contrib/compiler-rt/lib/asan/asan_report.h

   1 //===-- asan_report.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 // This file is a part of AddressSanitizer, an address sanity checker.
  11 //
  12 // ASan-private header for error reporting functions.
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "asan_allocator.h"
  16 #include "asan_internal.h"
  17 #include "asan_thread.h"
  18
  19 namespace __asan {
  20
  21 struct StackVarDescr {
  22   uptr beg;
  23   uptr size;
  24   const char *name_pos;
  25   uptr name_len;
  26   uptr line;
  27 };
  28
  29 // Returns the number of globals close to the provided address and copies
  30 // them to "globals" array.
  31 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
  32                          int max_globals);
  33
  34 const char *MaybeDemangleGlobalName(const char *name);
  35 void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g);
  36 void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g);
  37
  38 void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte,
  39                      bool in_shadow, const char *after = "\n");
  40
  41 // The following functions prints address description depending
  42 // on the memory type (shadow/heap/stack/global).
  43 bool ParseFrameDescription(const char *frame_descr,
  44                            InternalMmapVector<StackVarDescr> *vars);
  45
  46 // Different kinds of error reports.
  47 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
  48                         uptr access_size, u32 exp, bool fatal);
  49 void ReportStackOverflow(const SignalContext &sig);
  50 void ReportDeadlySignal(int signo, const SignalContext &sig);
  51 void ReportNewDeleteSizeMismatch(uptr addr, uptr delete_size,
  52                                  BufferedStackTrace *free_stack);
  53 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
  54 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
  55 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
  56                              AllocType alloc_type,
  57                              AllocType dealloc_type);
  58 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
  59 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
  60                                              BufferedStackTrace *stack);
  61 void ReportStringFunctionMemoryRangesOverlap(const char *function,
  62                                              const char *offset1, uptr length1,
  63                                              const char *offset2, uptr length2,
  64                                              BufferedStackTrace *stack);
  65 void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
  66                                       BufferedStackTrace *stack);
  67 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
  68                                                   uptr old_mid, uptr new_mid,
  69                                                   BufferedStackTrace *stack);
  70
  71 void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
  72                         const __asan_global *g2, u32 stack_id2);
  73
  74 // Mac-specific errors and warnings.
  75 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
  76                                const char *zone_name,
  77                                BufferedStackTrace *stack);
  78 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
  79                                const char *zone_name,
  80                                BufferedStackTrace *stack);
  81
  82 }  // namespace __asan