[compiler-rt] r333025 - [asan] Use dynamic allocator space address on Android/AArch64.

[Evgeniy Stepanov via llvm-commits]

Author: eugenis
Date: Tue May 22 13:44:45 2018
New Revision: 333025

URL: http://llvm.org/viewvc/llvm-project?rev=333025&view=rev
Log:
[asan] Use dynamic allocator space address on Android/AArch64.

Summary:
We need one library to support all of 39, 42 and 48 bit VMAs, and
there is no common address that works for all of them.

Reviewers: kcc, alekseyshl, javed.absar

Subscribers: rengolin, srhines, kubamracek, kristof.beyls, llvm-commits, cryptoad

Differential Revision: https://reviews.llvm.org/D47160

Modified:
    compiler-rt/trunk/lib/asan/asan_allocator.h

Modified: compiler-rt/trunk/lib/asan/asan_allocator.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_allocator.h?rev=333025&r1=333024&r2=333025&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_allocator.h (original)
+++ compiler-rt/trunk/lib/asan/asan_allocator.h Tue May 22 13:44:45 2018
@@ -129,7 +129,8 @@ const uptr kAllocatorSpace = ~(uptr)0;
 const uptr kAllocatorSize  =  0x20000000000ULL;  // 2T.
 typedef DefaultSizeClassMap SizeClassMap;
 # elif defined(__aarch64__) && SANITIZER_ANDROID
-const uptr kAllocatorSpace =  0x3000000000ULL;
+// 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__)