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55bbe5301b
llvm-mirror/lib
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Andrew Browne 55bbe5301b [DFSan] Change shadow and origin memory layouts to match MSan. 
Previously on x86_64:

  +--------------------+ 0x800000000000 (top of memory)
  | application memory |
  +--------------------+ 0x700000008000 (kAppAddr)
  |                    |
  |       unused       |
  |                    |
  +--------------------+ 0x300000000000 (kUnusedAddr)
  |       origin       |
  +--------------------+ 0x200000008000 (kOriginAddr)
  |       unused       |
  +--------------------+ 0x200000000000
  |   shadow memory    |
  +--------------------+ 0x100000008000 (kShadowAddr)
  |       unused       |
  +--------------------+ 0x000000010000
  | reserved by kernel |
  +--------------------+ 0x000000000000

  MEM_TO_SHADOW(mem) = mem & ~0x600000000000
  SHADOW_TO_ORIGIN(shadow) = kOriginAddr - kShadowAddr + shadow

Now for x86_64:

  +--------------------+ 0x800000000000 (top of memory)
  |    application 3   |
  +--------------------+ 0x700000000000
  |      invalid       |
  +--------------------+ 0x610000000000
  |      origin 1      |
  +--------------------+ 0x600000000000
  |    application 2   |
  +--------------------+ 0x510000000000
  |      shadow 1      |
  +--------------------+ 0x500000000000
  |      invalid       |
  +--------------------+ 0x400000000000
  |      origin 3      |
  +--------------------+ 0x300000000000
  |      shadow 3      |
  +--------------------+ 0x200000000000
  |      origin 2      |
  +--------------------+ 0x110000000000
  |      invalid       |
  +--------------------+ 0x100000000000
  |      shadow 2      |
  +--------------------+ 0x010000000000
  |    application 1   |
  +--------------------+ 0x000000000000

  MEM_TO_SHADOW(mem) = mem ^ 0x500000000000
  SHADOW_TO_ORIGIN(shadow) = shadow + 0x100000000000

Reviewed By: stephan.yichao.zhao, gbalats

Differential Revision: https://reviews.llvm.org/D104896
2021-06-25 17:00:38 -07:00
..
Analysis [NFC] Prefer ConstantRange::makeExactICmpRegion over makeAllowedICmpRegion 2021-06-25 14:43:13 -07:00
AsmParser OpaquePtr: Reject 'ptr*' again when parsing textual IR 2021-06-25 15:18:44 -07:00
BinaryFormat [WebAssembly] Rename event to tag 2021-06-17 20:34:19 -07:00
Bitcode [OpaquePtr] Enumerate GlobalAlias value type 2021-06-25 21:21:10 +02:00
Bitstream
CodeGen [DAG] Fold neg(splat(neg(x)) -> splat(x) 2021-06-25 19:53:29 +01:00
DebugInfo [llvm] Rename StringRef _lower() method calls to _insensitive() 2021-06-25 00:22:01 +03:00
Demangle [Demangle][Rust] Hide implementation details NFC 2021-06-23 18:28:16 +02:00
DWARFLinker [MC] Refactor MCObjectFileInfo initialization and allow targets to create MCObjectFileInfo 2021-05-23 14:15:23 -07:00
ExecutionEngine [ORC][C-bindings] Add access to LLJIT IRTransformLayer, ThreadSafeModule utils. 2021-06-19 11:50:27 +10:00
Extensions
FileCheck [llvm] Rename StringRef _lower() method calls to _insensitive() 2021-06-25 00:22:01 +03:00
Frontend [OPENMP]Fix PR50129: omp cancel parallel not working as expected. 2021-06-04 08:24:55 -07:00
Fuzzer
FuzzMutate [FuzzMutate] Fix getWeight of InstDeleterIRStrategy 2021-06-08 11:14:33 -07:00
InterfaceStub
IR [IR] Add Type::isOpaquePointerTy() helper (NFC) 2021-06-25 20:56:59 +02:00
IRReader
LineEditor
Linker Linker: Avoid scheduling the link of a global value twice due to an alias 2021-04-28 13:22:10 -07:00
LTO [LTO] Support new PM in ThinLTOCodeGenerator. 2021-06-09 10:05:14 +01:00
MC [ms] [llvm-ml] Add support for ALIGN, EVEN, and ORG directives 2021-06-25 17:19:45 -04:00
MCA [MCA] [In-order pipeline] Fix for 0 latency instruction causing assertion to fail. 2021-06-22 10:18:39 -07:00
Object [AMDGPU] Add gfx1035 target 2021-06-24 14:32:41 -04:00
ObjectYAML [AMDGPU] Add gfx1035 target 2021-06-24 14:32:41 -04:00
Option [OptTable] Rename PrintHelp to printHelp 2021-06-24 14:47:03 -07:00
Passes [NewPM] Print passes with params when using "opt -print-passes" 2021-06-22 09:01:38 +02:00
ProfileData [llvm-cov] Enforce alignment of function records 2021-06-25 10:56:06 +02:00
Remarks [Support] Don't include VirtualFileSystem.h in CommandLine.h 2021-04-21 10:19:01 -04:00
Support [llvm] Rename StringRef _lower() method calls to _insensitive() 2021-06-25 00:22:01 +03:00
TableGen DetailedRecordsBackend.cpp - printSectionHeading - avoid std::string creation/copies. 2021-06-13 16:49:40 +01:00
Target [PowerPC] Disable combine 64-bit bswap(load) without LDBRX 2021-06-25 15:11:22 -05:00
Testing Fix for error "'Run' overrides a member function but is not marked 2021-06-11 06:56:00 -07:00
TextAPI Reland "[llvm] llvm-tapi-diff" 2021-06-09 21:17:34 -07:00
ToolDrivers [OptTable] Rename PrintHelp to printHelp 2021-06-24 14:47:03 -07:00
Transforms [DFSan] Change shadow and origin memory layouts to match MSan. 2021-06-25 17:00:38 -07:00
WindowsManifest
XRay
CMakeLists.txt