diff options
Diffstat (limited to 'lib/hwasan/hwasan.h')
| -rw-r--r-- | lib/hwasan/hwasan.h | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/lib/hwasan/hwasan.h b/lib/hwasan/hwasan.h index ce9e904c5c69..465e56c3a8cc 100644 --- a/lib/hwasan/hwasan.h +++ b/lib/hwasan/hwasan.h @@ -1,9 +1,8 @@ //===-- hwasan.h ------------------------------------------------*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -45,6 +44,11 @@ const uptr kAddressTagMask = 0xFFUL << kAddressTagShift; // for threads and stack histories. This is an ABI constant. const unsigned kShadowBaseAlignment = 32; +const unsigned kRecordAddrBaseTagShift = 3; +const unsigned kRecordFPShift = 48; +const unsigned kRecordFPLShift = 4; +const unsigned kRecordFPModulus = 1 << (64 - kRecordFPShift + kRecordFPLShift); + static inline tag_t GetTagFromPointer(uptr p) { return p >> kAddressTagShift; } @@ -71,6 +75,7 @@ extern int hwasan_report_count; bool ProtectRange(uptr beg, uptr end); bool InitShadow(); void InitThreads(); +void InitInstrumentation(); void MadviseShadow(); char *GetProcSelfMaps(); void InitializeInterceptors(); @@ -81,6 +86,7 @@ void HwasanAllocatorThreadFinish(); void *hwasan_malloc(uptr size, StackTrace *stack); void *hwasan_calloc(uptr nmemb, uptr size, StackTrace *stack); void *hwasan_realloc(void *ptr, uptr size, StackTrace *stack); +void *hwasan_reallocarray(void *ptr, uptr nmemb, uptr size, StackTrace *stack); void *hwasan_valloc(uptr size, StackTrace *stack); void *hwasan_pvalloc(uptr size, StackTrace *stack); void *hwasan_aligned_alloc(uptr alignment, uptr size, StackTrace *stack); @@ -92,9 +98,6 @@ void hwasan_free(void *ptr, StackTrace *stack); void InstallTrapHandler(); void InstallAtExitHandler(); -const char *GetStackOriginDescr(u32 id, uptr *pc); -const char *GetStackFrameDescr(uptr pc); - void EnterSymbolizer(); void ExitSymbolizer(); bool IsInSymbolizer(); @@ -104,9 +107,6 @@ struct SymbolizerScope { ~SymbolizerScope() { ExitSymbolizer(); } }; -void GetStackTrace(BufferedStackTrace *stack, uptr max_s, uptr pc, uptr bp, - void *context, bool request_fast_unwind); - // Returns a "chained" origin id, pointing to the given stack trace followed by // the previous origin id. u32 ChainOrigin(u32 id, StackTrace *stack); @@ -115,16 +115,15 @@ const int STACK_TRACE_TAG_POISON = StackTrace::TAG_CUSTOM + 1; #define GET_MALLOC_STACK_TRACE \ BufferedStackTrace stack; \ - if (hwasan_inited) \ - GetStackTrace(&stack, common_flags()->malloc_context_size, \ - StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(), nullptr, \ - common_flags()->fast_unwind_on_malloc) + if (hwasan_inited) \ + stack.Unwind(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(), \ + nullptr, common_flags()->fast_unwind_on_malloc, \ + common_flags()->malloc_context_size) #define GET_FATAL_STACK_TRACE_PC_BP(pc, bp) \ BufferedStackTrace stack; \ - if (hwasan_inited) \ - GetStackTrace(&stack, kStackTraceMax, pc, bp, nullptr, \ - common_flags()->fast_unwind_on_fatal) + if (hwasan_inited) \ + stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal) #define GET_FATAL_STACK_TRACE_HERE \ GET_FATAL_STACK_TRACE_PC_BP(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME()) |