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// Copyright 2019 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 "src/api/api-inl.h"
#include "test/cctest/wasm/wasm-atomics-utils.h"
#include "test/common/wasm/test-signatures.h"
#include "test/common/wasm/wasm-macro-gen.h"
namespace v8 {
namespace internal {
namespace wasm {
namespace test_run_wasm_exceptions {
WASM_COMPILED_EXEC_TEST(TryCatchThrow) {
TestSignatures sigs;
EXPERIMENTAL_FLAG_SCOPE(eh);
WasmRunner<uint32_t, uint32_t> r(execution_tier);
uint32_t except = r.builder().AddException(sigs.v_v());
constexpr uint32_t kResult0 = 23;
constexpr uint32_t kResult1 = 42;
// Build the main test function.
BUILD(r, WASM_TRY_CATCH_T(kWasmI32,
WASM_STMTS(WASM_I32V(kResult1),
WASM_IF(WASM_I32_EQZ(WASM_GET_LOCAL(0)),
WASM_THROW(except))),
WASM_STMTS(WASM_DROP, WASM_I32V(kResult0))));
// Need to call through JS to allow for creation of stack traces.
r.CheckCallViaJS(kResult0, 0);
r.CheckCallViaJS(kResult1, 1);
}
WASM_COMPILED_EXEC_TEST(TryCatchCallDirect) {
TestSignatures sigs;
EXPERIMENTAL_FLAG_SCOPE(eh);
WasmRunner<uint32_t, uint32_t> r(execution_tier);
uint32_t except = r.builder().AddException(sigs.v_v());
constexpr uint32_t kResult0 = 23;
constexpr uint32_t kResult1 = 42;
// Build a throwing helper function.
WasmFunctionCompiler& throw_func = r.NewFunction(sigs.i_ii());
BUILD(throw_func, WASM_THROW(except));
// Build the main test function.
BUILD(r, WASM_TRY_CATCH_T(
kWasmI32,
WASM_STMTS(WASM_I32V(kResult1),
WASM_IF(WASM_I32_EQZ(WASM_GET_LOCAL(0)),
WASM_STMTS(WASM_CALL_FUNCTION(
throw_func.function_index(),
WASM_I32V(7), WASM_I32V(9)),
WASM_DROP))),
WASM_STMTS(WASM_DROP, WASM_I32V(kResult0))));
// Need to call through JS to allow for creation of stack traces.
r.CheckCallViaJS(kResult0, 0);
r.CheckCallViaJS(kResult1, 1);
}
WASM_COMPILED_EXEC_TEST(TryCatchCallIndirect) {
TestSignatures sigs;
EXPERIMENTAL_FLAG_SCOPE(eh);
WasmRunner<uint32_t, uint32_t> r(execution_tier);
uint32_t except = r.builder().AddException(sigs.v_v());
constexpr uint32_t kResult0 = 23;
constexpr uint32_t kResult1 = 42;
// Build a throwing helper function.
WasmFunctionCompiler& throw_func = r.NewFunction(sigs.i_ii());
BUILD(throw_func, WASM_THROW(except));
byte sig_index = r.builder().AddSignature(sigs.i_ii());
throw_func.SetSigIndex(0);
// Add an indirect function table.
uint16_t indirect_function_table[] = {
static_cast<uint16_t>(throw_func.function_index())};
r.builder().AddIndirectFunctionTable(indirect_function_table,
arraysize(indirect_function_table));
// Build the main test function.
BUILD(r,
WASM_TRY_CATCH_T(
kWasmI32,
WASM_STMTS(WASM_I32V(kResult1),
WASM_IF(WASM_I32_EQZ(WASM_GET_LOCAL(0)),
WASM_STMTS(WASM_CALL_INDIRECT(
sig_index, WASM_I32V(7),
WASM_I32V(9), WASM_GET_LOCAL(0)),
WASM_DROP))),
WASM_STMTS(WASM_DROP, WASM_I32V(kResult0))));
// Need to call through JS to allow for creation of stack traces.
r.CheckCallViaJS(kResult0, 0);
r.CheckCallViaJS(kResult1, 1);
}
WASM_COMPILED_EXEC_TEST(TryCatchCallExternal) {
TestSignatures sigs;
EXPERIMENTAL_FLAG_SCOPE(eh);
HandleScope scope(CcTest::InitIsolateOnce());
const char* source = "(function() { throw 'ball'; })";
Handle<JSFunction> js_function =
Handle<JSFunction>::cast(v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(CompileRun(source))));
ManuallyImportedJSFunction import = {sigs.i_ii(), js_function};
WasmRunner<uint32_t, uint32_t> r(execution_tier, &import);
constexpr uint32_t kResult0 = 23;
constexpr uint32_t kResult1 = 42;
constexpr uint32_t kJSFunc = 0;
// Build the main test function.
