tsan: Rename lib/tsan to lib/libtsan.

For consistency with other vendored C/C++ libraries.

1 files changed, 0 insertions, 258 deletions

diff --git a/lib/tsan/tsan_interface_java.cpp b/lib/tsan/tsan_interface_java.cpp
deleted file mode 100644
index 7c15a16388..0000000000
--- a/lib/tsan/tsan_interface_java.cpp
+++ /dev/null
@@ -1,258 +0,0 @@
-//===-- tsan_interface_java.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
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of ThreadSanitizer (TSan), a race detector.
-//
-//===----------------------------------------------------------------------===//
-
-#include "tsan_interface_java.h"
-#include "tsan_rtl.h"
-#include "sanitizer_common/sanitizer_internal_defs.h"
-#include "sanitizer_common/sanitizer_common.h"
-#include "sanitizer_common/sanitizer_placement_new.h"
-#include "sanitizer_common/sanitizer_stacktrace.h"
-#include "sanitizer_common/sanitizer_procmaps.h"
-
-using namespace __tsan;
-
-const jptr kHeapAlignment = 8;
-
-namespace __tsan {
-
-struct JavaContext {
-  const uptr heap_begin;
-  const uptr heap_size;
-
-  JavaContext(jptr heap_begin, jptr heap_size)
-      : heap_begin(heap_begin)
-      , heap_size(heap_size) {
-  }
-};
-
-static u64 jctx_buf[sizeof(JavaContext) / sizeof(u64) + 1];
-static JavaContext *jctx;
-
-MBlock *JavaHeapBlock(uptr addr, uptr *start) {
-  if (!jctx || addr < jctx->heap_begin ||
-      addr >= jctx->heap_begin + jctx->heap_size)
-    return nullptr;
-  for (uptr p = RoundDown(addr, kMetaShadowCell); p >= jctx->heap_begin;
-       p -= kMetaShadowCell) {
-    MBlock *b = ctx->metamap.GetBlock(p);
-    if (!b)
-      continue;
-    if (p + b->siz <= addr)
-      return nullptr;
-    *start = p;
-    return b;
-  }
-  return nullptr;
-}
-
-}  // namespace __tsan
-
-#define JAVA_FUNC_ENTER(func)      \
-  ThreadState *thr = cur_thread(); \
-  (void)thr;
-
-void __tsan_java_init(jptr heap_begin, jptr heap_size) {
-  JAVA_FUNC_ENTER(__tsan_java_init);
-  Initialize(thr);
-  DPrintf("#%d: java_init(0x%zx, 0x%zx)\n", thr->tid, heap_begin, heap_size);
-  DCHECK_EQ(jctx, 0);
-  DCHECK_GT(heap_begin, 0);
-  DCHECK_GT(heap_size, 0);
-  DCHECK_EQ(heap_begin % kHeapAlignment, 0);
-  DCHECK_EQ(heap_size % kHeapAlignment, 0);
-  DCHECK_LT(heap_begin, heap_begin + heap_size);
-  jctx = new(jctx_buf) JavaContext(heap_begin, heap_size);
-}
-
-int  __tsan_java_fini() {
-  JAVA_FUNC_ENTER(__tsan_java_fini);
-  DPrintf("#%d: java_fini()\n", thr->tid);
-  DCHECK_NE(jctx, 0);
-  // FIXME(dvyukov): this does not call atexit() callbacks.
-  int status = Finalize(thr);
-  DPrintf("#%d: java_fini() = %d\n", thr->tid, status);
-  return status;
-}
-
-void __tsan_java_alloc(jptr ptr, jptr size) {
-  JAVA_FUNC_ENTER(__tsan_java_alloc);
-  DPrintf("#%d: java_alloc(0x%zx, 0x%zx)\n", thr->tid, ptr, size);
-  DCHECK_NE(jctx, 0);
-  DCHECK_NE(size, 0);
-  DCHECK_EQ(ptr % kHeapAlignment, 0);
-  DCHECK_EQ(size % kHeapAlignment, 0);
-  DCHECK_GE(ptr, jctx->heap_begin);
-  DCHECK_LE(ptr + size, jctx->heap_begin + jctx->heap_size);
-
-  OnUserAlloc(thr, 0, ptr, size, false);
-}
-
-void __tsan_java_free(jptr ptr, jptr size) {
-  JAVA_FUNC_ENTER(__tsan_java_free);
-  DPrintf("#%d: java_free(0x%zx, 0x%zx)\n", thr->tid, ptr, size);
-  DCHECK_NE(jctx, 0);
-  DCHECK_NE(size, 0);
-  DCHECK_EQ(ptr % kHeapAlignment, 0);
-  DCHECK_EQ(size % kHeapAlignment, 0);
-  DCHECK_GE(ptr, jctx->heap_begin);
-  DCHECK_LE(ptr + size, jctx->heap_begin + jctx->heap_size);
-
-  ctx->metamap.FreeRange(thr->proc(), ptr, size, false);
-}
-
-void __tsan_java_move(jptr src, jptr dst, jptr size) {
-  JAVA_FUNC_ENTER(__tsan_java_move);
-  DPrintf("#%d: java_move(0x%zx, 0x%zx, 0x%zx)\n", thr->tid, src, dst, size);
-  DCHECK_NE(jctx, 0);
-  DCHECK_NE(size, 0);
-  DCHECK_EQ(src % kHeapAlignment, 0);
-  DCHECK_EQ(dst % kHeapAlignment, 0);
-  DCHECK_EQ(size % kHeapAlignment, 0);
-  DCHECK_GE(src, jctx->heap_begin);
-  DCHECK_LE(src + size, jctx->heap_begin + jctx->heap_size);
