1 | //===-- sancov_flags.cpp ----------------------------------------*- 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 | // Sanitizer Coverage runtime flags. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #include "sancov_flags.h" |
14 | #include "sanitizer_flag_parser.h" |
15 | #include "sanitizer_platform.h" |
16 | |
17 | SANITIZER_INTERFACE_WEAK_DEF(const char*, __sancov_default_options, void) { |
18 | return "" ; |
19 | } |
20 | |
21 | using namespace __sanitizer; |
22 | |
23 | namespace __sancov { |
24 | |
25 | SancovFlags sancov_flags_dont_use_directly; // use via flags(); |
26 | |
27 | void SancovFlags::SetDefaults() { |
28 | #define SANCOV_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue; |
29 | #include "sancov_flags.inc" |
30 | #undef SANCOV_FLAG |
31 | } |
32 | |
33 | static void RegisterSancovFlags(FlagParser *parser, SancovFlags *f) { |
34 | #define SANCOV_FLAG(Type, Name, DefaultValue, Description) \ |
35 | RegisterFlag(parser, #Name, Description, &f->Name); |
36 | #include "sancov_flags.inc" |
37 | #undef SANCOV_FLAG |
38 | } |
39 | |
40 | static const char *MaybeCallSancovDefaultOptions() { |
41 | return (&__sancov_default_options) ? __sancov_default_options() : "" ; |
42 | } |
43 | |
44 | void InitializeSancovFlags() { |
45 | SancovFlags *f = sancov_flags(); |
46 | f->SetDefaults(); |
47 | |
48 | FlagParser parser; |
49 | RegisterSancovFlags(parser: &parser, f); |
50 | |
51 | parser.ParseString(s: MaybeCallSancovDefaultOptions()); |
52 | parser.ParseStringFromEnv(env_name: "SANCOV_OPTIONS" ); |
53 | |
54 | ReportUnrecognizedFlags(); |
55 | if (f->help) parser.PrintFlagDescriptions(); |
56 | } |
57 | |
58 | } // namespace __sancov |
59 | |