forked from LeenkxTeam/Kmake
148 lines
5.5 KiB
C++
148 lines
5.5 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "include/v8-function.h"
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#include "src/api/api-inl.h"
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#include "src/codegen/assembler-inl.h"
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#include "src/objects/call-site-info-inl.h"
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#include "src/trap-handler/trap-handler.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/wasm/wasm-run-utils.h"
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#include "test/common/value-helper.h"
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#include "test/common/wasm/test-signatures.h"
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#include "test/common/wasm/wasm-macro-gen.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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namespace test_wasm_trap_position {
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using v8::Local;
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using v8::Utils;
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namespace {
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#define CHECK_CSTREQ(exp, found) \
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do { \
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const char* exp_ = (exp); \
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const char* found_ = (found); \
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DCHECK_NOT_NULL(exp); \
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if (V8_UNLIKELY(found_ == nullptr || strcmp(exp_, found_) != 0)) { \
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FATAL("Check failed: (%s) != (%s) ('%s' vs '%s').", #exp, #found, exp_, \
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found_ ? found_ : "<null>"); \
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} \
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} while (false)
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struct ExceptionInfo {
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const char* func_name;
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int line_nr;
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int column;
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};
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template <int N>
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void CheckExceptionInfos(v8::internal::Isolate* isolate,
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DirectHandle<Object> exc,
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const ExceptionInfo (&excInfos)[N]) {
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// Check that it's indeed an Error object.
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CHECK(IsJSError(*exc));
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Print(*exc);
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// Extract stack frame from the exception.
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auto stack = isolate->GetSimpleStackTrace(Cast<JSObject>(exc));
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CHECK_EQ(N, stack->length());
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for (int i = 0; i < N; ++i) {
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DirectHandle<CallSiteInfo> info(Cast<CallSiteInfo>(stack->get(i)), isolate);
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auto func_name =
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Cast<String>(CallSiteInfo::GetFunctionName(info))->ToCString();
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CHECK_CSTREQ(excInfos[i].func_name, func_name.get());
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CHECK_EQ(excInfos[i].line_nr, CallSiteInfo::GetLineNumber(info));
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CHECK_EQ(excInfos[i].column, CallSiteInfo::GetColumnNumber(info));
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}
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}
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#undef CHECK_CSTREQ
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} // namespace
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// Trigger a trap for executing unreachable.
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WASM_COMPILED_EXEC_TEST(Unreachable) {
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// Create a WasmRunner with stack checks and traps enabled.
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WasmRunner<void> r(execution_tier, kWasmOrigin, nullptr, "main");
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r.Build({WASM_UNREACHABLE});
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uint32_t wasm_index = r.function()->func_index;
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DirectHandle<JSFunction> js_wasm_wrapper = r.builder().WrapCode(wasm_index);
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DirectHandle<JSFunction> js_trampoline =
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Cast<JSFunction>(v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
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CompileRun("(function callFn(fn) { fn(); })"))));
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Isolate* isolate = js_wasm_wrapper->GetIsolate();
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isolate->SetCaptureStackTraceForUncaughtExceptions(true, 10,
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v8::StackTrace::kOverview);
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DirectHandle<Object> global(isolate->context()->global_object(), isolate);
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MaybeDirectHandle<Object> maybe_exc;
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DirectHandle<Object> args[] = {js_wasm_wrapper};
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MaybeDirectHandle<Object> returnObjMaybe =
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Execution::TryCall(isolate, js_trampoline, global, base::VectorOf(args),
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Execution::MessageHandling::kReport, &maybe_exc);
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CHECK(returnObjMaybe.is_null());
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ExceptionInfo expected_exceptions[] = {
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{"main", 1, 7}, // --
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{"callFn", 1, 24} // --
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};
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CheckExceptionInfos(isolate, maybe_exc.ToHandleChecked(),
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expected_exceptions);
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}
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// Trigger a trap for loading from out-of-bounds.
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WASM_COMPILED_EXEC_TEST(IllegalLoad) {
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WasmRunner<void> r(execution_tier, kWasmOrigin, nullptr, "main");
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r.builder().AddMemory(0L);
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r.Build({WASM_IF(
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WASM_ONE, WASM_SEQ(WASM_LOAD_MEM(MachineType::Int32(), WASM_I32V_1(-3)),
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WASM_DROP))});
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uint32_t wasm_index_1 = r.function()->func_index;
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WasmFunctionCompiler& f2 = r.NewFunction<void>("call_main");
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// Insert a NOP such that the position of the call is not one.
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f2.Build({WASM_NOP, WASM_CALL_FUNCTION0(wasm_index_1)});
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uint32_t wasm_index_2 = f2.function_index();
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DirectHandle<JSFunction> js_wasm_wrapper = r.builder().WrapCode(wasm_index_2);
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DirectHandle<JSFunction> js_trampoline =
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Cast<JSFunction>(v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
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CompileRun("(function callFn(fn) { fn(); })"))));
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Isolate* isolate = js_wasm_wrapper->GetIsolate();
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isolate->SetCaptureStackTraceForUncaughtExceptions(true, 10,
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v8::StackTrace::kOverview);
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DirectHandle<Object> global(isolate->context()->global_object(), isolate);
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MaybeDirectHandle<Object> maybe_exc;
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DirectHandle<Object> args[] = {js_wasm_wrapper};
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MaybeDirectHandle<Object> returnObjMaybe =
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Execution::TryCall(isolate, js_trampoline, global, base::VectorOf(args),
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Execution::MessageHandling::kReport, &maybe_exc);
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CHECK(returnObjMaybe.is_null());
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ExceptionInfo expected_exceptions[] = {
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{"main", 1, 13}, // --
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{"call_main", 1, 30}, // --
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{"callFn", 1, 24} // --
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};
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CheckExceptionInfos(isolate, maybe_exc.ToHandleChecked(),
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expected_exceptions);
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}
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} // namespace test_wasm_trap_position
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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