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//===-- msan.h --------------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of MemorySanitizer.
//
// Private MSan header.
//===----------------------------------------------------------------------===//
#ifndef MSAN_H
#define MSAN_H
#include "sanitizer_common/sanitizer_internal_defs.h"
#include "sanitizer_common/sanitizer_stacktrace.h"
#include "msan_interface_internal.h"
#include "msan_flags.h"
#define MEM_TO_SHADOW(mem) (((uptr)mem) & ~0x400000000000ULL)
#define MEM_TO_ORIGIN(mem) (MEM_TO_SHADOW(mem) + 0x200000000000ULL)
#define MEM_IS_APP(mem) ((uptr)mem >= 0x600000000000ULL)
#define MEM_IS_SHADOW(mem) ((uptr)mem >= 0x200000000000ULL && \
(uptr)mem <= 0x400000000000ULL)
struct link_map; // Opaque type returned by dlopen().
const int kMsanParamTlsSizeInWords = 100;
const int kMsanRetvalTlsSizeInWords = 100;
namespace __msan {
extern int msan_inited;
extern bool msan_init_is_running;
extern int msan_report_count;
bool ProtectRange(uptr beg, uptr end);
bool InitShadow(bool prot1, bool prot2, bool map_shadow, bool init_origins);
char *GetProcSelfMaps();
void InitializeInterceptors();
void *MsanReallocate(StackTrace *stack, void *oldp, uptr size,
uptr alignment, bool zeroise);
void MsanDeallocate(void *ptr);
void InstallTrapHandler();
void InstallAtExitHandler();
void ReplaceOperatorsNewAndDelete();
void EnterSymbolizer();
void ExitSymbolizer();
bool IsInSymbolizer();
struct SymbolizerScope {
SymbolizerScope() { EnterSymbolizer(); }
~SymbolizerScope() { ExitSymbolizer(); }
};
void EnterLoader();
void ExitLoader();
void MsanDie();
void PrintWarning(uptr pc, uptr bp);
void PrintWarningWithOrigin(uptr pc, uptr bp, u32 origin);
void GetStackTrace(StackTrace *stack, uptr max_s, uptr pc, uptr bp,
bool fast);
void ReportUMR(StackTrace *stack, u32 origin);
void ReportExpectedUMRNotFound(StackTrace *stack);
void ReportAtExitStatistics();
void UnpoisonMappedDSO(struct link_map *map);
#define GET_MALLOC_STACK_TRACE \
StackTrace stack; \
stack.size = 0; \
if (__msan_get_track_origins() && msan_inited) \
GetStackTrace(&stack, flags()->num_callers, \
StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(), \
flags()->fast_unwind_on_malloc)
} // namespace __msan
#endif // MSAN_H
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