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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 <stdlib.h>
#include <string.h>
#include "src/wasm/encoder.h"
#include "src/wasm/wasm-macro-gen.h"
#include "src/wasm/wasm-module.h"
#include "src/wasm/wasm-opcodes.h"
#include "test/cctest/cctest.h"
using namespace v8::base;
using namespace v8::internal;
using namespace v8::internal::compiler;
using namespace v8::internal::wasm;
namespace {
void TestModule(WasmModuleIndex* module, int32_t expected_result) {
Isolate* isolate = CcTest::InitIsolateOnce();
int32_t result =
CompileAndRunWasmModule(isolate, module->Begin(), module->End());
CHECK_EQ(expected_result, result);
}
} // namespace
// A raw test that skips the WasmModuleBuilder.
TEST(Run_WasmModule_CallAdd_rev) {
static const byte data[] = {
// sig#0 ------------------------------------------
kDeclSignatures, 2, 0, kLocalI32, // void -> int
2, kLocalI32, kLocalI32, kLocalI32, // int,int -> int
// func#0 (main) ----------------------------------
kDeclFunctions, 2, kDeclFunctionExport, 0, 0, // sig index
6, 0, // body size
kExprCallFunction, 1, // --
kExprI8Const, 77, // --
kExprI8Const, 22, // --
// func#1 -----------------------------------------
0, // no name, not exported
1, 0, // sig index
5, 0, // body size
kExprI32Add, // --
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
};
Isolate* isolate = CcTest::InitIsolateOnce();
int32_t result =
CompileAndRunWasmModule(isolate, data, data + arraysize(data));
CHECK_EQ(99, result);
}
TEST(Run_WasmModule_Return114) {
static const int32_t kReturnValue = 114;
Zone zone;
WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
uint16_t f_index = builder->AddFunction();
WasmFunctionBuilder* f = builder->FunctionAt(f_index);
f->ReturnType(kAstI32);
f->Exported(1);
byte code[] = {WASM_I8(kReturnValue)};
f->EmitCode(code, sizeof(code));
WasmModuleWriter* writer = builder->Build(&zone);
TestModule(writer->WriteTo(&zone), kReturnValue);
}
TEST(Run_WasmModule_CallAdd) {
Zone zone;
WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
uint16_t f1_index = builder->AddFunction();
WasmFunctionBuilder* f = builder->FunctionAt(f1_index);
f->ReturnType(kAstI32);
uint16_t param1 = f->AddParam(kAstI32);
uint16_t param2 = f->AddParam(kAstI32);
byte code1[] = {WASM_I32_ADD(WASM_GET_LOCAL(param1), WASM_GET_LOCAL(param2))};
uint32_t local_indices1[] = {2, 4};
f->EmitCode(code1, sizeof(code1), local_indices1, sizeof(local_indices1) / 4);
uint16_t f2_index = builder->AddFunction();
f = builder->FunctionAt(f2_index);
f->ReturnType(kAstI32);
f->Exported(1);
byte code2[] = {WASM_CALL_FUNCTION(f1_index, WASM_I8(77), WASM_I8(22))};
f->EmitCode(code2, sizeof(code2));
WasmModuleWriter* writer = builder->Build(&zone);
TestModule(writer->WriteTo(&zone), 99);
}
TEST(Run_WasmModule_ReadLoadedDataSegment) {
static const byte kDataSegmentDest0 = 12;
Zone zone;
WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
uint16_t f_index = builder->AddFunction();
WasmFunctionBuilder* f = builder->FunctionAt(f_index);
f->ReturnType(kAstI32);
f->Exported(1);
byte code[] = {
WASM_LOAD_MEM(MachineType::Int32(), WASM_I8(kDataSegmentDest0))};
f->EmitCode(code, sizeof(code));
byte data[] = {0xaa, 0xbb, 0xcc, 0xdd};
builder->AddDataSegment(new (&zone) WasmDataSegmentEncoder(
&zone, data, sizeof(data), kDataSegmentDest0));
WasmModuleWriter* writer = builder->Build(&zone);
TestModule(writer->WriteTo(&zone), 0xddccbbaa);
}
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define V8_WITH_ASAN 1
#endif
#endif
#if !defined(V8_WITH_ASAN)
// TODO(bradnelson): Figure out why this crashes under asan.
