[compiler-rt] e3fe203 - Revert "[lsan] Share platform allocator settings between ASan and LSan"

Petr Hosek via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 16 13:48:52 PDT 2020


Author: Petr Hosek
Date: 2020-09-16T13:48:19-07:00
New Revision: e3fe203ec7f766ad6028144d266557b0d89b77fe

URL: https://github.com/llvm/llvm-project/commit/e3fe203ec7f766ad6028144d266557b0d89b77fe
DIFF: https://github.com/llvm/llvm-project/commit/e3fe203ec7f766ad6028144d266557b0d89b77fe.diff

LOG: Revert "[lsan] Share platform allocator settings between ASan and LSan"

This reverts commit c57df3dc09e8b59c55c83ba5c354569a82a5c3b8 which broke
Windows sanitizer bots.

Added: 
    

Modified: 
    compiler-rt/lib/asan/asan_allocator.h
    compiler-rt/lib/lsan/lsan_allocator.h
    compiler-rt/lib/sanitizer_common/sanitizer_allocator.h

Removed: 
    


################################################################################
diff  --git a/compiler-rt/lib/asan/asan_allocator.h b/compiler-rt/lib/asan/asan_allocator.h
index 4d4a7f1b135c..612799f90964 100644
--- a/compiler-rt/lib/asan/asan_allocator.h
+++ b/compiler-rt/lib/asan/asan_allocator.h
@@ -118,13 +118,43 @@ struct AsanMapUnmapCallback {
   void OnUnmap(uptr p, uptr size) const;
 };
 
-using SizeClassMap = __sanitizer::AllocatorSizeClassMap;
-
 #if SANITIZER_CAN_USE_ALLOCATOR64
+# if SANITIZER_FUCHSIA
+const uptr kAllocatorSpace = ~(uptr)0;
+const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
+typedef DefaultSizeClassMap SizeClassMap;
+# elif defined(__powerpc64__)
+const uptr kAllocatorSpace = ~(uptr)0;
+const uptr kAllocatorSize  =  0x20000000000ULL;  // 2T.
+typedef DefaultSizeClassMap SizeClassMap;
+# elif defined(__aarch64__) && SANITIZER_ANDROID
+// Android needs to support 39, 42 and 48 bit VMA.
+const uptr kAllocatorSpace =  ~(uptr)0;
+const uptr kAllocatorSize  =  0x2000000000ULL;  // 128G.
+typedef VeryCompactSizeClassMap SizeClassMap;
+# elif defined(__aarch64__)
+// AArch64/SANITIZER_CAN_USE_ALLOCATOR64 is only for 42-bit VMA
+// so no need to 
diff erent values for 
diff erent VMA.
+const uptr kAllocatorSpace =  0x10000000000ULL;
+const uptr kAllocatorSize  =  0x10000000000ULL;  // 3T.
+typedef DefaultSizeClassMap SizeClassMap;
+#elif defined(__sparc__)
+const uptr kAllocatorSpace = ~(uptr)0;
+const uptr kAllocatorSize = 0x20000000000ULL;  // 2T.
+typedef DefaultSizeClassMap SizeClassMap;
+# elif SANITIZER_WINDOWS
+const uptr kAllocatorSpace = ~(uptr)0;
+const uptr kAllocatorSize  =  0x8000000000ULL;  // 500G
+typedef DefaultSizeClassMap SizeClassMap;
+# else
+const uptr kAllocatorSpace = 0x600000000000ULL;
+const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
+typedef DefaultSizeClassMap SizeClassMap;
+# endif
 template <typename AddressSpaceViewTy>
 struct AP64 {  // Allocator64 parameters. Deliberately using a short name.
-  static const uptr kSpaceBeg = __sanitizer::kAllocatorSpace;
-  static const uptr kSpaceSize = __sanitizer::kAllocatorSize;
+  static const uptr kSpaceBeg = kAllocatorSpace;
+  static const uptr kSpaceSize = kAllocatorSize;
   static const uptr kMetadataSize = 0;
   typedef __asan::SizeClassMap SizeClassMap;
   typedef AsanMapUnmapCallback MapUnmapCallback;

diff  --git a/compiler-rt/lib/lsan/lsan_allocator.h b/compiler-rt/lib/lsan/lsan_allocator.h
index b820dd15ecdb..17e13cd014ba 100644
--- a/compiler-rt/lib/lsan/lsan_allocator.h
+++ b/compiler-rt/lib/lsan/lsan_allocator.h
@@ -49,21 +49,8 @@ struct ChunkMetadata {
   u32 stack_trace_id;
 };
 
