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// Copyright 2015 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 <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "src/wasm/wasm-macro-gen.h"
#include "test/cctest/cctest.h"
#include "test/cctest/wasm/test-signatures.h"
#include "test/cctest/wasm/wasm-run-utils.h"
using namespace v8::base;
using namespace v8::internal;
using namespace v8::internal::compiler;
using namespace v8::internal::wasm;
#define BUILD(r, ...) \
do { \
byte code[] = {__VA_ARGS__}; \
r.Build(code, code + arraysize(code)); \
} while (false)
static uint32_t AddJsFunction(TestingModule* module, FunctionSig* sig,
const char* source) {
Handle<JSFunction> jsfunc = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(CompileRun(source))));
module->AddFunction(sig, Handle<Code>::null());
uint32_t index = static_cast<uint32_t>(module->module->functions->size() - 1);
Isolate* isolate = CcTest::InitIsolateOnce();
Handle<Code> code = CompileWasmToJSWrapper(isolate, module, jsfunc, index);
module->function_code->at(index) = code;
return index;
}
static Handle<JSFunction> WrapCode(ModuleEnv* module, uint32_t index) {
Isolate* isolate = module->module->shared_isolate;
// Wrap the code so it can be called as a JS function.
Handle<String> name = isolate->factory()->NewStringFromStaticChars("main");
Handle<JSObject> module_object = Handle<JSObject>(0, isolate);
Handle<Code> code = module->function_code->at(index);
WasmJs::InstallWasmFunctionMap(isolate, isolate->native_context());
return compiler::CompileJSToWasmWrapper(isolate, module, name, code,
module_object, index);
}
static void EXPECT_CALL(double expected, Handle<JSFunction> jsfunc, double a,
double b) {
Isolate* isolate = jsfunc->GetIsolate();
Handle<Object> buffer[] = {isolate->factory()->NewNumber(a),
isolate->factory()->NewNumber(b)};
Handle<Object> global(isolate->context()->global_object(), isolate);
MaybeHandle<Object> retval =
Execution::Call(isolate, jsfunc, global, 2, buffer);
CHECK(!retval.is_null());
Handle<Object> result = retval.ToHandleChecked();
if (result->IsSmi()) {
CHECK_EQ(expected, Smi::cast(*result)->value());
} else {
CHECK(result->IsHeapNumber());
CHECK_EQ(expected, HeapNumber::cast(*result)->value());
}
}
TEST(Run_Int32Sub_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.i_ii());
BUILD(t, WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(33, jsfunc, 44, 11);
EXPECT_CALL(-8723487, jsfunc, -8000000, 723487);
}
TEST(Run_Float32Div_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.f_ff());
BUILD(t, WASM_F32_DIV(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(92, jsfunc, 46, 0.5);
EXPECT_CALL(64, jsfunc, -16, -0.25);
}
TEST(Run_Float64Add_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.d_dd());
BUILD(t, WASM_F64_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(3, jsfunc, 2, 1);
EXPECT_CALL(-5.5, jsfunc, -5.25, -0.25);
}
TEST(Run_I32Popcount_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.i_i());
BUILD(t, WASM_I32_POPCNT(WASM_GET_LOCAL(0)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(2, jsfunc, 9, 0);
EXPECT_CALL(3, jsfunc, 11, 0);
EXPECT_CALL(6, jsfunc, 0x3F, 0);
USE(AddJsFunction);
}
#if !V8_TARGET_ARCH_ARM64
// TODO(titzer): fix wasm->JS calls on arm64 (wrapper issues)
TEST(Run_CallJS_Add_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.i_i(), &module);
uint32_t js_index =
AddJsFunction(&module, sigs.i_i(), "(function(a) { return a + 99; })");
BUILD(t, WASM_CALL_FUNCTION(js_index, WASM_GET_LOCAL(0)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(101, jsfunc, 2, -8);
EXPECT_CALL(199, jsfunc, 100, -1);
EXPECT_CALL(-666666801, jsfunc, -666666900, -1);
}
#endif
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