diff options
| author | Marcin Koscielnicki <koriakin@0x04.net> | 2016-06-17 20:24:32 +0000 |
|---|---|---|
| committer | Marcin Koscielnicki <koriakin@0x04.net> | 2016-06-17 20:24:32 +0000 |
| commit | 6b6b472dd8c46fe4e0b3d89bf67d837a2c0ae604 (patch) | |
| tree | a00445c12d08545bc626680e30a893d63286b5fe /lib/sanitizer_common/sanitizer_linux_libcdep.cc | |
| parent | 71b76cfb480bbff4a03122c7abc417f53c81317c (diff) | |
[sanitizer] [SystemZ] Enable TLS functionality.
This enables TLS knowledge for s390 in sanitizers.
Differential Revision: http://reviews.llvm.org/D19594
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@273040 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_linux_libcdep.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_linux_libcdep.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/sanitizer_common/sanitizer_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_linux_libcdep.cc index 7fb74004e..a37bdf118 100644 --- a/lib/sanitizer_common/sanitizer_linux_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_linux_libcdep.cc @@ -187,7 +187,7 @@ void InitTlsSize() { } #endif // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO #if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) \ - || defined(__aarch64__) || defined(__powerpc64__)) \ + || defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__)) \ && SANITIZER_LINUX && !SANITIZER_ANDROID // sizeof(struct pthread) from glibc. static atomic_uintptr_t kThreadDescriptorSize; @@ -249,6 +249,9 @@ uptr ThreadDescriptorSize() { val = 1776; // from glibc.ppc64le 2.20-8.fc21 atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed); return val; +#elif defined(__s390__) + val = FIRST_32_SECOND_64(1152, 1776); // valid for glibc 2.22 + atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed); #endif return 0; } @@ -296,7 +299,7 @@ uptr ThreadSelf() { rdhwr %0,$29;\ .set pop" : "=r" (thread_pointer)); descr_addr = thread_pointer - kTlsTcbOffset - TlsPreTcbSize(); -# elif defined(__aarch64__) +# elif defined(__aarch64__) || defined(__s390__) descr_addr = reinterpret_cast<uptr>(__builtin_thread_pointer()); # elif defined(__powerpc64__) // PPC64LE uses TLS variant I. The thread pointer (in GPR 13) @@ -337,7 +340,7 @@ uptr ThreadSelf() { #if !SANITIZER_GO static void GetTls(uptr *addr, uptr *size) { #if SANITIZER_LINUX && !SANITIZER_ANDROID -# if defined(__x86_64__) || defined(__i386__) +# if defined(__x86_64__) || defined(__i386__) || defined(__s390__) *addr = ThreadSelf(); *size = GetTlsSize(); *addr -= *size; |