-#if SANITIZER_CAN_USE_ALLOCATOR64
-template <typename AddressSpaceViewTy>
-struct AP64 {  // Allocator64 parameters. Deliberately using a short name.
-  static const uptr kSpaceBeg = __sanitizer::kAllocatorSpace;
-  static const uptr kSpaceSize = __sanitizer::kAllocatorSize;
-  static const uptr kMetadataSize = sizeof(ChunkMetadata);
-  typedef __sanitizer::AllocatorSizeClassMap SizeClassMap;
-  typedef NoOpMapUnmapCallback MapUnmapCallback;
-  static const uptr kFlags = 0;
-  using AddressSpaceView = AddressSpaceViewTy;
-};
-template <typename AddressSpaceView>
-using PrimaryAllocatorASVT = SizeClassAllocator64<AP64<AddressSpaceView>>;
-using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
-#else  // !SANITIZER_CAN_USE_ALLOCATOR64
+#if defined(__mips64) || defined(__aarch64__) || defined(__i386__) || \
+    defined(__arm__)
 template <typename AddressSpaceViewTy>
 struct AP32 {
   static const uptr kSpaceBeg = 0;
@@ -78,7 +65,35 @@ struct AP32 {
 template <typename AddressSpaceView>
 using PrimaryAllocatorASVT = SizeClassAllocator32<AP32<AddressSpaceView>>;
 using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
-#endif  // SANITIZER_CAN_USE_ALLOCATOR64
+#elif defined(__x86_64__) || defined(__powerpc64__) || defined(__s390x__)
+# if SANITIZER_FUCHSIA
+const uptr kAllocatorSpace = ~(uptr)0;
+const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
+# elif defined(__powerpc64__)
+const uptr kAllocatorSpace = 0xa0000000000ULL;
+const uptr kAllocatorSize  = 0x20000000000ULL;  // 2T.
+#elif defined(__s390x__)
+const uptr kAllocatorSpace = 0x40000000000ULL;
+const uptr kAllocatorSize = 0x40000000000ULL;  // 4T.
+# else
+const uptr kAllocatorSpace = 0x600000000000ULL;
+const uptr kAllocatorSize  = 0x40000000000ULL;  // 4T.
+# endif
+template <typename AddressSpaceViewTy>
+struct AP64 {  // Allocator64 parameters. Deliberately using a short name.
+  static const uptr kSpaceBeg = kAllocatorSpace;
+  static const uptr kSpaceSize = kAllocatorSize;
+  static const uptr kMetadataSize = sizeof(ChunkMetadata);
+  typedef DefaultSizeClassMap SizeClassMap;
+  typedef NoOpMapUnmapCallback MapUnmapCallback;
+  static const uptr kFlags = 0;
+  using AddressSpaceView = AddressSpaceViewTy;
+};
+
+template <typename AddressSpaceView>
+using PrimaryAllocatorASVT = SizeClassAllocator64<AP64<AddressSpaceView>>;
+using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
+#endif
 
 template <typename AddressSpaceView>
 using AllocatorASVT = CombinedAllocator<PrimaryAllocatorASVT<AddressSpaceView>>;

diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h b/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h
index dd792de1effa..23d589888d3b 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h
@@ -76,43 +76,6 @@ INLINE void RandomShuffle(T *a, u32 n, u32 *rand_state) {
 #include "sanitizer_allocator_secondary.h"
 #include "sanitizer_allocator_combined.h"
 
-// The platform-specific default parameters are shared by both
-// asan_allocator.h and lsan_allocator.h.
-#if SANITIZER_CAN_USE_ALLOCATOR64
-# if SANITIZER_FUCHSIA
-const uptr kAllocatorSpace = ~(uptr)0;
-const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
-using AllocatorSizeClassMap = DefaultSizeClassMap;
-# elif defined(__powerpc64__)
-const uptr kAllocatorSpace = ~(uptr)0;
-const uptr kAllocatorSize  =  0x20000000000ULL;  // 2T.
-using AllocatorSizeClassMap = DefaultSizeClassMap;
-# elif defined(__aarch64__) && SANITIZER_ANDROID
-// Android needs to support 39, 42 and 48 bit VMA.
-const uptr kAllocatorSpace =  ~(uptr)0;
-const uptr kAllocatorSize  =  0x2000000000ULL;  // 128G.
-using AllocatorSizeClassMap = VeryCompactSizeClassMap;
-# elif defined(__aarch64__)
-// AArch64/SANITIZER_CAN_USE_ALLOCATOR64 is only for 42-bit VMA
-// so no need to 
diff erent values for 
diff erent VMA.
-const uptr kAllocatorSpace =  0x10000000000ULL;
-const uptr kAllocatorSize  =  0x10000000000ULL;  // 3T.
-using AllocatorSizeClassMap = DefaultSizeClassMap;
-#elif defined(__sparc__)
-const uptr kAllocatorSpace = ~(uptr)0;
-const uptr kAllocatorSize = 0x20000000000ULL;  // 2T.
-using AllocatorSizeClassMap = DefaultSizeClassMap;
-# elif SANITIZER_WINDOWS
-const uptr kAllocatorSpace = ~(uptr)0;
-const uptr kAllocatorSize  =  0x8000000000ULL;  // 500G
-using AllocatorSizeClassMap = DefaultSizeClassMap;
-# else
-const uptr kAllocatorSpace = 0x600000000000ULL;
-const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
-using AllocatorSizeClassMap = DefaultSizeClassMap;
-# endif
-#endif  // SANITIZER_CAN_USE_ALLOCATOR64
-
 } // namespace __sanitizer
 
 #endif // SANITIZER_ALLOCATOR_H


        


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