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 #ifndef ASAN_REPORT_H
  16 #define ASAN_REPORT_H
  17
  18 #include "asan_allocator.h"
  19 #include "asan_internal.h"
  20 #include "asan_thread.h"
  21
  22 namespace __asan {
  23
  24 struct StackVarDescr {
  25   uptr beg;
  26   uptr size;
  27   const char *name_pos;
  28   uptr name_len;
  29   uptr line;
  30 };
  31
  32 // Returns the number of globals close to the provided address and copies
  33 // them to "globals" array.
  34 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
  35                          int max_globals);
  36
  37 const char *MaybeDemangleGlobalName(const char *name);
  38 void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g);
  39 void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g);
  40
  41 void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte,
  42                      bool in_shadow, const char *after = "\n");
  43
  44 // The following functions prints address description depending
  45 // on the memory type (shadow/heap/stack/global).
  46 bool ParseFrameDescription(const char *frame_descr,
  47                            InternalMmapVector<StackVarDescr> *vars);
  48
  49 // Different kinds of error reports.
  50 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
  51                         uptr access_size, u32 exp, bool fatal);
  52 void ReportDeadlySignal(const SignalContext &sig);
  53 void ReportNewDeleteTypeMismatch(uptr addr, uptr delete_size,
  54                                  uptr delete_alignment,
  55                                  BufferedStackTrace *free_stack);
  56 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
  57 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
  58 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
  59                              AllocType alloc_type,
  60                              AllocType dealloc_type);
  61 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
  62 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
  63                                              BufferedStackTrace *stack);
  64 void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack);
  65 void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack);
  66 void ReportInvalidAllocationAlignment(uptr alignment,
  67                                       BufferedStackTrace *stack);
  68 void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment,
  69                                         BufferedStackTrace *stack);
  70 void ReportInvalidPosixMemalignAlignment(uptr alignment,
  71                                          BufferedStackTrace *stack);
  72 void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size,
  73                                 BufferedStackTrace *stack);
  74 void ReportRssLimitExceeded(BufferedStackTrace *stack);
  75 void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack);
  76 void ReportStringFunctionMemoryRangesOverlap(const char *function,
  77                                              const char *offset1, uptr length1,
  78                                              const char *offset2, uptr length2,
  79                                              BufferedStackTrace *stack);
  80 void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
  81                                       BufferedStackTrace *stack);
  82 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
  83                                                   uptr old_mid, uptr new_mid,
  84                                                   BufferedStackTrace *stack);
  85
  86 void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
  87                         const __asan_global *g2, u32 stack_id2);
  88
  89 // Mac-specific errors and warnings.
  90 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
  91                                const char *zone_name,
  92                                BufferedStackTrace *stack);
  93 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
  94                                const char *zone_name,
  95                                BufferedStackTrace *stack);
  96
  97 }  // namespace __asan
  98 #endif  // ASAN_REPORT_H