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Print trap messages in a consistent manner across Wasm engines. #300

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Aug 2, 2022
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8 changes: 4 additions & 4 deletions src/wamr/wamr.cc
Original file line number Diff line number Diff line change
Expand Up @@ -578,9 +578,9 @@ void Wamr::getModuleFunctionImpl(std::string_view function_name,
if (trap) {
WasmByteVec error_message;
wasm_trap_message(trap.get(), error_message.get());
std::string message(error_message.get()->data); // NULL-terminated
fail(FailState::RuntimeError,
"Function: " + std::string(function_name) + " failed:\n" +
std::string(error_message.get()->data, error_message.get()->size));
"Function: " + std::string(function_name) + " failed: " + message);
return;
}
if (log) {
Expand Down Expand Up @@ -628,9 +628,9 @@ void Wamr::getModuleFunctionImpl(std::string_view function_name,
if (trap) {
WasmByteVec error_message;
wasm_trap_message(trap.get(), error_message.get());
std::string message(error_message.get()->data); // NULL-terminated
fail(FailState::RuntimeError,
"Function: " + std::string(function_name) + " failed:\n" +
std::string(error_message.get()->data, error_message.get()->size));
"Function: " + std::string(function_name) + " failed: " + message);
return R{};
}
R ret = convertValueTypeToArg<R>(results.data[0]);
Expand Down
8 changes: 4 additions & 4 deletions src/wasmedge/wasmedge.cc
Original file line number Diff line number Diff line change
Expand Up @@ -540,8 +540,8 @@ void WasmEdge::getModuleFunctionImpl(std::string_view function_name,
WasmEdge_Result res =
WasmEdge_ExecutorInvoke(executor_.get(), func_cxt, params, sizeof...(Args), nullptr, 0);
if (!WasmEdge_ResultOK(res)) {
fail(FailState::RuntimeError, "Function: " + std::string(function_name) + " failed:\n" +
WasmEdge_ResultGetMessage(res));
fail(FailState::RuntimeError, "Function: " + std::string(function_name) +
" failed: " + WasmEdge_ResultGetMessage(res));
return;
}
if (log) {
Expand Down Expand Up @@ -594,8 +594,8 @@ void WasmEdge::getModuleFunctionImpl(std::string_view function_name,
WasmEdge_Result res =
WasmEdge_ExecutorInvoke(executor_.get(), func_cxt, params, sizeof...(Args), results, 1);
if (!WasmEdge_ResultOK(res)) {
fail(FailState::RuntimeError, "Function: " + std::string(function_name) + " failed:\n" +
WasmEdge_ResultGetMessage(res));
fail(FailState::RuntimeError, "Function: " + std::string(function_name) +
" failed: " + WasmEdge_ResultGetMessage(res));
return R{};
}
R ret = convValTypeToArg<R>(results[0]);
Expand Down
8 changes: 4 additions & 4 deletions src/wasmtime/wasmtime.cc
Original file line number Diff line number Diff line change
Expand Up @@ -616,9 +616,9 @@ void Wasmtime::getModuleFunctionImpl(std::string_view function_name,
if (trap) {
WasmByteVec error_message;
wasm_trap_message(trap.get(), error_message.get());
std::string message(error_message.get()->data); // NULL-terminated
fail(FailState::RuntimeError,
"Function: " + std::string(function_name) + " failed:\n" +
std::string(error_message.get()->data, error_message.get()->size));
"Function: " + std::string(function_name) + " failed: " + message);
return;
}
if (log) {
Expand Down Expand Up @@ -678,9 +678,9 @@ void Wasmtime::getModuleFunctionImpl(std::string_view function_name,
if (trap) {
WasmByteVec error_message;
wasm_trap_message(trap.get(), error_message.get());
std::string message(error_message.get()->data); // NULL-terminated
fail(FailState::RuntimeError,
"Function: " + std::string(function_name) + " failed:\n" +
std::string(error_message.get()->data, error_message.get()->size));
"Function: " + std::string(function_name) + " failed: " + message);
return R{};
}
R ret = convertValueTypeToArg<R>(results.data[0]);
Expand Down
28 changes: 22 additions & 6 deletions test/runtime_test.cc
Original file line number Diff line number Diff line change
Expand Up @@ -108,9 +108,7 @@ TEST_P(TestVm, TerminateExecution) {
// Check integration logs.
