derek.holloway
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56 lines
2.7 KiB
C++
56 lines
2.7 KiB
C++
//===-- nsan_flags.inc ------------------------------------------*- C++ -*-===//
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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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// NSan runtime flags.
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//
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//===----------------------------------------------------------------------===//
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#ifndef NSAN_FLAG
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#error "Define NSAN_FLAG prior to including this file!"
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#endif
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// NSAN_FLAG(Type, Name, DefaultValue, Description)
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// See COMMON_FLAG in sanitizer_flags.inc for more details.
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NSAN_FLAG(bool, halt_on_error, true, "If true, halt after the first error.")
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NSAN_FLAG(bool, resume_after_warning, true,
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"If true, we resume resume the computation from the original "
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"application floating-point value after a warning. If false, "
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"computations continue with the shadow value.")
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NSAN_FLAG(const char *, suppressions, "", "Suppressions file name.")
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NSAN_FLAG(bool, resume_after_suppression, true,
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"If true, a suppression will also resume the computation from the FT"
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" domain. If false, output is suppressed but the shadow value is"
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" retained.")
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// FIXME: should this be specified in units of epsilon instead?
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NSAN_FLAG(int, log2_max_relative_error, 19,
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"Log2 maximum admissible relative error, e.g. 19 means max relative "
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"error of 1/2^19 ~= 0.000002.")
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NSAN_FLAG(int, log2_absolute_error_threshold, 32,
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"Log2 maximum admissible absolute error. Any numbers closer than "
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"1/2^n are considered to be the same.")
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NSAN_FLAG(bool, disable_warnings, false,
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"If true, disable warning printing. This is useful to only compute "
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"stats.")
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NSAN_FLAG(bool, enable_check_stats, false,
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"If true, compute check stats, i.e. for each line, the number of "
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"times a check was performed on this line.")
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NSAN_FLAG(bool, enable_warning_stats, false,
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"If true, compute warning stats, i.e. for each line, the number of "
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"times a warning was emitted for this line.")
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NSAN_FLAG(bool, enable_loadtracking_stats, false,
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"If true, compute load tracking stats, i.e. for each load from "
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"memory, the number of times nsan resumed from the original value "
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"due to invalid or unknown types.")
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NSAN_FLAG(bool, poison_in_free, true, "")
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NSAN_FLAG(bool, print_stats_on_exit, false, "If true, print stats on exit.")
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NSAN_FLAG(bool, check_nan, false,
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"If true, check the floating-point number is nan")
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NSAN_FLAG(bool, check_cmp, true,
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"If true, emit a warning for a fcmp instruction whose "
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"corresponding shadow fcmp result differs.")
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