1 //===-- report.h ------------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef SCUDO_REPORT_H_
10 #define SCUDO_REPORT_H_
11 
12 #include "internal_defs.h"
13 
14 namespace scudo {
15 
16 // Reports are *fatal* unless stated otherwise.
17 
18 // Generic error.
19 void NORETURN reportError(const char *Message);
20 
21 // Flags related errors.
22 void NORETURN reportInvalidFlag(const char *FlagType, const char *Value);
23 
24 // Chunk header related errors.
25 void NORETURN reportHeaderCorruption(void *Ptr);
26 void NORETURN reportHeaderRace(void *Ptr);
27 
28 // Sanity checks related error.
29 void NORETURN reportSanityCheckError(const char *Field);
30 
31 // Combined allocator errors.
32 void NORETURN reportAlignmentTooBig(uptr Alignment, uptr MaxAlignment);
33 void NORETURN reportAllocationSizeTooBig(uptr UserSize, uptr TotalSize,
34                                          uptr MaxSize);
35 void NORETURN reportOutOfBatchClass();
36 void NORETURN reportOutOfMemory(uptr RequestedSize);
37 void NORETURN reportSoftRSSLimit(uptr RssLimitMb);
38 void NORETURN reportHardRSSLimit(uptr RssLimitMb);
39 enum class AllocatorAction : u8 {
40   Recycling,
41   Deallocating,
42   Reallocating,
43   Sizing,
44 };
45 void NORETURN reportInvalidChunkState(AllocatorAction Action, void *Ptr);
46 void NORETURN reportMisalignedPointer(AllocatorAction Action, void *Ptr);
47 void NORETURN reportDeallocTypeMismatch(AllocatorAction Action, void *Ptr,
48                                         u8 TypeA, u8 TypeB);
49 void NORETURN reportDeleteSizeMismatch(void *Ptr, uptr Size, uptr ExpectedSize);
50 
51 // C wrappers errors.
52 void NORETURN reportAlignmentNotPowerOfTwo(uptr Alignment);
53 void NORETURN reportInvalidPosixMemalignAlignment(uptr Alignment);
54 void NORETURN reportCallocOverflow(uptr Count, uptr Size);
55 void NORETURN reportPvallocOverflow(uptr Size);
56 void NORETURN reportInvalidAlignedAllocAlignment(uptr Size, uptr Alignment);
57 
58 } // namespace scudo
59 
60 #endif // SCUDO_REPORT_H_
61