1 files changed, 0 insertions, 184 deletions
diff --git a/test/syscalls/linux/exceptions.cc b/test/syscalls/linux/exceptions.cc
deleted file mode 100644
index 370e85166..000000000
--- a/test/syscalls/linux/exceptions.cc
+++ /dev/null
@@ -1,184 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <signal.h>
-
-#include "gtest/gtest.h"
-#include "test/util/logging.h"
-#include "test/util/signal_util.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-void inline Halt() { asm("hlt\r\n"); }
-
-void inline SetAlignmentCheck() {
-  asm("subq $128, %%rsp\r\n"  // Avoid potential red zone clobber
-      "pushf\r\n"
-      "pop %%rax\r\n"
-      "or $0x40000, %%rax\r\n"
-      "push %%rax\r\n"
-      "popf\r\n"
-      "addq $128, %%rsp\r\n"
-      :
-      :
-      : "ax");
-}
-
-void inline ClearAlignmentCheck() {
-  asm("subq $128, %%rsp\r\n"  // Avoid potential red zone clobber
-      "pushf\r\n"
-      "pop %%rax\r\n"
-      "mov $0x40000, %%rbx\r\n"
-      "not %%rbx\r\n"
-      "and %%rbx, %%rax\r\n"
-      "push %%rax\r\n"
-      "popf\r\n"
-      "addq $128, %%rsp\r\n"
-      :
-      :
-      : "ax", "bx");
-}
-
-void inline Int3Normal() { asm(".byte 0xcd, 0x03\r\n"); }
-
-void inline Int3Compact() { asm(".byte 0xcc\r\n"); }
-
-void InIOHelper(int width, int value) {
-  EXPECT_EXIT(
-      {
-        switch (width) {
-          case 1:
-            asm volatile("inb %%dx, %%al" ::"d"(value) : "%eax");
-            break;
-          case 2:
-            asm volatile("inw %%dx, %%ax" ::"d"(value) : "%eax");
-            break;
-          case 4:
-            asm volatile("inl %%dx, %%eax" ::"d"(value) : "%eax");
-            break;
-          default:
-            FAIL() << "invalid input width, only 1, 2 or 4 is allowed";
-        }
-      },
-      ::testing::KilledBySignal(SIGSEGV), "");
-}
-
-TEST(ExceptionTest, Halt) {
-  // In order to prevent the regular handler from messing with things (and
-  // perhaps refaulting until some other signal occurs), we reset the handler to
-  // the default action here and ensure that it dies correctly.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGSEGV, sa));
-
-  EXPECT_EXIT(Halt(), ::testing::KilledBySignal(SIGSEGV), "");
-}
-
-TEST(ExceptionTest, DivideByZero) {
-  // See above.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGFPE, sa));
-
-  EXPECT_EXIT(
-      {
-        uint32_t remainder;
-        uint32_t quotient;
-        uint32_t divisor = 0;
-        uint64_t value = 1;
-        asm("divl 0(%2)\r\n"
-            : "=d"(remainder), "=a"(quotient)
-            : "r"(&divisor), "d"(value >> 32), "a"(value));
-        TEST_CHECK(quotient > 0);  // Force dependency.
-      },
-      ::testing::KilledBySignal(SIGFPE), "");
-}
-
-TEST(ExceptionTest, IOAccessFault) {
-  // See above.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGSEGV, sa));
-
-  InIOHelper(1, 0x0);
-  InIOHelper(2, 0x7);
-  InIOHelper(4, 0x6);
-  InIOHelper(1, 0xffff);
-  InIOHelper(2, 0xffff);
-  InIOHelper(4, 0xfffd);
-}
-
-TEST(ExceptionTest, Alignment) {
-  SetAlignmentCheck();
-  ClearAlignmentCheck();
-}
-
-TEST(ExceptionTest, AlignmentHalt) {
-  // See above.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGSEGV, sa));
-
-  // Reported upstream. We need to ensure that bad flags are cleared even in
-  // fault paths. Set the alignment flag and then generate an exception.
-  EXPECT_EXIT(
-      {
-        SetAlignmentCheck();
-        Halt();
-      },
-      ::testing::KilledBySignal(SIGSEGV), "");
-}
-
-TEST(ExceptionTest, AlignmentCheck) {
-
-  // See above.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGBUS, sa));
-
-  EXPECT_EXIT(
-      {
-        char array[16];
-        SetAlignmentCheck();
-        for (int i = 0; i < 8; i++) {
-          // At least 7/8 offsets will be unaligned here.
-          uint64_t* ptr = reinterpret_cast<uint64_t*>(&array[i]);
-          asm("mov %0, 0(%0)\r\n" : : "r"(ptr) : "ax");
-        }
-      },
-      ::testing::KilledBySignal(SIGBUS), "");
-}
-
-TEST(ExceptionTest, Int3Normal) {
-  // See above.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGTRAP, sa));
-
-  EXPECT_EXIT(Int3Normal(), ::testing::KilledBySignal(SIGTRAP), "");
-}
-
-TEST(ExceptionTest, Int3Compact) {
-  // See above.
-  struct sigaction sa = {};
-  sa.sa_handler = SIG_DFL;
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGTRAP, sa));
-
-  EXPECT_EXIT(Int3Compact(), ::testing::KilledBySignal(SIGTRAP), "");
-}
-
-}  // namespace testing
-}  // namespace gvisor