xref: /freebsd/contrib/llvm-project/compiler-rt/lib/dfsan/dfsan_flags.inc (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1//===-- dfsan_flags.inc -----------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// DFSan runtime flags.
10//
11//===----------------------------------------------------------------------===//
12#ifndef DFSAN_FLAG
13# error "Define DFSAN_FLAG prior to including this file!"
14#endif
15
16// DFSAN_FLAG(Type, Name, DefaultValue, Description)
17// See COMMON_FLAG in sanitizer_flags.inc for more details.
18
19DFSAN_FLAG(bool, warn_unimplemented, false,
20           "Whether to warn on unimplemented functions.")
21DFSAN_FLAG(bool, warn_nonzero_labels, false,
22           "Whether to warn on unimplemented functions.")
23DFSAN_FLAG(
24    bool, strict_data_dependencies, true,
25    "Whether to propagate labels only when there is an obvious data dependency"
26    "(e.g., when comparing strings, ignore the fact that the output of the"
27    "comparison might be data-dependent on the content of the strings). This"
28    "applies only to the custom functions defined in 'custom.c'.")
29DFSAN_FLAG(
30     int, origin_history_size, Origin::kMaxDepth,
31    "The limit of origin chain length. Non-positive values mean unlimited.")
32DFSAN_FLAG(
33     int, origin_history_per_stack_limit, 20000,
34    "The limit of origin node's references count. "
35    "Non-positive values mean unlimited.")
36DFSAN_FLAG(int, store_context_size, 20,
37           "The depth limit of origin tracking stack traces.")
38DFSAN_FLAG(bool, check_origin_invariant, false,
39           "Whether to check if the origin invariant holds.")
40DFSAN_FLAG(bool, zero_in_malloc, true,
41           "Whether to zero shadow space of new allocated memory.")
42DFSAN_FLAG(bool, zero_in_free, true,
43           "Whether to zero shadow space of deallocated memory.")
44