1 //===-- sanitizer/esan_interface.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 // This file is a part of EfficiencySanitizer, a family of performance tuners.
11 //
12 // Public interface header.
13 //===----------------------------------------------------------------------===//
14 #ifndef SANITIZER_ESAN_INTERFACE_H
15 #define SANITIZER_ESAN_INTERFACE_H
16 
17 #include <sanitizer/common_interface_defs.h>
18 
19 // We declare our interface routines as weak to allow the user to avoid
20 // ifdefs and instead use this pattern to allow building the same sources
21 // with and without our runtime library:
22 //     if (__esan_report)
23 //       __esan_report();
24 #ifdef _MSC_VER
25 /* selectany is as close to weak as we'll get. */
26 #define COMPILER_RT_WEAK __declspec(selectany)
27 #elif __GNUC__
28 #define COMPILER_RT_WEAK __attribute__((weak))
29 #else
30 #define COMPILER_RT_WEAK
31 #endif
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 // This function can be called mid-run (or at the end of a run for
38 // a server process that doesn't shut down normally) to request that
39 // data for that point in the run be reported from the tool.
40 void COMPILER_RT_WEAK __esan_report();
41 
42 #ifdef __cplusplus
43 } // extern "C"
44 #endif
45 
46 #endif // SANITIZER_ESAN_INTERFACE_H
47