1 //===-- stats.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 // Data definitions for sanitizer statistics gathering.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef SANITIZER_STATS_STATS_H
15 #define SANITIZER_STATS_STATS_H
16 
17 #include "sanitizer_common/sanitizer_internal_defs.h"
18 
19 namespace __sanitizer {
20 
21 // Number of bits in data that are used for the sanitizer kind. Needs to match
22 // llvm::kSanitizerStatKindBits in
23 // llvm/include/llvm/Transforms/Utils/SanitizerStats.h
24 enum { kKindBits = 3 };
25 
26 struct StatInfo {
27   uptr addr;
28   uptr data;
29 };
30 
31 struct StatModule {
32   StatModule *next;
33   u32 size;
34   StatInfo infos[1];
35 };
36 
CountFromData(uptr data)37 inline uptr CountFromData(uptr data) {
38   return data & ((1ull << (sizeof(uptr) * 8 - kKindBits)) - 1);
39 }
40 
41 }
42 
43 #endif
44