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[FreeBSD/FreeBSD.git] / contrib / compiler-rt / lib / ubsan / ubsan_monitor.h
1 //===-- ubsan_monitor.h -----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // Hooks which allow a monitor process to inspect UBSan's diagnostics.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #ifndef UBSAN_MONITOR_H
15 #define UBSAN_MONITOR_H
16
17 #include "ubsan_diag.h"
18 #include "ubsan_value.h"
19
20 namespace __ubsan {
21
22 struct UndefinedBehaviorReport {
23   const char *IssueKind;
24   Location &Loc;
25   InternalScopedString Buffer;
26
27   UndefinedBehaviorReport(const char *IssueKind, Location &Loc,
28                           InternalScopedString &Msg);
29 };
30
31 SANITIZER_INTERFACE_ATTRIBUTE void
32 RegisterUndefinedBehaviorReport(UndefinedBehaviorReport *UBR);
33
34 /// Called after a report is prepared. This serves to alert monitor processes
35 /// that a UB report is available.
36 extern "C" SANITIZER_INTERFACE_ATTRIBUTE void __ubsan_on_report(void);
37
38 /// Used by the monitor process to extract information from a UB report. The
39 /// data is only available until the next time __ubsan_on_report is called. The
40 /// caller is responsible for copying and preserving the data if needed.
41 extern "C" SANITIZER_INTERFACE_ATTRIBUTE void
42 __ubsan_get_current_report_data(const char **OutIssueKind,
43                                 const char **OutMessage,
44                                 const char **OutFilename, unsigned *OutLine,
45                                 unsigned *OutCol, char **OutMemoryAddr);
46
47 } // end namespace __ubsan
48
49 #endif // UBSAN_MONITOR_H