ef83c25b0e
The initial check-in of compiler-rt/lib/nsan #94322 has a lot of style issues. Fix them before the history becomes more useful. Pull Request: https://github.com/llvm/llvm-project/pull/96142
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
//===-- nsan_flags.cc -----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of NumericalStabilitySanitizer.
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//
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//===----------------------------------------------------------------------===//
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#include "nsan_flags.h"
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#include "sanitizer_common/sanitizer_flag_parser.h"
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#include "sanitizer_common/sanitizer_flags.h"
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using namespace __sanitizer;
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using namespace __nsan;
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SANITIZER_INTERFACE_WEAK_DEF(const char *, __nsan_default_options, void) {
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return "";
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}
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Flags __nsan::flags_data;
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void Flags::SetDefaults() {
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#define NSAN_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
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#include "nsan_flags.inc"
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#undef NSAN_FLAG
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}
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void Flags::PopulateCache() {
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cached_absolute_error_threshold =
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1.0 / (1ull << log2_absolute_error_threshold);
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}
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static void RegisterNSanFlags(FlagParser *parser, Flags *f) {
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#define NSAN_FLAG(Type, Name, DefaultValue, Description) \
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RegisterFlag(parser, #Name, Description, &f->Name);
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#include "nsan_flags.inc"
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#undef NSAN_FLAG
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}
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static const char *MaybeCallNsanDefaultOptions() {
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return (&__nsan_default_options) ? __nsan_default_options() : "";
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}
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void __nsan::InitializeFlags() {
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SetCommonFlagsDefaults();
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{
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CommonFlags cf;
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cf.CopyFrom(*common_flags());
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cf.external_symbolizer_path = GetEnv("NSAN_SYMBOLIZER_PATH");
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OverrideCommonFlags(cf);
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}
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flags().SetDefaults();
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FlagParser parser;
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RegisterCommonFlags(&parser);
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RegisterNSanFlags(&parser, &flags());
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const char *nsan_default_options = MaybeCallNsanDefaultOptions();
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parser.ParseString(nsan_default_options);
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parser.ParseString(GetEnv("NSAN_OPTIONS"));
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InitializeCommonFlags();
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if (Verbosity())
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ReportUnrecognizedFlags();
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if (common_flags()->help)
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parser.PrintFlagDescriptions();
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flags().PopulateCache();
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}
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