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📄 ubsan.syms.extra(10 B)
📄 ubsan_checks.inc(3.71 KB)
📄 ubsan_diag.cpp(14.53 KB)
📄 ubsan_diag.h(7.57 KB)
📄 ubsan_diag_standalone.cpp(1.24 KB)
📄 ubsan_flags.cpp(2.26 KB)
📄 ubsan_flags.h(1.28 KB)
📄 ubsan_flags.inc(1.25 KB)
📄 ubsan_handlers.cpp(32.22 KB)
📄 ubsan_handlers.h(7.12 KB)
📄 ubsan_handlers_cxx.cpp(7.2 KB)
📄 ubsan_handlers_cxx.h(2.1 KB)
📄 ubsan_init.cpp(1.79 KB)
📄 ubsan_init.h(1.06 KB)
📄 ubsan_init_standalone.cpp(977 B)
📄 ubsan_init_standalone_preinit.cpp(1.04 KB)
📄 ubsan_interface.inc(3.25 KB)
📄 ubsan_monitor.cpp(2.67 KB)
📄 ubsan_monitor.h(1.72 KB)
📄 ubsan_platform.h(952 B)
📄 ubsan_signals_standalone.cpp(2.46 KB)
📄 ubsan_signals_standalone.h(775 B)
📄 ubsan_type_hash.cpp(1.25 KB)
📄 ubsan_type_hash.h(2.73 KB)
📄 ubsan_type_hash_itanium.cpp(9.47 KB)
📄 ubsan_type_hash_win.cpp(2.82 KB)
📄 ubsan_value.cpp(5.21 KB)
📄 ubsan_value.h(6.04 KB)
📄 ubsan_win_dll_thunk.cpp(1.02 KB)
📄 ubsan_win_dynamic_runtime_thunk.cpp(952 B)
📄 ubsan_win_weak_interception.cpp(1.15 KB)
📄 weak_symbols.txt(25 B)

Editing: ubsan_flags.cpp

//===-- ubsan_flags.cpp ---------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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"

#include <stdlib.h>

namespace __ubsan {

const char *MaybeCallUbsanDefaultOptions() {
  return (&__ubsan_default_options) ? __ubsan_default_options() : "";
}

static const char *GetFlag(const char *flag) {
  // We cannot call getenv() from inside a preinit array initializer
  if (SANITIZER_CAN_USE_PREINIT_ARRAY) {
    return GetEnv(flag);
  } else {
    return getenv(flag);
  }
}

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.external_symbolizer_path = GetFlag("UBSAN_SYMBOLIZER_PATH");
    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.ParseStringFromEnv("UBSAN_OPTIONS");
  InitializeCommonFlags();
  if (Verbosity()) ReportUnrecognizedFlags();

if (common_flags()->help) parser.PrintFlagDescriptions();
}

}  // namespace __ubsan

SANITIZER_INTERFACE_WEAK_DEF(const char *, __ubsan_default_options, void) {
  return "";
}

#endif  // CAN_SANITIZE_UB

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Editing: ubsan_flags.cpp

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