1 files changed, 0 insertions, 154 deletions
diff --git a/contrib/compiler-rt/lib/sanitizer_common/tests/sanitizer_stacktrace_test.cc b/contrib/compiler-rt/lib/sanitizer_common/tests/sanitizer_stacktrace_test.cc
deleted file mode 100644
index ac820c25a0f8..000000000000
--- a/contrib/compiler-rt/lib/sanitizer_common/tests/sanitizer_stacktrace_test.cc
+++ /dev/null
@@ -1,154 +0,0 @@
-//===-- sanitizer_stacktrace_test.cc --------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
-//
-//===----------------------------------------------------------------------===//
-
-#include "sanitizer_common/sanitizer_common.h"
-#include "sanitizer_common/sanitizer_stacktrace.h"
-#include "gtest/gtest.h"
-
-namespace __sanitizer {
-
-class FastUnwindTest : public ::testing::Test {
- protected:
-  virtual void SetUp();
-  virtual void TearDown();
-  bool TryFastUnwind(uptr max_depth) {
-    if (!StackTrace::WillUseFastUnwind(true))
-      return false;
-    trace.Unwind(max_depth, start_pc, (uptr)&fake_stack[0], 0, fake_top,
-                 fake_bottom, true);
-    return true;
-  }
-
-  void *mapping;
-  uptr *fake_stack;
-  const uptr fake_stack_size = 10;
-  uptr start_pc;
-  uptr fake_top;
-  uptr fake_bottom;
-  BufferedStackTrace trace;
-};
-
-static uptr PC(uptr idx) {
-  return (1<<20) + idx;
-}
-
-void FastUnwindTest::SetUp() {
-  size_t ps = GetPageSize();
-  mapping = MmapOrDie(2 * ps, "FastUnwindTest");
-  Mprotect((uptr)mapping, ps);
-
-  // Unwinder may peek 1 word down from the starting FP.
-  fake_stack = (uptr *)((uptr)mapping + ps + sizeof(uptr));
-
-  // Fill an array of pointers with fake fp+retaddr pairs.  Frame pointers have
-  // even indices.
-  for (uptr i = 0; i + 1 < fake_stack_size; i += 2) {
-    fake_stack[i] = (uptr)&fake_stack[i+2];  // fp
-    fake_stack[i+1] = PC(i + 1); // retaddr
-  }
-  // Mark the last fp point back up to terminate the stack trace.
-  fake_stack[RoundDownTo(fake_stack_size - 1, 2)] = (uptr)&fake_stack[0];
-
-  // Top is two slots past the end because FastUnwindStack subtracts two.
-  fake_top = (uptr)&fake_stack[fake_stack_size + 2];
-  // Bottom is one slot before the start because FastUnwindStack uses >.
-  fake_bottom = (uptr)mapping;
-  start_pc = PC(0);
-}
-
-void FastUnwindTest::TearDown() {
-  size_t ps = GetPageSize();
-  UnmapOrDie(mapping, 2 * ps);
-}
-
-TEST_F(FastUnwindTest, Basic) {
-  if (!TryFastUnwind(kStackTraceMax))
-    return;
-  // Should get all on-stack retaddrs and start_pc.
-  EXPECT_EQ(6U, trace.size);
-  EXPECT_EQ(start_pc, trace.trace[0]);
-  for (uptr i = 1; i <= 5; i++) {
-    EXPECT_EQ(PC(i*2 - 1), trace.trace[i]);
-  }
-}
-
-// From: http://code.google.com/p/address-sanitizer/issues/detail?id=162
-TEST_F(FastUnwindTest, FramePointerLoop) {
-  // Make one fp point to itself.
-  fake_stack[4] = (uptr)&fake_stack[4];
-  if (!TryFastUnwind(kStackTraceMax))
-    return;
-  // Should get all on-stack retaddrs up to the 4th slot and start_pc.
-  EXPECT_EQ(4U, trace.size);
-  EXPECT_EQ(start_pc, trace.trace[0]);
-  for (uptr i = 1; i <= 3; i++) {
-    EXPECT_EQ(PC(i*2 - 1), trace.trace[i]);
-  }
-}
-
-TEST_F(FastUnwindTest, MisalignedFramePointer) {
-  // Make one fp misaligned.
-  fake_stack[4] += 3;
-  if (!TryFastUnwind(kStackTraceMax))
-    return;
-  // Should get all on-stack retaddrs up to the 4th slot and start_pc.
-  EXPECT_EQ(4U, trace.size);
-  EXPECT_EQ(start_pc, trace.trace[0]);
-  for (uptr i = 1; i < 4U; i++) {
-    EXPECT_EQ(PC(i*2 - 1), trace.trace[i]);
-  }
-}
-
-TEST_F(FastUnwindTest, OneFrameStackTrace) {
-  if (!TryFastUnwind(1))
-    return;
-  EXPECT_EQ(1U, trace.size);
-  EXPECT_EQ(start_pc, trace.trace[0]);
-  EXPECT_EQ((uptr)&fake_stack[0], trace.top_frame_bp);
-}
-
-TEST_F(FastUnwindTest, ZeroFramesStackTrace) {
-  if (!TryFastUnwind(0))
-    return;
-  EXPECT_EQ(0U, trace.size);
-  EXPECT_EQ(0U, trace.top_frame_bp);
-}
-
-TEST_F(FastUnwindTest, FPBelowPrevFP) {
-  // The next FP points to unreadable memory inside the stack limits, but below
-  // current FP.
-  fake_stack[0] = (uptr)&fake_stack[-50];
-  fake_stack[1] = PC(1);
-  if (!TryFastUnwind(3))
-    return;
-  EXPECT_EQ(2U, trace.size);
-  EXPECT_EQ(PC(0), trace.trace[0]);
-  EXPECT_EQ(PC(1), trace.trace[1]);
-}
-
-TEST(SlowUnwindTest, ShortStackTrace) {
-  if (StackTrace::WillUseFastUnwind(false))
-    return;
-  BufferedStackTrace stack;
-  uptr pc = StackTrace::GetCurrentPc();
-  uptr bp = GET_CURRENT_FRAME();
-  stack.Unwind(0, pc, bp, 0, 0, 0, false);
-  EXPECT_EQ(0U, stack.size);
-  EXPECT_EQ(0U, stack.top_frame_bp);
-  stack.Unwind(1, pc, bp, 0, 0, 0, false);
-  EXPECT_EQ(1U, stack.size);
-  EXPECT_EQ(pc, stack.trace[0]);
-  EXPECT_EQ(bp, stack.top_frame_bp);
-}
-
-}  // namespace __sanitizer