diff options
Diffstat (limited to 'libsanitizer/sanitizer_common/sanitizer_posix.cc')
| -rw-r--r-- | libsanitizer/sanitizer_common/sanitizer_posix.cc | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/libsanitizer/sanitizer_common/sanitizer_posix.cc b/libsanitizer/sanitizer_common/sanitizer_posix.cc index 229870e00dc..adb1b2a9d68 100644 --- a/libsanitizer/sanitizer_common/sanitizer_posix.cc +++ b/libsanitizer/sanitizer_common/sanitizer_posix.cc @@ -76,16 +76,15 @@ static uptr GetKernelAreaSize() { uptr GetMaxVirtualAddress() { #if SANITIZER_WORDSIZE == 64 -# if defined(__powerpc64__) +# if defined(__powerpc64__) || defined(__aarch64__) // On PowerPC64 we have two different address space layouts: 44- and 46-bit. // We somehow need to figure out which one we are using now and choose // one of 0x00000fffffffffffUL and 0x00003fffffffffffUL. // Note that with 'ulimit -s unlimited' the stack is moved away from the top // of the address space, so simply checking the stack address is not enough. // This should (does) work for both PowerPC64 Endian modes. + // Similarly, aarch64 has multiple address space layouts: 39, 42 and 47-bit. return (1ULL << (MostSignificantSetBitIndex(GET_CURRENT_FRAME()) + 1)) - 1; -# elif defined(__aarch64__) - return (1ULL << 39) - 1; # elif defined(__mips64) return (1ULL << 40) - 1; # else |