TEST(Run_WasmModule_CheckMemoryIsZero) {
static const int kCheckSize = 16 * 1024;
Zone zone;
WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
uint16_t f_index = builder->AddFunction();
WasmFunctionBuilder* f = builder->FunctionAt(f_index);
f->ReturnType(kAstI32);
uint16_t localIndex = f->AddLocal(kAstI32);
f->Exported(1);
byte code[] = {WASM_BLOCK(
2,
WASM_WHILE(
WASM_I32_LTS(WASM_GET_LOCAL(localIndex), WASM_I32(kCheckSize)),
WASM_IF_ELSE(
WASM_LOAD_MEM(MachineType::Int32(), WASM_GET_LOCAL(localIndex)),
WASM_BRV(2, WASM_I8(-1)), WASM_INC_LOCAL_BY(localIndex, 4))),
WASM_I8(11))};
uint32_t local_indices[] = {7, 19, 25, 28};
f->EmitCode(code, sizeof(code), local_indices, sizeof(local_indices) / 4);
WasmModuleWriter* writer = builder->Build(&zone);
TestModule(writer->WriteTo(&zone), 11);
}
#endif
#if !defined(V8_WITH_ASAN)
// TODO(bradnelson): Figure out why this crashes under asan.
TEST(Run_WasmModule_CallMain_recursive) {
Zone zone;
WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
uint16_t f_index = builder->AddFunction();
WasmFunctionBuilder* f = builder->FunctionAt(f_index);
f->ReturnType(kAstI32);
uint16_t localIndex = f->AddLocal(kAstI32);
f->Exported(1);
byte code[] = {WASM_BLOCK(
2, WASM_SET_LOCAL(localIndex,
WASM_LOAD_MEM(MachineType::Int32(), WASM_ZERO)),
WASM_IF_ELSE(WASM_I32_LTS(WASM_GET_LOCAL(localIndex), WASM_I8(5)),
WASM_BLOCK(2, WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO,
WASM_INC_LOCAL(localIndex)),
WASM_BRV(1, WASM_CALL_FUNCTION0(0))),
WASM_BRV(0, WASM_I8(55))))};
uint32_t local_indices[] = {3, 11, 21, 24};
f->EmitCode(code, sizeof(code), local_indices, sizeof(local_indices) / 4);
WasmModuleWriter* writer = builder->Build(&zone);
TestModule(writer->WriteTo(&zone), 55);
}
#endif
#if !defined(V8_WITH_ASAN)
// TODO(bradnelson): Figure out why this crashes under asan.
TEST(Run_WasmModule_Global) {
Zone zone;
WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
uint32_t global1 = builder->AddGlobal(MachineType::Int32(), 0);
uint32_t global2 = builder->AddGlobal(MachineType::Int32(), 0);
uint16_t f1_index = builder->AddFunction();
WasmFunctionBuilder* f = builder->FunctionAt(f1_index);
f->ReturnType(kAstI32);
byte code1[] = {
WASM_I32_ADD(WASM_LOAD_GLOBAL(global1), WASM_LOAD_GLOBAL(global2))};
f->EmitCode(code1, sizeof(code1));
uint16_t f2_index = builder->AddFunction();
f = builder->FunctionAt(f2_index);
f->ReturnType(kAstI32);
f->Exported(1);
byte code2[] = {WASM_STORE_GLOBAL(global1, WASM_I32(56)),
WASM_STORE_GLOBAL(global2, WASM_I32(41)),
WASM_RETURN(WASM_CALL_FUNCTION0(f1_index))};
f->EmitCode(code2, sizeof(code2));
WasmModuleWriter* writer = builder->Build(&zone);
TestModule(writer->WriteTo(&zone), 97);
}
#endif
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