File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/compiler-rt/lib/tsan/rtl

usr / src / contrib / llvm-project / compiler-rt / lib / tsan / rtl /

📁 ..
📄 tsan.syms.extra(573 B)
📄 tsan_clock.cpp(20.28 KB)
📄 tsan_clock.h(9.25 KB)
📄 tsan_debugging.cpp(9.28 KB)
📄 tsan_defs.h(4.68 KB)
📄 tsan_dense_alloc.h(3.97 KB)
📄 tsan_dispatch_defs.h(2.18 KB)
📄 tsan_external.cpp(3.97 KB)
📄 tsan_fd.cpp(9.02 KB)
📄 tsan_fd.h(2.39 KB)
📄 tsan_flags.cpp(3.47 KB)
📄 tsan_flags.h(1.09 KB)
📄 tsan_flags.inc(4.29 KB)
📄 tsan_ignoreset.cpp(1.04 KB)
📄 tsan_ignoreset.h(958 B)
📄 tsan_interceptors.h(2.18 KB)
📄 tsan_interceptors_libdispatch.cpp(31.46 KB)
📄 tsan_interceptors_mac.cpp(20.28 KB)
📄 tsan_interceptors_mach_vm.cpp(2.02 KB)
📄 tsan_interceptors_posix.cpp(89.69 KB)
📄 tsan_interface.cpp(4.35 KB)
📄 tsan_interface.h(17.5 KB)
📄 tsan_interface_ann.cpp(16.46 KB)
📄 tsan_interface_ann.h(1.02 KB)
📄 tsan_interface_atomic.cpp(25.88 KB)
📄 tsan_interface_inl.h(3.53 KB)
📄 tsan_interface_java.cpp(7.89 KB)
📄 tsan_interface_java.h(4.19 KB)
📄 tsan_malloc_mac.cpp(3.45 KB)
📄 tsan_md5.cpp(6.9 KB)
📄 tsan_mman.cpp(12.08 KB)
📄 tsan_mman.h(2.61 KB)
📄 tsan_mutex.cpp(7.88 KB)
📄 tsan_mutex.h(1.92 KB)
📄 tsan_mutexset.cpp(2.01 KB)
📄 tsan_mutexset.h(1.88 KB)
📄 tsan_new_delete.cpp(6.72 KB)
📄 tsan_platform.h(33.68 KB)
📄 tsan_platform_linux.cpp(16.09 KB)
📄 tsan_platform_mac.cpp(11.81 KB)
📄 tsan_platform_posix.cpp(5.72 KB)
📄 tsan_platform_windows.cpp(922 B)
📄 tsan_ppc_regs.h(1.35 KB)
📄 tsan_preinit.cpp(1021 B)
📄 tsan_report.cpp(15.63 KB)
📄 tsan_report.h(2.79 KB)
📄 tsan_rtl.cpp(34.92 KB)
📄 tsan_rtl.h(28.13 KB)
📄 tsan_rtl_aarch64.S(5.63 KB)
📄 tsan_rtl_amd64.S(8.71 KB)
📄 tsan_rtl_mips64.S(3.69 KB)
📄 tsan_rtl_mutex.cpp(18.71 KB)
📄 tsan_rtl_ppc64.S(8.18 KB)
📄 tsan_rtl_proc.cpp(1.66 KB)
📄 tsan_rtl_report.cpp(23.51 KB)
📄 tsan_rtl_thread.cpp(13.82 KB)
📄 tsan_stack_trace.cpp(1.91 KB)
📄 tsan_stack_trace.h(1.27 KB)
📄 tsan_stat.cpp(12.23 KB)
📄 tsan_stat.h(4.22 KB)
📄 tsan_suppressions.cpp(5.42 KB)
📄 tsan_suppressions.h(1.32 KB)
📄 tsan_symbolize.cpp(3.85 KB)
📄 tsan_symbolize.h(897 B)
📄 tsan_sync.cpp(8.44 KB)
📄 tsan_sync.h(4.88 KB)
📄 tsan_trace.h(1.89 KB)
📄 tsan_update_shadow_word_inl.h(2.22 KB)

