1 //===-- stats.h -------------------------------------------------*- 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 // Data definitions for sanitizer statistics gathering.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef SANITIZER_STATS_STATS_H
14 #define SANITIZER_STATS_STATS_H
15 
16 #include "sanitizer_common/sanitizer_internal_defs.h"
17 
18 namespace __sanitizer {
19 
20 // Number of bits in data that are used for the sanitizer kind. Needs to match
21 // llvm::kSanitizerStatKindBits in
22 // llvm/include/llvm/Transforms/Utils/SanitizerStats.h
23 enum { kKindBits = 3 };
24 
25 struct StatInfo {
26   uptr addr;
27   uptr data;
28 };
29 
30 struct StatModule {
31   StatModule *next;
32   u32 size;
33   StatInfo infos[1];
34 };
35 
36 inline uptr CountFromData(uptr data) {
37   return data & ((1ull << (sizeof(uptr) * 8 - kKindBits)) - 1);
38 }
39 
40 }
41 
42 #endif
43