mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-23 15:32:26 +00:00
87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
//===-- ubsan_flags.cc ----------------------------------------------------===//
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Runtime flags for UndefinedBehaviorSanitizer.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "ubsan_platform.h"
|
|
#if CAN_SANITIZE_UB
|
|
#include "ubsan_flags.h"
|
|
#include "sanitizer_common/sanitizer_common.h"
|
|
#include "sanitizer_common/sanitizer_flags.h"
|
|
#include "sanitizer_common/sanitizer_flag_parser.h"
|
|
|
|
namespace __ubsan {
|
|
|
|
const char *MaybeCallUbsanDefaultOptions() {
|
|
return (&__ubsan_default_options) ? __ubsan_default_options() : "";
|
|
}
|
|
|
|
Flags ubsan_flags;
|
|
|
|
void Flags::SetDefaults() {
|
|
#define UBSAN_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
|
|
#include "ubsan_flags.inc"
|
|
#undef UBSAN_FLAG
|
|
}
|
|
|
|
void RegisterUbsanFlags(FlagParser *parser, Flags *f) {
|
|
#define UBSAN_FLAG(Type, Name, DefaultValue, Description) \
|
|
RegisterFlag(parser, #Name, Description, &f->Name);
|
|
#include "ubsan_flags.inc"
|
|
#undef UBSAN_FLAG
|
|
}
|
|
|
|
void InitializeFlags() {
|
|
SetCommonFlagsDefaults();
|
|
{
|
|
CommonFlags cf;
|
|
cf.CopyFrom(*common_flags());
|
|
cf.print_summary = false;
|
|
OverrideCommonFlags(cf);
|
|
}
|
|
|
|
Flags *f = flags();
|
|
f->SetDefaults();
|
|
|
|
FlagParser parser;
|
|
RegisterCommonFlags(&parser);
|
|
RegisterUbsanFlags(&parser, f);
|
|
|
|
// Override from user-specified string.
|
|
parser.ParseString(MaybeCallUbsanDefaultOptions());
|
|
// Override from environment variable.
|
|
parser.ParseString(GetEnv("UBSAN_OPTIONS"));
|
|
InitializeCommonFlags();
|
|
if (Verbosity()) ReportUnrecognizedFlags();
|
|
|
|
if (common_flags()->help) parser.PrintFlagDescriptions();
|
|
}
|
|
|
|
} // namespace __ubsan
|
|
|
|
extern "C" {
|
|
|
|
#if !SANITIZER_SUPPORTS_WEAK_HOOKS
|
|
SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
|
|
const char *__ubsan_default_options() { return ""; }
|
|
#endif
|
|
|
|
#if SANITIZER_WINDOWS
|
|
const char *__ubsan_default_default_options() { return ""; }
|
|
# ifdef _WIN64
|
|
# pragma comment(linker, "/alternatename:__ubsan_default_options=__ubsan_default_default_options")
|
|
# else
|
|
# pragma comment(linker, "/alternatename:___ubsan_default_options=___ubsan_default_default_options")
|
|
# endif
|
|
#endif
|
|
|
|
} // extern "C"
|
|
|
|
#endif // CAN_SANITIZE_UB
|