auto *host = dynamic_cast<TestIntegration *>(wasm.wasm_vm()->integration().get());
EXPECT_TRUE(host->isErrorLogged("Function: infinite_loop failed"));
if (engine_ == "v8") {
EXPECT_TRUE(host->isErrorLogged("Uncaught Error: termination_exception"));
}
EXPECT_TRUE(host->isErrorLogged("termination_exception"));
}

TEST_P(TestVm, WasmMemoryLimit) {
Expand All @@ -135,8 +133,14 @@ TEST_P(TestVm, WasmMemoryLimit) {
// Check integration logs.
auto *host = dynamic_cast<TestIntegration *>(wasm.wasm_vm()->integration().get());
EXPECT_TRUE(host->isErrorLogged("Function: infinite_memory failed"));
// Trap message
if (engine_ == "wavm") {
EXPECT_TRUE(host->isErrorLogged("wavm.reachedUnreachable"));
} else {
EXPECT_TRUE(host->isErrorLogged("unreachable"));
}
// Backtrace
if (engine_ == "v8") {
EXPECT_TRUE(host->isErrorLogged("Uncaught RuntimeError: unreachable"));
EXPECT_TRUE(host->isErrorLogged("Proxy-Wasm plugin in-VM backtrace:"));
EXPECT_TRUE(host->isErrorLogged(" - rust_oom"));
EXPECT_TRUE(host->isErrorLogged(" - alloc::alloc::handle_alloc_error"));
Expand All @@ -158,8 +162,14 @@ TEST_P(TestVm, Trap) {
// Check integration logs.
auto *host = dynamic_cast<TestIntegration *>(wasm.wasm_vm()->integration().get());
EXPECT_TRUE(host->isErrorLogged("Function: trigger failed"));
// Trap message
if (engine_ == "wavm") {
EXPECT_TRUE(host->isErrorLogged("wavm.reachedUnreachable"));
} else {
EXPECT_TRUE(host->isErrorLogged("unreachable"));
}
// Backtrace
if (engine_ == "v8") {
EXPECT_TRUE(host->isErrorLogged("Uncaught RuntimeError: unreachable"));
EXPECT_TRUE(host->isErrorLogged("Proxy-Wasm plugin in-VM backtrace:"));
EXPECT_TRUE(host->isErrorLogged(" - std::panicking::begin_panic"));
EXPECT_TRUE(host->isErrorLogged(" - trigger"));
Expand All @@ -181,8 +191,14 @@ TEST_P(TestVm, Trap2) {
// Check integration logs.
auto *host = dynamic_cast<TestIntegration *>(wasm.wasm_vm()->integration().get());
EXPECT_TRUE(host->isErrorLogged("Function: trigger2 failed"));
// Trap message
if (engine_ == "wavm") {
EXPECT_TRUE(host->isErrorLogged("wavm.reachedUnreachable"));
} else {
EXPECT_TRUE(host->isErrorLogged("unreachable"));
}
// Backtrace
if (engine_ == "v8") {
EXPECT_TRUE(host->isErrorLogged("Uncaught RuntimeError: unreachable"));
EXPECT_TRUE(host->isErrorLogged("Proxy-Wasm plugin in-VM backtrace:"));
EXPECT_TRUE(host->isErrorLogged(" - std::panicking::begin_panic"));
EXPECT_TRUE(host->isErrorLogged(" - trigger2"));
Expand Down