Editing: tsan_interface_java.cpp

//===-- 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 "tsan_mutex.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) {
  }
};

class ScopedJavaFunc {
 public:
  ScopedJavaFunc(ThreadState *thr, uptr pc)
      : thr_(thr) {
    Initialize(thr_);
    FuncEntry(thr, pc);
  }

~ScopedJavaFunc() {
    FuncExit(thr_);
    // FIXME(dvyukov): process pending signals.
  }

private:
  ThreadState *thr_;
};

static u64 jctx_buf[sizeof(JavaContext) / sizeof(u64) + 1];
static JavaContext *jctx;

}  // namespace __tsan

#define SCOPED_JAVA_FUNC(func) \
  ThreadState *thr = cur_thread(); \
  const uptr caller_pc = GET_CALLER_PC(); \
  const uptr pc = StackTrace::GetCurrentPc(); \
  (void)pc; \
  ScopedJavaFunc scoped(thr, caller_pc); \
/**/

void __tsan_java_init(jptr heap_begin, jptr heap_size) {
  SCOPED_JAVA_FUNC(__tsan_java_init);
  DPrintf("#%d: java_init(%p, %p)\n", thr->tid, heap_begin, heap_size);
  CHECK_EQ(jctx, 0);
  CHECK_GT(heap_begin, 0);
  CHECK_GT(heap_size, 0);
  CHECK_EQ(heap_begin % kHeapAlignment, 0);
  CHECK_EQ(heap_size % kHeapAlignment, 0);
  CHECK_LT(heap_begin, heap_begin + heap_size);
  jctx = new(jctx_buf) JavaContext(heap_begin, heap_size);
}

int  __tsan_java_fini() {
  SCOPED_JAVA_FUNC(__tsan_java_fini);
  DPrintf("#%d: java_fini()\n", thr->tid);
  CHECK_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) {
  SCOPED_JAVA_FUNC(__tsan_java_alloc);
  DPrintf("#%d: java_alloc(%p, %p)\n", thr->tid, ptr, size);
  CHECK_NE(jctx, 0);
  CHECK_NE(size, 0);
  CHECK_EQ(ptr % kHeapAlignment, 0);
  CHECK_EQ(size % kHeapAlignment, 0);
  CHECK_GE(ptr, jctx->heap_begin);
  CHECK_LE(ptr + size, jctx->heap_begin + jctx->heap_size);

OnUserAlloc(thr, pc, ptr, size, false);
}

void __tsan_java_free(jptr ptr, jptr size) {
  SCOPED_JAVA_FUNC(__tsan_java_free);
  DPrintf("#%d: java_free(%p, %p)\n", thr->tid, ptr, size);
  CHECK_NE(jctx, 0);
  CHECK_NE(size, 0);
  CHECK_EQ(ptr % kHeapAlignment, 0);
  CHECK_EQ(size % kHeapAlignment, 0);
  CHECK_GE(ptr, jctx->heap_begin);
  CHECK_LE(ptr + size, jctx->heap_begin + jctx->heap_size);

ctx->metamap.FreeRange(thr->proc(), ptr, size);
}

void __tsan_java_move(jptr src, jptr dst, jptr size) {
  SCOPED_JAVA_FUNC(__tsan_java_move);
  DPrintf("#%d: java_move(%p, %p, %p)\n", thr->tid, src, dst, size);
  CHECK_NE(jctx, 0);
  CHECK_NE(size, 0);
  CHECK_EQ(src % kHeapAlignment, 0);
  CHECK_EQ(dst % kHeapAlignment, 0);
  CHECK_EQ(size % kHeapAlignment, 0);
  CHECK_GE(src, jctx->heap_begin);
  CHECK_LE(src + size, jctx->heap_begin + jctx->heap_size);
  CHECK_GE(dst, jctx->heap_begin);
  CHECK_LE(dst + size, jctx->heap_begin + jctx->heap_size);
  CHECK_NE(dst, src);
  CHECK_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);

