2d1f977c93
Support for relocatable globals, to facilitate compilation before instantiation. BUG=v8:5072 Review-Url: https://codereview.chromium.org/2062003002 Cr-Commit-Position: refs/heads/master@{#36978}
65 lines
3.7 KiB
C++
65 lines
3.7 KiB
C++
// Copyright 2015 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 <stdlib.h>
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#include "src/v8.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/compiler/c-signature.h"
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#include "test/cctest/wasm/wasm-run-utils.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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#define FOREACH_TYPE(TEST_BODY) \
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TEST_BODY(int8_t, Int8, WASM_I32_ADD) \
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TEST_BODY(uint8_t, Uint8, WASM_I32_ADD) \
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TEST_BODY(int16_t, Int16, WASM_I32_ADD) \
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TEST_BODY(uint16_t, Uint16, WASM_I32_ADD) \
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TEST_BODY(int32_t, Int32, WASM_I32_ADD) \
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TEST_BODY(uint32_t, Uint32, WASM_I32_ADD) \
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TEST_BODY(float, Float32, WASM_F32_ADD) \
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TEST_BODY(double, Float64, WASM_F64_ADD)
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#define LOAD_STORE_GLOBAL_TEST_BODY(C_TYPE, MACHINE_TYPE, ADD) \
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TEST(WasmRelocateGlobal##MACHINE_TYPE) { \
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TestingModule module(kExecuteCompiled); \
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module.AddGlobal<int32_t>(MachineType::MACHINE_TYPE()); \
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module.AddGlobal<int32_t>(MachineType::MACHINE_TYPE()); \
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\
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WasmRunner<C_TYPE> r(&module, MachineType::MACHINE_TYPE()); \
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\
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/* global = global + p0 */ \
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BUILD(r, \
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WASM_STORE_GLOBAL(1, ADD(WASM_LOAD_GLOBAL(0), WASM_GET_LOCAL(0)))); \
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CHECK_EQ(1, module.instance->function_code.size()); \
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\
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int filter = 1 << RelocInfo::WASM_GLOBAL_REFERENCE; \
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\
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Handle<Code> code = module.instance->function_code[0]; \
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\
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Address old_start = module.instance->globals_start; \
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Address new_start = old_start + 1; \
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\
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Address old_addresses[2]; \
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uint32_t address_index = 0U; \
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for (RelocIterator it(*code, filter); !it.done(); it.next()) { \
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old_addresses[address_index] = it.rinfo()->wasm_global_reference(); \
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it.rinfo()->update_wasm_global_reference(old_start, new_start); \
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++address_index; \
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} \
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CHECK_EQ(2U, address_index); \
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\
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address_index = 0U; \
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for (RelocIterator it(*code, filter); !it.done(); it.next()) { \
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CHECK_EQ(old_addresses[address_index] + 1, \
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it.rinfo()->wasm_global_reference()); \
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++address_index; \
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} \
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CHECK_EQ(2U, address_index); \
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}
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FOREACH_TYPE(LOAD_STORE_GLOBAL_TEST_BODY)
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