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[hwasan] Add config for AArch64 Linux with 39-bit VA. (#170927)

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This is leveraging work which has already been done for Android, which
ships 39-bit VA kernels, and extending it to other embedded Linux
targets.

(SANITIZER_AARCH64_39BIT_VA was added in 58c8f57681.)
This commit is contained in:
Eli Friedman 2025-12-08 13:58:07 -08:00 committed by GitHub
parent b71eb53cd4
commit c3acafcda2
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1 changed files with 2 additions and 1 deletions
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compiler-rt/lib/hwasan/hwasan_allocator.h
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@ -74,7 +74,8 @@ struct AP64 {
#if defined(HWASAN_ALIASING_MODE)
static const uptr kSpaceSize = 1ULL << kAddressTagShift;
typedef __sanitizer::DefaultSizeClassMap SizeClassMap;
#elif SANITIZER_LINUX && !SANITIZER_ANDROID
#elif SANITIZER_LINUX && !SANITIZER_ANDROID && \
!defined(SANITIZER_AARCH64_39BIT_VA)
static const uptr kSpaceSize = 0x40000000000ULL; // 4T.
typedef __sanitizer::DefaultSizeClassMap SizeClassMap;
#else