ydb-oss sync: add clang16-rt/ to additionalPathsToCopy

1 files changed, 330 insertions, 0 deletions

diff --git a/contrib/libs/clang16-rt/lib/tsan/dd/dd_interceptors.cpp b/contrib/libs/clang16-rt/lib/tsan/dd/dd_interceptors.cpp
new file mode 100644
index 0000000000..2c36f691ec
--- /dev/null
+++ b/contrib/libs/clang16-rt/lib/tsan/dd/dd_interceptors.cpp
@@ -0,0 +1,330 @@
+//===-- dd_interceptors.cpp -----------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include <pthread.h>
+
+#include "dd_rtl.h"
+#include "interception/interception.h"
+#include "sanitizer_common/sanitizer_allocator_internal.h"
+#include "sanitizer_common/sanitizer_procmaps.h"
+
+using namespace __dsan;
+
+__attribute__((tls_model("initial-exec")))
+static __thread Thread *thr;
+__attribute__((tls_model("initial-exec")))
+static __thread volatile int initing;
+static bool inited;
+static uptr g_data_start;
+static uptr g_data_end;
+
+static bool InitThread() {
+  if (initing)
+    return false;
+  if (thr != 0)
+    return true;
+  initing = true;
+  if (!inited) {
+    inited = true;
+    Initialize();
+  }
+  thr = (Thread*)InternalAlloc(sizeof(*thr));
+  internal_memset(thr, 0, sizeof(*thr));
+  ThreadInit(thr);
+  initing = false;
+  return true;
+}
+
+INTERCEPTOR(int, pthread_mutex_destroy, pthread_mutex_t *m) {
+  InitThread();
+  MutexDestroy(thr, (uptr)m);
+  return REAL(pthread_mutex_destroy)(m);
+}
+
+INTERCEPTOR(int, pthread_mutex_lock, pthread_mutex_t *m) {
+  InitThread();
+  MutexBeforeLock(thr, (uptr)m, true);
+  int res = REAL(pthread_mutex_lock)(m);
+  MutexAfterLock(thr, (uptr)m, true, false);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_mutex_trylock, pthread_mutex_t *m) {
+  InitThread();
+  int res = REAL(pthread_mutex_trylock)(m);
+  if (res == 0)
+    MutexAfterLock(thr, (uptr)m, true, true);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_mutex_unlock, pthread_mutex_t *m) {
+  InitThread();
+  MutexBeforeUnlock(thr, (uptr)m, true);
+  return REAL(pthread_mutex_unlock)(m);
+}
+
+INTERCEPTOR(int, pthread_spin_destroy, pthread_spinlock_t *m) {
+  InitThread();
+  int res = REAL(pthread_spin_destroy)(m);
+  MutexDestroy(thr, (uptr)m);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_spin_lock, pthread_spinlock_t *m) {
+  InitThread();
+  MutexBeforeLock(thr, (uptr)m, true);
+  int res = REAL(pthread_spin_lock)(m);
+  MutexAfterLock(thr, (uptr)m, true, false);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_spin_trylock, pthread_spinlock_t *m) {
+  InitThread();
+  int res = REAL(pthread_spin_trylock)(m);
+  if (res == 0)
+    MutexAfterLock(thr, (uptr)m, true, true);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_spin_unlock, pthread_spinlock_t *m) {
+  InitThread();
+  MutexBeforeUnlock(thr, (uptr)m, true);
+  return REAL(pthread_spin_unlock)(m);
+}
+
+INTERCEPTOR(int, pthread_rwlock_destroy, pthread_rwlock_t *m) {
+  InitThread();
+  MutexDestroy(thr, (uptr)m);
+  return REAL(pthread_rwlock_destroy)(m);
+}
+
+INTERCEPTOR(int, pthread_rwlock_rdlock, pthread_rwlock_t *m) {
+  InitThread();
+  MutexBeforeLock(thr, (uptr)m, false);
+  int res = REAL(pthread_rwlock_rdlock)(m);
+  MutexAfterLock(thr, (uptr)m, false, false);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_rwlock_tryrdlock, pthread_rwlock_t *m) {
+  InitThread();
+  int res = REAL(pthread_rwlock_tryrdlock)(m);
