gcc/libsanitizer/asan/asan_report.h

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//===-- asan_report.h -------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for error reporting functions.
//===----------------------------------------------------------------------===//
#include "asan_allocator.h"
#include "asan_internal.h"
#include "asan_thread.h"
namespace __asan {
struct StackVarDescr {
uptr beg;
uptr size;
const char *name_pos;
uptr name_len;
};
struct AddressDescription {
char *name;
uptr name_size;
uptr region_address;
uptr region_size;
const char *region_kind;
};
// The following functions prints address description depending
// on the memory type (shadow/heap/stack/global).
void DescribeHeapAddress(uptr addr, uptr access_size);
bool DescribeAddressIfGlobal(uptr addr, uptr access_size);
bool DescribeAddressRelativeToGlobal(uptr addr, uptr access_size,
const __asan_global &g);
bool IsAddressNearGlobal(uptr addr, const __asan_global &g);
bool GetInfoForAddressIfGlobal(uptr addr, AddressDescription *descr);
bool DescribeAddressIfShadow(uptr addr, AddressDescription *descr = nullptr,
bool print = true);
bool ParseFrameDescription(const char *frame_descr,
InternalMmapVector<StackVarDescr> *vars);
bool DescribeAddressIfStack(uptr addr, uptr access_size);
// Determines memory type on its own.
void DescribeAddress(uptr addr, uptr access_size);
void DescribeThread(AsanThreadContext *context);
// Different kinds of error reports.
void NORETURN
ReportStackOverflow(uptr pc, uptr sp, uptr bp, void *context, uptr addr);
void NORETURN ReportSIGSEGV(const char *description, uptr pc, uptr sp, uptr bp,
void *context, uptr addr);
void NORETURN ReportNewDeleteSizeMismatch(uptr addr, uptr delete_size,
BufferedStackTrace *free_stack);
void NORETURN ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
void NORETURN ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
void NORETURN ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
AllocType alloc_type,
AllocType dealloc_type);
void NORETURN
ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
void NORETURN
ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
BufferedStackTrace *stack);
void NORETURN
ReportStringFunctionMemoryRangesOverlap(const char *function,
const char *offset1, uptr length1,
const char *offset2, uptr length2,
BufferedStackTrace *stack);
void NORETURN ReportStringFunctionSizeOverflow(uptr offset, uptr size,
BufferedStackTrace *stack);
void NORETURN
ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
uptr old_mid, uptr new_mid,
BufferedStackTrace *stack);
void NORETURN
ReportODRViolation(const __asan_global *g1, u32 stack_id1,
const __asan_global *g2, u32 stack_id2);
// Mac-specific errors and warnings.
void WarnMacFreeUnallocated(uptr addr, uptr zone_ptr, const char *zone_name,
BufferedStackTrace *stack);
void NORETURN ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
const char *zone_name,
BufferedStackTrace *stack);
void NORETURN ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
const char *zone_name,
BufferedStackTrace *stack);
} // namespace __asan