compiler-rt/lib/stats/stats.h

   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