trap-handler-native-unittest.cc | Explore in Territory

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "include/v8config.h"

#if V8_OS_LINUX || V8_OS_FREEBSD
#include <signal.h>
#include <ucontext.h>
#elif V8_OS_DARWIN
#include <signal.h>
#include <sys/ucontext.h>
#elif V8_OS_WIN
#include <windows.h>
#endif

#include "testing/gtest/include/gtest/gtest.h"

#if V8_OS_POSIX
#include "include/v8-wasm-trap-handler-posix.h"
#elif V8_OS_WIN
#include "include/v8-wasm-trap-handler-win.h"
#endif
#include "src/base/page-allocator.h"
#include "src/base/vector.h"
#include "src/codegen/assembler-inl.h"
#include "src/codegen/macro-assembler-inl.h"
#include "src/execution/simulator.h"
#include "src/objects/backing-store.h"
#include "src/trap-handler/trap-handler.h"
#include "src/utils/allocation.h"
#include "src/wasm/wasm-engine.h"
#include "test/common/assembler-tester.h"
#include "test/unittests/test-utils.h"

#if V8_TRAP_HANDLER_SUPPORTED

#if V8_HOST_ARCH_ARM64 && (!V8_OS_LINUX && !V8_OS_DARWIN)
#error Unsupported platform
#endif

namespace v8 {
namespace internal {
namespace wasm {

namespace {
#if V8_HOST_ARCH_X64
constexpr Register scratch = …;
#endif
bool g_test_handler_executed = …;
#if V8_OS_LINUX || V8_OS_DARWIN || V8_OS_FREEBSD
struct sigaction g_old_segv_action;
struct sigaction g_old_other_action;  // FPE or TRAP, depending on x64 or arm64.
struct sigaction g_old_bus_action;    // We get SIGBUS on Mac sometimes.
#elif V8_OS_WIN
void* g_registered_handler = nullptr;
#endif

// The recovery address allows us to recover from an intentional crash.
Address g_recovery_address;
// Flag to indicate if the test handler should call the trap handler as a first
// chance handler.
bool g_use_as_first_chance_handler = …;
}  // namespace

#define __ …

enum TrapHandlerStyle : int { … };

std::string PrintTrapHandlerTestParam(
    ::testing::TestParamInfo<TrapHandlerStyle> info) { … }

class TrapHandlerTest : public TestWithIsolate,
                        public ::testing::WithParamInterface<TrapHandlerStyle> { … };

// TODO(almuthanna): These tests were skipped because they cause a crash when
// they are ran on Fuchsia. This issue should be solved later on
// Ticket: https://crbug.com/1028617
#if !defined(V8_TARGET_OS_FUCHSIA)
TEST_P(TrapHandlerTest, TestTrapHandlerRecovery) { … }

TEST_P(TrapHandlerTest, TestReleaseHandlerData) { … }

TEST_P(TrapHandlerTest, TestNoThreadInWasmFlag) { … }

TEST_P(TrapHandlerTest, TestCrashInWasmNoProtectedInstruction) { … }

TEST_P(TrapHandlerTest, TestCrashInWasmWrongCrashType) { … }
#endif

class CodeRunner : public v8::base::Thread { … };

// TODO(almuthanna): This test was skipped because it causes a crash when it is
// ran on Fuchsia. This issue should be solved later on
// Ticket: https://crbug.com/1028617
#if !defined(V8_TARGET_OS_FUCHSIA)
TEST_P(TrapHandlerTest, TestCrashInOtherThread) { … }
#endif

#if !V8_OS_FUCHSIA
INSTANTIATE_TEST_SUITE_P(…);
#endif  // !V8_OS_FUCHSIA

#undef __
}  // namespace wasm
}  // namespace internal
}  // namespace v8

#endif
chromium/v8/test/unittests/wasm/trap-handler-native-unittest.cc
