diff options
Diffstat (limited to 'libsanitizer')
-rw-r--r-- | libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp b/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp index d966d85..620267c 100644 --- a/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp +++ b/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp @@ -462,7 +462,11 @@ static void GetTls(uptr *addr, uptr *size) { #elif SANITIZER_GLIBC && defined(__x86_64__) // For aarch64 and x86-64, use an O(1) approach which requires relatively // precise ThreadDescriptorSize. g_tls_size was initialized in InitTlsSize. +# if SANITIZER_X32 + asm("mov %%fs:8,%0" : "=r"(*addr)); +# else asm("mov %%fs:16,%0" : "=r"(*addr)); +# endif *size = g_tls_size; *addr -= *size; *addr += ThreadDescriptorSize(); |