1 files changed, 0 insertions, 136 deletions
diff --git a/test/syscalls/linux/sigiret.cc b/test/syscalls/linux/sigiret.cc
deleted file mode 100644
index 6227774a4..000000000
--- a/test/syscalls/linux/sigiret.cc
+++ /dev/null
@@ -1,136 +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 <sys/types.h>
-#include <sys/ucontext.h>
-#include <unistd.h>
-
-#include "gtest/gtest.h"
-#include "test/util/logging.h"
-#include "test/util/signal_util.h"
-#include "test/util/test_util.h"
-#include "test/util/timer_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-constexpr uint64_t kOrigRcx = 0xdeadbeeffacefeed;
-constexpr uint64_t kOrigR11 = 0xfacefeedbaad1dea;
-
-volatile int gotvtalrm, ready;
-
-void sigvtalrm(int sig, siginfo_t* siginfo, void* _uc) {
-  ucontext_t* uc = reinterpret_cast<ucontext_t*>(_uc);
-
-  // Verify that:
-  // - test is in the busy-wait loop waiting for signal.
-  // - %rcx and %r11 values in mcontext_t match kOrigRcx and kOrigR11.
-  if (ready &&
-      static_cast<uint64_t>(uc->uc_mcontext.gregs[REG_RCX]) == kOrigRcx &&
-      static_cast<uint64_t>(uc->uc_mcontext.gregs[REG_R11]) == kOrigR11) {
-    // Modify the values %rcx and %r11 in the ucontext. These are the
-    // values seen by the application after the signal handler returns.
-    uc->uc_mcontext.gregs[REG_RCX] = ~kOrigRcx;
-    uc->uc_mcontext.gregs[REG_R11] = ~kOrigR11;
-    gotvtalrm = 1;
-  }
-}
-
-TEST(SigIretTest, CheckRcxR11) {
-  // Setup signal handler for SIGVTALRM.
-  struct sigaction sa = {};
-  sigfillset(&sa.sa_mask);
-  sa.sa_sigaction = sigvtalrm;
-  sa.sa_flags = SA_SIGINFO;
-  auto const action_cleanup =
-      ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGVTALRM, sa));
-
-  auto const mask_cleanup =
-      ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_UNBLOCK, SIGVTALRM));
-
-  // Setup itimer to fire after 500 msecs.
-  struct itimerval itimer = {};
-  itimer.it_value.tv_usec = 500 * 1000;  // 500 msecs.
-  auto const timer_cleanup =
-      ASSERT_NO_ERRNO_AND_VALUE(ScopedItimer(ITIMER_VIRTUAL, itimer));
-
-  // Initialize %rcx and %r11 and spin until the signal handler returns.
-  uint64_t rcx = kOrigRcx;
-  uint64_t r11 = kOrigR11;
-  asm volatile(
-      "movq %[rcx], %%rcx;"                      // %rcx = rcx
-      "movq %[r11], %%r11;"                      // %r11 = r11
-      "movl $1, %[ready];"                       // ready = 1
-      "1: pause; cmpl $0, %[gotvtalrm]; je 1b;"  // while (!gotvtalrm);
-      "movq %%rcx, %[rcx];"                      // rcx = %rcx
-      "movq %%r11, %[r11];"                      // r11 = %r11
-      : [ ready ] "=m"(ready), [ rcx ] "+m"(rcx), [ r11 ] "+m"(r11)
-      : [ gotvtalrm ] "m"(gotvtalrm)
-      : "cc", "memory", "rcx", "r11");
-
-  // If sigreturn(2) returns via 'sysret' then %rcx and %r11 will be
-  // clobbered and set to 'ptregs->rip' and 'ptregs->rflags' respectively.
-  //
-  // The following check verifies that %rcx and %r11 were not clobbered
-  // when returning from the signal handler (via sigreturn(2)).
-  EXPECT_EQ(rcx, ~kOrigRcx);
-  EXPECT_EQ(r11, ~kOrigR11);
-}
-
-constexpr uint64_t kNonCanonicalRip = 0xCCCC000000000000;
-
-// Test that a non-canonical signal handler faults as expected.
-TEST(SigIretTest, BadHandler) {
-  struct sigaction sa = {};
-  sa.sa_sigaction =
-      reinterpret_cast<void (*)(int, siginfo_t*, void*)>(kNonCanonicalRip);
-  auto const cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGUSR1, sa));
-
-  pid_t pid = fork();
-  if (pid == 0) {
-    // Child, wait for signal.
-    while (1) {
-      pause();
-    }
-  }
-  ASSERT_THAT(pid, SyscallSucceeds());
-
-  EXPECT_THAT(kill(pid, SIGUSR1), SyscallSucceeds());
-
-  int status;
-  EXPECT_THAT(waitpid(pid, &status, 0), SyscallSucceedsWithValue(pid));
-  EXPECT_TRUE(WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV)
-      << "status = " << status;
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor
-
-int main(int argc, char** argv) {
-  // SigIretTest.CheckRcxR11 depends on delivering SIGVTALRM to the main thread.
-  // Block SIGVTALRM so that any other threads created by TestInit will also
-  // have SIGVTALRM blocked.
-  sigset_t set;
-  sigemptyset(&set);
-  sigaddset(&set, SIGVTALRM);
-  TEST_PCHECK(sigprocmask(SIG_BLOCK, &set, nullptr) == 0);
-
-  gvisor::testing::TestInit(&argc, &argv);
-  return gvisor::testing::RunAllTests();
-}