static inline void DTLS_Deallocate(DTLS::DTV *dtv, uptr size) {
if (!size) return;
- VPrintf(2, "__tls_get_addr: DTLS_Deallocate %p %zd\n", dtv, size);
+ VReport(2, "__tls_get_addr: DTLS_Deallocate %p %zd\n", dtv, size);
UnmapOrDie(dtv, size * sizeof(DTLS::DTV));
atomic_fetch_sub(&number_of_live_dtls, 1, memory_order_relaxed);
}
(DTLS::DTV *)MmapOrDie(new_size * sizeof(DTLS::DTV), "DTLS_Resize");
uptr num_live_dtls =
atomic_fetch_add(&number_of_live_dtls, 1, memory_order_relaxed);
- VPrintf(2, "__tls_get_addr: DTLS_Resize %p %zd\n", &dtls, num_live_dtls);
+ VReport(2, "__tls_get_addr: DTLS_Resize %p %zd\n", &dtls, num_live_dtls);
CHECK_LT(num_live_dtls, 1 << 20);
uptr old_dtv_size = dtls.dtv_size;
DTLS::DTV *old_dtv = dtls.dtv;
void DTLS_Destroy() {
if (!common_flags()->intercept_tls_get_addr) return;
- VPrintf(2, "__tls_get_addr: DTLS_Destroy %p %zd\n", &dtls, dtls.dtv_size);
+ VReport(2, "__tls_get_addr: DTLS_Destroy %p %zd\n", &dtls, dtls.dtv_size);
uptr s = dtls.dtv_size;
dtls.dtv_size = kDestroyedThread; // Do this before unmap for AS-safety.
DTLS_Deallocate(dtls.dtv, s);
if (dtls.dtv[dso_id].beg) return 0;
uptr tls_size = 0;
uptr tls_beg = reinterpret_cast<uptr>(res) - arg->offset - kDtvOffset;
- VPrintf(2, "__tls_get_addr: %p {%p,%p} => %p; tls_beg: %p; sp: %p "
+ VReport(2, "__tls_get_addr: %p {%p,%p} => %p; tls_beg: %p; sp: %p "
"num_live_dtls %zd\n",
arg, arg->dso_id, arg->offset, res, tls_beg, &tls_beg,
atomic_load(&number_of_live_dtls, memory_order_relaxed));
if (dtls.last_memalign_ptr == tls_beg) {
tls_size = dtls.last_memalign_size;
- VPrintf(2, "__tls_get_addr: glibc <=2.18 suspected; tls={%p,%p}\n",
+ VReport(2, "__tls_get_addr: glibc <=2.18 suspected; tls={%p,%p}\n",
tls_beg, tls_size);
} else if (tls_beg >= static_tls_begin && tls_beg < static_tls_end) {
// This is the static TLS block which was initialized / unpoisoned at thread
// creation.
- VPrintf(2, "__tls_get_addr: static tls: %p\n", tls_beg);
+ VReport(2, "__tls_get_addr: static tls: %p\n", tls_beg);
tls_size = 0;
} else if ((tls_beg % 4096) == sizeof(Glibc_2_19_tls_header)) {
// We may want to check gnu_get_libc_version().
Glibc_2_19_tls_header *header = (Glibc_2_19_tls_header *)tls_beg - 1;
tls_size = header->size;
tls_beg = header->start;
- VPrintf(2, "__tls_get_addr: glibc >=2.19 suspected; tls={%p %p}\n",
+ VReport(2, "__tls_get_addr: glibc >=2.19 suspected; tls={%p %p}\n",
tls_beg, tls_size);
} else {
- VPrintf(2, "__tls_get_addr: Can't guess glibc version\n");
+ VReport(2, "__tls_get_addr: Can't guess glibc version\n");
// This may happen inside the DTOR of main thread, so just ignore it.
tls_size = 0;
}
void DTLS_on_libc_memalign(void *ptr, uptr size) {
if (!common_flags()->intercept_tls_get_addr) return;
- VPrintf(2, "DTLS_on_libc_memalign: %p %p\n", ptr, size);
+ VReport(2, "DTLS_on_libc_memalign: %p %p\n", ptr, size);
dtls.last_memalign_ptr = reinterpret_cast<uptr>(ptr);
dtls.last_memalign_size = size;
}
DTLS *DTLS_Get() { return &dtls; }
+bool DTLSInDestruction(DTLS *dtls) {
+ return dtls->dtv_size == kDestroyedThread;
+}
+
#else
void DTLS_on_libc_memalign(void *ptr, uptr size) {}
DTLS::DTV *DTLS_on_tls_get_addr(void *arg, void *res) { return 0; }
DTLS *DTLS_Get() { return 0; }
void DTLS_Destroy() {}
+bool DTLSInDestruction(DTLS *dtls) {
+ UNREACHABLE("dtls is unsupported on this platform!");
+}
+
#endif // SANITIZER_INTERCEPT_TLS_GET_ADDR
} // namespace __sanitizer