1 //===-- xray_flags.cc -------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file is a part of XRay, a dynamic runtime instrumentation system.
12 // XRay flag parsing logic.
13 //===----------------------------------------------------------------------===//
15 #include "xray_flags.h"
16 #include "sanitizer_common/sanitizer_common.h"
17 #include "sanitizer_common/sanitizer_flag_parser.h"
18 #include "sanitizer_common/sanitizer_libc.h"
19 #include "xray_defs.h"
21 using namespace __sanitizer;
25 Flags xray_flags_dont_use_directly; // use via flags().
27 void Flags::SetDefaults() XRAY_NEVER_INSTRUMENT {
28 #define XRAY_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
29 #include "xray_flags.inc"
33 static void RegisterXRayFlags(FlagParser *P, Flags *F) XRAY_NEVER_INSTRUMENT {
34 #define XRAY_FLAG(Type, Name, DefaultValue, Description) \
35 RegisterFlag(P, #Name, Description, &F->Name);
36 #include "xray_flags.inc"
40 void InitializeFlags() XRAY_NEVER_INSTRUMENT {
41 SetCommonFlagsDefaults();
45 FlagParser XRayParser;
46 RegisterXRayFlags(&XRayParser, F);
47 RegisterCommonFlags(&XRayParser);
49 // Override from command line.
50 XRayParser.ParseString(GetEnv("XRAY_OPTIONS"));
52 InitializeCommonFlags();
55 ReportUnrecognizedFlags();
57 if (common_flags()->help) {
58 XRayParser.PrintFlagDescriptions();