BUILD(r, WASM_TRY_CATCH_T(
kWasmI32,
WASM_STMTS(
WASM_I32V(kResult1),
WASM_IF(WASM_I32_EQZ(WASM_GET_LOCAL(0)),
WASM_STMTS(WASM_CALL_FUNCTION(kJSFunc, WASM_I32V(7),
WASM_I32V(9)),
WASM_DROP))),
WASM_STMTS(WASM_DROP, WASM_I32V(kResult0))));
// Need to call through JS to allow for creation of stack traces.
r.CheckCallViaJS(kResult0, 0);
r.CheckCallViaJS(kResult1, 1);
}
WASM_COMPILED_EXEC_TEST(TryCatchTrapTypeError) {
TestSignatures sigs;
EXPERIMENTAL_FLAG_SCOPE(eh);
HandleScope scope(CcTest::InitIsolateOnce());
const char* source = "(function() { return 0; })";
Handle<JSFunction> js_function =
Handle<JSFunction>::cast(v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(CompileRun(source))));
// Make sure to use a signature incompatible with JS below.
ManuallyImportedJSFunction import = {sigs.i_ll(), js_function};
WasmRunner<uint32_t, uint32_t> r(execution_tier, &import);
constexpr uint32_t kResult0 = 23;
constexpr uint32_t kResult1 = 42;
constexpr uint32_t kJSFunc = 0;
// Build the main test function.
BUILD(r, WASM_TRY_CATCH_T(
kWasmI32,
WASM_STMTS(
WASM_I32V(kResult1),
WASM_IF(WASM_I32_EQZ(WASM_GET_LOCAL(0)),
WASM_STMTS(WASM_CALL_FUNCTION(kJSFunc, WASM_I64V(7),
WASM_I64V(9)),
WASM_DROP))),
WASM_STMTS(WASM_DROP, WASM_I32V(kResult0))));
// Need to call through JS to allow for creation of stack traces.
r.CheckCallViaJS(kResult0, 0);
r.CheckCallViaJS(kResult1, 1);
}
namespace {
void TestTrapNotCaught(byte* code, size_t code_size,
ExecutionTier execution_tier) {
TestSignatures sigs;
EXPERIMENTAL_FLAG_SCOPE(eh);
WasmRunner<uint32_t> r(execution_tier, nullptr, "main",
kRuntimeExceptionSupport);
r.builder().AddMemory(kWasmPageSize);
constexpr uint32_t kResultSuccess = 23;
constexpr uint32_t kResultCaught = 47;
// Build a trapping helper function.
WasmFunctionCompiler& trap_func = r.NewFunction(sigs.i_ii());
trap_func.Build(code, code + code_size);
// Build the main test function.
BUILD(r, WASM_TRY_CATCH_T(
kWasmI32,
WASM_STMTS(WASM_I32V(kResultSuccess),
WASM_CALL_FUNCTION(trap_func.function_index(),
WASM_I32V(7), WASM_I32V(9)),
WASM_DROP),
WASM_STMTS(WASM_DROP, WASM_I32V(kResultCaught))));
// Need to call through JS to allow for creation of stack traces.
r.CheckCallViaJSTraps();
}
} // namespace
WASM_COMPILED_EXEC_TEST(TryCatchTrapUnreachable) {
byte code[] = {WASM_UNREACHABLE};
TestTrapNotCaught(code, arraysize(code), execution_tier);
}
WASM_COMPILED_EXEC_TEST(TryCatchTrapMemOutOfBounds) {
byte code[] = {WASM_LOAD_MEM(MachineType::Int32(), WASM_I32V_1(-1))};
TestTrapNotCaught(code, arraysize(code), execution_tier);
}
WASM_COMPILED_EXEC_TEST(TryCatchTrapDivByZero) {
byte code[] = {WASM_I32_DIVS(WASM_GET_LOCAL(0), WASM_I32V_1(0))};
TestTrapNotCaught(code, arraysize(code), execution_tier);
}
WASM_COMPILED_EXEC_TEST(TryCatchTrapRemByZero) {
byte code[] = {WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_I32V_1(0))};
TestTrapNotCaught(code, arraysize(code), execution_tier);
}
} // namespace test_run_wasm_exceptions
} // namespace wasm
} // namespace internal
} // namespace v8
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