+  if (res == 0)
+    MutexAfterLock(thr, (uptr)m, false, true);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_rwlock_timedrdlock, pthread_rwlock_t *m,
+    const timespec *abstime) {
+  InitThread();
+  int res = REAL(pthread_rwlock_timedrdlock)(m, abstime);
+  if (res == 0)
+    MutexAfterLock(thr, (uptr)m, false, true);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_rwlock_wrlock, pthread_rwlock_t *m) {
+  InitThread();
+  MutexBeforeLock(thr, (uptr)m, true);
+  int res = REAL(pthread_rwlock_wrlock)(m);
+  MutexAfterLock(thr, (uptr)m, true, false);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_rwlock_trywrlock, pthread_rwlock_t *m) {
+  InitThread();
+  int res = REAL(pthread_rwlock_trywrlock)(m);
+  if (res == 0)
+    MutexAfterLock(thr, (uptr)m, true, true);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_rwlock_timedwrlock, pthread_rwlock_t *m,
+    const timespec *abstime) {
+  InitThread();
+  int res = REAL(pthread_rwlock_timedwrlock)(m, abstime);
+  if (res == 0)
+    MutexAfterLock(thr, (uptr)m, true, true);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_rwlock_unlock, pthread_rwlock_t *m) {
+  InitThread();
+  MutexBeforeUnlock(thr, (uptr)m, true);  // note: not necessary write unlock
+  return REAL(pthread_rwlock_unlock)(m);
+}
+
+static pthread_cond_t *init_cond(pthread_cond_t *c, bool force = false) {
+  atomic_uintptr_t *p = (atomic_uintptr_t*)c;
+  uptr cond = atomic_load(p, memory_order_acquire);
+  if (!force && cond != 0)
+    return (pthread_cond_t*)cond;
+  void *newcond = InternalAlloc(sizeof(pthread_cond_t));
+  internal_memset(newcond, 0, sizeof(pthread_cond_t));
+  if (atomic_compare_exchange_strong(p, &cond, (uptr)newcond,
+      memory_order_acq_rel))
+    return (pthread_cond_t*)newcond;
+  InternalFree(newcond);
+  return (pthread_cond_t*)cond;
+}
+
+INTERCEPTOR(int, pthread_cond_init, pthread_cond_t *c,
+    const pthread_condattr_t *a) {
+  InitThread();
+  pthread_cond_t *cond = init_cond(c, true);
+  return REAL(pthread_cond_init)(cond, a);
+}
+
+INTERCEPTOR(int, pthread_cond_wait, pthread_cond_t *c, pthread_mutex_t *m) {
+  InitThread();
+  pthread_cond_t *cond = init_cond(c);
+  MutexBeforeUnlock(thr, (uptr)m, true);
+  MutexBeforeLock(thr, (uptr)m, true);
+  int res = REAL(pthread_cond_wait)(cond, m);
+  MutexAfterLock(thr, (uptr)m, true, false);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_cond_timedwait, pthread_cond_t *c, pthread_mutex_t *m,
+    const timespec *abstime) {
+  InitThread();
+  pthread_cond_t *cond = init_cond(c);
+  MutexBeforeUnlock(thr, (uptr)m, true);
+  MutexBeforeLock(thr, (uptr)m, true);
+  int res = REAL(pthread_cond_timedwait)(cond, m, abstime);
+  MutexAfterLock(thr, (uptr)m, true, false);
+  return res;
+}
+
+INTERCEPTOR(int, pthread_cond_signal, pthread_cond_t *c) {
+  InitThread();
+  pthread_cond_t *cond = init_cond(c);
+  return REAL(pthread_cond_signal)(cond);
+}
+
+INTERCEPTOR(int, pthread_cond_broadcast, pthread_cond_t *c) {
+  InitThread();
+  pthread_cond_t *cond = init_cond(c);
+  return REAL(pthread_cond_broadcast)(cond);
+}
+
+INTERCEPTOR(int, pthread_cond_destroy, pthread_cond_t *c) {
+  InitThread();
+  pthread_cond_t *cond = init_cond(c);
+  int res = REAL(pthread_cond_destroy)(cond);
+  InternalFree(cond);
+  atomic_store((atomic_uintptr_t*)c, 0, memory_order_relaxed);
