diff options
| author | Maxim Ostapenko <chefmax7@gmail.com> | 2017-04-11 08:13:38 +0000 |
|---|---|---|
| committer | Maxim Ostapenko <chefmax7@gmail.com> | 2017-04-11 08:13:38 +0000 |
| commit | 77094f117908a9b2f3b2cb4ebe5dbf6c744a851d (patch) | |
| tree | dfb7edbdacf51c1c19728eeec5dce0d8e4f90840 /lib/sanitizer_common/sanitizer_linux_libcdep.cc | |
| parent | 769089a0ba7eaefe9d6670fa2c49850e50151364 (diff) | |
[lsan] Enable LSan for arm Linux
This patch enables LSan for arm Linux.
Differential Revision: https://reviews.llvm.org/D29586
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299923 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 | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/sanitizer_common/sanitizer_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_linux_libcdep.cc index a5e284025..6fde671f8 100644 --- a/lib/sanitizer_common/sanitizer_linux_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_linux_libcdep.cc @@ -183,8 +183,8 @@ void InitTlsSize() { } #endif // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO #if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) \ - || defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__)) \ - && SANITIZER_LINUX && !SANITIZER_ANDROID + || defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__) \ + || defined(__arm__)) && SANITIZER_LINUX && !SANITIZER_ANDROID // sizeof(struct pthread) from glibc. static atomic_uintptr_t kThreadDescriptorSize; @@ -192,14 +192,14 @@ uptr ThreadDescriptorSize() { uptr val = atomic_load(&kThreadDescriptorSize, memory_order_relaxed); if (val) return val; -#if defined(__x86_64__) || defined(__i386__) +#if defined(__x86_64__) || defined(__i386__) || defined(__arm__) #ifdef _CS_GNU_LIBC_VERSION char buf[64]; uptr len = confstr(_CS_GNU_LIBC_VERSION, buf, sizeof(buf)); if (len < sizeof(buf) && internal_strncmp(buf, "glibc 2.", 8) == 0) { char *end; int minor = internal_simple_strtoll(buf + 8, &end, 10); - if (end != buf + 8 && (*end == '\0' || *end == '.')) { + if (end != buf + 8 && (*end == '\0' || *end == '.' || *end == '-')) { int patch = 0; if (*end == '.') // strtoll will return 0 if no valid conversion could be performed @@ -208,6 +208,9 @@ uptr ThreadDescriptorSize() { /* sizeof(struct pthread) values from various glibc versions. */ if (SANITIZER_X32) val = 1728; // Assume only one particular version for x32. + // For ARM sizeof(struct pthread) changed in Glibc 2.23. + else if (SANITIZER_ARM) + val = minor <= 22 ? 1120 : 1216; else if (minor <= 3) val = FIRST_32_SECOND_64(1104, 1696); else if (minor == 4) @@ -293,7 +296,7 @@ uptr ThreadSelf() { rdhwr %0,$29;\ .set pop" : "=r" (thread_pointer)); descr_addr = thread_pointer - kTlsTcbOffset - TlsPreTcbSize(); -# elif defined(__aarch64__) +# elif defined(__aarch64__) || defined(__arm__) descr_addr = reinterpret_cast<uptr>(__builtin_thread_pointer()) - ThreadDescriptorSize(); # elif defined(__s390__) @@ -342,7 +345,8 @@ static void GetTls(uptr *addr, uptr *size) { *size = GetTlsSize(); *addr -= *size; *addr += ThreadDescriptorSize(); -# elif defined(__mips__) || defined(__aarch64__) || defined(__powerpc64__) +# elif defined(__mips__) || defined(__aarch64__) || defined(__powerpc64__) \ + || defined(__arm__) *addr = ThreadSelf(); *size = GetTlsSize(); # else |