forked from OSchip/llvm-project
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
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//===-- msan.h ------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of MemorySanitizer.
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//
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// Private MSan header.
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//===----------------------------------------------------------------------===//
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#ifndef MSAN_H
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#define MSAN_H
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#include "sanitizer_common/sanitizer_internal_defs.h"
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#include "sanitizer_common/sanitizer_stacktrace.h"
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#include "sanitizer/msan_interface.h"
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#include "msan_flags.h"
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#define MEM_TO_SHADOW(mem) (((uptr)mem) & ~0x400000000000ULL)
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#define MEM_TO_ORIGIN(mem) (MEM_TO_SHADOW(mem) + 0x200000000000ULL)
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#define MEM_IS_APP(mem) ((uptr)mem >= 0x600000000000ULL)
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#define MEM_IS_SHADOW(mem) ((uptr)mem >= 0x200000000000ULL && \
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(uptr)mem <= 0x400000000000ULL)
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const int kMsanParamTlsSizeInWords = 100;
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const int kMsanRetvalTlsSizeInWords = 100;
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namespace __msan {
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extern int msan_inited;
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extern bool msan_init_is_running;
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bool ProtectRange(uptr beg, uptr end);
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bool InitShadow(bool prot1, bool prot2, bool map_shadow, bool init_origins);
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char *GetProcSelfMaps();
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void InitializeInterceptors();
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void *MsanReallocate(StackTrace *stack, void *oldp, uptr size,
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uptr alignment, bool zeroise);
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void MsanDeallocate(void *ptr);
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void InstallTrapHandler();
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void ReplaceOperatorsNewAndDelete();
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void MsanDie();
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void PrintWarning(uptr pc, uptr bp);
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void PrintWarningWithOrigin(uptr pc, uptr bp, u32 origin);
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void GetStackTrace(StackTrace *stack, uptr max_s, uptr pc, uptr bp);
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#define GET_MALLOC_STACK_TRACE \
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StackTrace stack; \
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stack.size = 0; \
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if (__msan_get_track_origins() && msan_inited) \
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GetStackTrace(&stack, flags()->num_callers, \
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StackTrace::GetCurrentPc(), GET_CURRENT_FRAME())
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} // namespace __msan
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#endif // MSAN_H
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