+  return res;
+}
+
+// for symbolizer
+INTERCEPTOR(char*, realpath, const char *path, char *resolved_path) {
+  InitThread();
+  return REAL(realpath)(path, resolved_path);
+}
+
+INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) {
+  InitThread();
+  return REAL(read)(fd, ptr, count);
+}
+
+INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) {
+  InitThread();
+  return REAL(pread)(fd, ptr, count, offset);
+}
+
+extern "C" {
+void __dsan_before_mutex_lock(uptr m, int writelock) {
+  if (!InitThread())
+    return;
+  MutexBeforeLock(thr, m, writelock);
+}
+
+void __dsan_after_mutex_lock(uptr m, int writelock, int trylock) {
+  if (!InitThread())
+    return;
+  MutexAfterLock(thr, m, writelock, trylock);
+}
+
+void __dsan_before_mutex_unlock(uptr m, int writelock) {
+  if (!InitThread())
+    return;
+  MutexBeforeUnlock(thr, m, writelock);
+}
+
+void __dsan_mutex_destroy(uptr m) {
+  if (!InitThread())
+    return;
+  // if (m >= g_data_start && m < g_data_end)
+  //   return;
+  MutexDestroy(thr, m);
+}
+}  // extern "C"
+
+namespace __dsan {
+
+static void InitDataSeg() {
+  MemoryMappingLayout proc_maps(true);
+  char name[128];
+  MemoryMappedSegment segment(name, ARRAY_SIZE(name));
+  bool prev_is_data = false;
+  while (proc_maps.Next(&segment)) {
+    bool is_data = segment.offset != 0 && segment.filename[0] != 0;
+    // BSS may get merged with [heap] in /proc/self/maps. This is not very
+    // reliable.
+    bool is_bss = segment.offset == 0 &&
+                  (segment.filename[0] == 0 ||
+                   internal_strcmp(segment.filename, "[heap]") == 0) &&
+                  prev_is_data;
+    if (g_data_start == 0 && is_data) g_data_start = segment.start;
+    if (is_bss) g_data_end = segment.end;
+    prev_is_data = is_data;
+  }
+  VPrintf(1, "guessed data_start=0x%zx data_end=0x%zx\n", g_data_start,
+          g_data_end);
+  CHECK_LT(g_data_start, g_data_end);
+  CHECK_GE((uptr)&g_data_start, g_data_start);
+  CHECK_LT((uptr)&g_data_start, g_data_end);
+}
+
+void InitializeInterceptors() {
+  INTERCEPT_FUNCTION(pthread_mutex_destroy);
+  INTERCEPT_FUNCTION(pthread_mutex_lock);
+  INTERCEPT_FUNCTION(pthread_mutex_trylock);
+  INTERCEPT_FUNCTION(pthread_mutex_unlock);
+
+  INTERCEPT_FUNCTION(pthread_spin_destroy);
+  INTERCEPT_FUNCTION(pthread_spin_lock);
+  INTERCEPT_FUNCTION(pthread_spin_trylock);
+  INTERCEPT_FUNCTION(pthread_spin_unlock);
+
+  INTERCEPT_FUNCTION(pthread_rwlock_destroy);
+  INTERCEPT_FUNCTION(pthread_rwlock_rdlock);
+  INTERCEPT_FUNCTION(pthread_rwlock_tryrdlock);
+  INTERCEPT_FUNCTION(pthread_rwlock_timedrdlock);
+  INTERCEPT_FUNCTION(pthread_rwlock_wrlock);
+  INTERCEPT_FUNCTION(pthread_rwlock_trywrlock);
+  INTERCEPT_FUNCTION(pthread_rwlock_timedwrlock);
+  INTERCEPT_FUNCTION(pthread_rwlock_unlock);
+
+  INTERCEPT_FUNCTION_VER(pthread_cond_init, "GLIBC_2.3.2");
+  INTERCEPT_FUNCTION_VER(pthread_cond_signal, "GLIBC_2.3.2");
+  INTERCEPT_FUNCTION_VER(pthread_cond_broadcast, "GLIBC_2.3.2");
+  INTERCEPT_FUNCTION_VER(pthread_cond_wait, "GLIBC_2.3.2");
+  INTERCEPT_FUNCTION_VER(pthread_cond_timedwait, "GLIBC_2.3.2");
+  INTERCEPT_FUNCTION_VER(pthread_cond_destroy, "GLIBC_2.3.2");
+
+  // for symbolizer
+  INTERCEPT_FUNCTION(realpath);
+  INTERCEPT_FUNCTION(read);
+  INTERCEPT_FUNCTION(pread);
+
+  InitDataSeg();
+}
+
+}  // namespace __dsan