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