_options, void) {
return "";
}
using namespace __sanitizer;
namespace __sancov {
SancovFlags sancov_flags_dont_use_directly; // use via flags();
void SancovFlags::SetDefaults() {
#define SANCOV_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
#include "sancov_flags.inc"
#undef SANCOV_FLAG
}
static void RegisterSancovFlags(FlagParser *parser, SancovFlags *f) {
#define SANCOV_FLAG(Type, Name, DefaultValue, Description) \
RegisterFlag(parser, #Name, Description, &f->Name);
#include "sancov_flags.inc"
#undef SANCOV_FLAG
}
static const char *MaybeCallSancovDefaultOptions() {
return (&__sancov_default_options) ? __sancov_default_options() : "";
}
void InitializeSancovFlags() {
SancovFlags *f = sancov_flags();
f->SetDefaults();
FlagParser parser;
RegisterSancovFlags(&parser, f);
parser.ParseString(MaybeCallSancovDefaultOptions());
parser.ParseString(GetEnv("SANCOV_OPTIONS"));
ReportUnrecognizedFlags();
if (f->help) parser.PrintFlagDescriptions();
}
} // namespace __sancov