// Move shadow.
  u64 *s = (u64*)MemToShadow(src);
  u64 *d = (u64*)MemToShadow(dst);
  u64 *send = (u64*)MemToShadow(src + size);
  uptr inc = 1;
  if (dst > src) {
    s = (u64*)MemToShadow(src + size) - 1;
    d = (u64*)MemToShadow(dst + size) - 1;
    send = (u64*)MemToShadow(src) - 1;
    inc = -1;
  }
  for (; s != send; s += inc, d += inc) {
    *d = *s;
    *s = 0;
  }
}

jptr __tsan_java_find(jptr *from_ptr, jptr to) {
  SCOPED_JAVA_FUNC(__tsan_java_find);
  DPrintf("#%d: java_find(&%p, %p)\n", *from_ptr, to);
  CHECK_EQ((*from_ptr) % kHeapAlignment, 0);
  CHECK_EQ(to % kHeapAlignment, 0);
  CHECK_GE(*from_ptr, jctx->heap_begin);
  CHECK_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() {
  SCOPED_JAVA_FUNC(__tsan_java_finalize);
  DPrintf("#%d: java_mutex_finalize()\n", thr->tid);
  AcquireGlobal(thr, 0);
}

void __tsan_java_mutex_lock(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_mutex_lock);
  DPrintf("#%d: java_mutex_lock(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

MutexPostLock(thr, pc, addr, MutexFlagLinkerInit | MutexFlagWriteReentrant |
      MutexFlagDoPreLockOnPostLock);
}

void __tsan_java_mutex_unlock(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_mutex_unlock);
  DPrintf("#%d: java_mutex_unlock(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

MutexUnlock(thr, pc, addr);
}

void __tsan_java_mutex_read_lock(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_mutex_read_lock);
  DPrintf("#%d: java_mutex_read_lock(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

MutexPostReadLock(thr, pc, addr, MutexFlagLinkerInit |
      MutexFlagWriteReentrant | MutexFlagDoPreLockOnPostLock);
}

void __tsan_java_mutex_read_unlock(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_mutex_read_unlock);
  DPrintf("#%d: java_mutex_read_unlock(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

MutexReadUnlock(thr, pc, addr);
}

void __tsan_java_mutex_lock_rec(jptr addr, int rec) {
  SCOPED_JAVA_FUNC(__tsan_java_mutex_lock_rec);
  DPrintf("#%d: java_mutex_lock_rec(%p, %d)\n", thr->tid, addr, rec);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
  CHECK_GT(rec, 0);

MutexPostLock(thr, pc, addr, MutexFlagLinkerInit | MutexFlagWriteReentrant |
      MutexFlagDoPreLockOnPostLock | MutexFlagRecursiveLock, rec);
}

int __tsan_java_mutex_unlock_rec(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_mutex_unlock_rec);
  DPrintf("#%d: java_mutex_unlock_rec(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

return MutexUnlock(thr, pc, addr, MutexFlagRecursiveUnlock);
}

void __tsan_java_acquire(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_acquire);
  DPrintf("#%d: java_acquire(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

Acquire(thr, caller_pc, addr);
}

void __tsan_java_release(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_release);
  DPrintf("#%d: java_release(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

Release(thr, caller_pc, addr);
}

void __tsan_java_release_store(jptr addr) {
  SCOPED_JAVA_FUNC(__tsan_java_release);
  DPrintf("#%d: java_release_store(%p)\n", thr->tid, addr);
  CHECK_NE(jctx, 0);
  CHECK_GE(addr, jctx->heap_begin);
  CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);

ReleaseStore(thr, caller_pc, addr);
}

003 File Manager

Editing: tsan_interface_java.cpp

Upload File

Create Folder