-  DCHECK_GE(dst, jctx->heap_begin);
-  DCHECK_LE(dst + size, jctx->heap_begin + jctx->heap_size);
-  DCHECK_NE(dst, src);
-  DCHECK_NE(size, 0);
-
-  // Assuming it's not running concurrently with threads that do
-  // memory accesses and mutex operations (stop-the-world phase).
-  ctx->metamap.MoveMemory(src, dst, size);
-
-  // Clear the destination shadow range.
-  // We used to move shadow from src to dst, but the trace format does not
-  // support that anymore as it contains addresses of accesses.
-  RawShadow *d = MemToShadow(dst);
-  RawShadow *dend = MemToShadow(dst + size);
-  ShadowSet(d, dend, Shadow::kEmpty);
-}
-
-jptr __tsan_java_find(jptr *from_ptr, jptr to) {
-  JAVA_FUNC_ENTER(__tsan_java_find);
-  DPrintf("#%d: java_find(&0x%zx, 0x%zx)\n", thr->tid, *from_ptr, to);
-  DCHECK_EQ((*from_ptr) % kHeapAlignment, 0);
-  DCHECK_EQ(to % kHeapAlignment, 0);
-  DCHECK_GE(*from_ptr, jctx->heap_begin);
-  DCHECK_LE(to, jctx->heap_begin + jctx->heap_size);
-  for (uptr from = *from_ptr; from < to; from += kHeapAlignment) {
-    MBlock *b = ctx->metamap.GetBlock(from);
-    if (b) {
-      *from_ptr = from;
-      return b->siz;
-    }
-  }
-  return 0;
-}
-
-void __tsan_java_finalize() {
-  JAVA_FUNC_ENTER(__tsan_java_finalize);
-  DPrintf("#%d: java_finalize()\n", thr->tid);
-  AcquireGlobal(thr);
-}
-
-void __tsan_java_mutex_lock(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_mutex_lock);
-  DPrintf("#%d: java_mutex_lock(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  MutexPostLock(thr, 0, addr,
-                MutexFlagLinkerInit | MutexFlagWriteReentrant |
-                    MutexFlagDoPreLockOnPostLock);
-}
-
-void __tsan_java_mutex_unlock(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_mutex_unlock);
-  DPrintf("#%d: java_mutex_unlock(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  MutexUnlock(thr, 0, addr);
-}
-
-void __tsan_java_mutex_read_lock(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_mutex_read_lock);
-  DPrintf("#%d: java_mutex_read_lock(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  MutexPostReadLock(thr, 0, addr,
-                    MutexFlagLinkerInit | MutexFlagWriteReentrant |
-                        MutexFlagDoPreLockOnPostLock);
-}
-
-void __tsan_java_mutex_read_unlock(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_mutex_read_unlock);
-  DPrintf("#%d: java_mutex_read_unlock(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  MutexReadUnlock(thr, 0, addr);
-}
-
-void __tsan_java_mutex_lock_rec(jptr addr, int rec) {
-  JAVA_FUNC_ENTER(__tsan_java_mutex_lock_rec);
-  DPrintf("#%d: java_mutex_lock_rec(0x%zx, %d)\n", thr->tid, addr, rec);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-  DCHECK_GT(rec, 0);
-
-  MutexPostLock(thr, 0, addr,
-                MutexFlagLinkerInit | MutexFlagWriteReentrant |
-                    MutexFlagDoPreLockOnPostLock | MutexFlagRecursiveLock,
-                rec);
-}
-
-int __tsan_java_mutex_unlock_rec(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_mutex_unlock_rec);
-  DPrintf("#%d: java_mutex_unlock_rec(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  return MutexUnlock(thr, 0, addr, MutexFlagRecursiveUnlock);
-}
-
-void __tsan_java_acquire(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_acquire);
-  DPrintf("#%d: java_acquire(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  Acquire(thr, 0, addr);
-}
-
-void __tsan_java_release(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_release);
-  DPrintf("#%d: java_release(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  Release(thr, 0, addr);
-}
-
-void __tsan_java_release_store(jptr addr) {
-  JAVA_FUNC_ENTER(__tsan_java_release);
-  DPrintf("#%d: java_release_store(0x%zx)\n", thr->tid, addr);
-  DCHECK_NE(jctx, 0);
-  DCHECK_GE(addr, jctx->heap_begin);
-  DCHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
-
-  ReleaseStore(thr, 0, addr);
-}