Initial import of v8-native WASM.

test/cctest/wasm/test-run-wasm-module.cc

+// 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);
+}
+
+
+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);
+}
+
+
+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);
+}
+
+
+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);
+}