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/*
* Copyright (C) 2025 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TestUtilities.h"
#if ENABLE(WEBASSEMBLY)
#include <span>
#include <wtf/DataLog.h>
#include <wtf/text/MakeString.h>
#include <wtf/text/StringView.h>
using namespace JSC;
using namespace JSC::Wasm;
namespace WasmDebugInfoTest {
static bool testMemoryLoadOpcode(OpType opcode, std::span<const char>)
{
Vector<uint8_t> functionBody = {
0x41, 0x00, // [0] i32.const 0 (address)
static_cast<uint8_t>(opcode), // [2] load opcode
0x00, // [3] alignment (LEB128)
0x00, // [4] offset (LEB128)
0x1a, // [5] drop
0x0b // [6] end
};
SourceModule module = createWasmModuleWithMemory(functionBody);
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 5 } } });
}
static bool testMemoryStoreOpcode(OpType opcode, std::span<const char> valueType)
{
Vector<uint8_t> functionBody = {
0x41, 0x00, // [0] i32.const 0 (address)
};
StringView valueTypeStr(valueType);
if (valueTypeStr.startsWith("I32"_s)) {
functionBody.appendVector(Vector<uint8_t> {
0x41, 0x2a, // [2] i32.const 42
static_cast<uint8_t>(opcode), // [4] store
0x00, // [5] alignment
0x00, // [6] offset
0x0b // [7] end
});
SourceModule module = createWasmModuleWithMemory(functionBody);
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 4 } },
{ 4, { 7 } }
});
} else if (valueTypeStr.startsWith("I64"_s)) {
functionBody.appendVector(Vector<uint8_t> {
0x42, 0x2a, // [2] i64.const 42
static_cast<uint8_t>(opcode), // [4] store
0x00, // [5] alignment
0x00, // [6] offset
0x0b // [7] end
});
SourceModule module = createWasmModuleWithMemory(functionBody);
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 4 } },
{ 4, { 7 } }
});
} else if (valueTypeStr.startsWith("F32"_s)) {
functionBody.appendVector(Vector<uint8_t> {
0x43, 0x00, 0x00, 0x80, 0x3f, // [2] f32.const 1.0
static_cast<uint8_t>(opcode), // [7] store
0x00, // [8] alignment
0x00, // [9] offset
0x0b // [10] end
});
SourceModule module = createWasmModuleWithMemory(functionBody);
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 7 } },
{ 7, { 10 } }
});
} else { // F64
functionBody.appendVector(Vector<uint8_t> {
0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x3f, // [2] f64.const 1.0
static_cast<uint8_t>(opcode), // [11] store
0x00, // [12] alignment
0x00, // [13] offset
0x0b // [14] end
});
SourceModule module = createWasmModuleWithMemory(functionBody);
return module.parseAndVerifyDebugInfo(opcode, {
{ 0, { 2 } },
{ 2, { 11 } },
{ 11, { 14 } }
});
}
}
void testAllMemoryOps()
{
dataLogLn("=== Testing All Memory Ops Coverage ===");
dataLogLn("Total memory load opcodes in WasmOps.h: ", TOTAL_MEMORY_LOAD_OPS);
dataLogLn("Total memory store opcodes in WasmOps.h: ", TOTAL_MEMORY_STORE_OPS);
int loadOpsTested = 0;
int loadOpsSucceeded = 0;
int storeOpsTested = 0;
int storeOpsSucceeded = 0;
#define TEST_MEMORY_LOAD_OP(name, opcode, b3type, width, type) \
do { \
loadOpsTested++; \
testsRun++; \
if (testMemoryLoadOpcode(OpType::name, #type)) { \
loadOpsSucceeded++; \
testsPassed++; \
} else { \
testsFailed++; \
dataLogLn("FAILED: ", #name, " memory load test"); \
} \
} while (0);
FOR_EACH_WASM_MEMORY_LOAD_OP(TEST_MEMORY_LOAD_OP)
#undef TEST_MEMORY_LOAD_OP
#define TEST_MEMORY_STORE_OP(name, opcode, b3type, width, type) \
do { \
storeOpsTested++; \
testsRun++; \
if (testMemoryStoreOpcode(OpType::name, #type)) { \
storeOpsSucceeded++; \
testsPassed++; \
} else { \
testsFailed++; \
dataLogLn("FAILED: ", #name, " memory store test"); \
} \
} while (0);
FOR_EACH_WASM_MEMORY_STORE_OP(TEST_MEMORY_STORE_OP)
#undef TEST_MEMORY_STORE_OP
TEST_ASSERT(loadOpsTested == TOTAL_MEMORY_LOAD_OPS, makeString("Tested all "_s, String::number(TOTAL_MEMORY_LOAD_OPS), " memory load ops"_s).utf8().data());
TEST_ASSERT(loadOpsSucceeded == TOTAL_MEMORY_LOAD_OPS, makeString("All "_s, String::number(TOTAL_MEMORY_LOAD_OPS), " memory load ops passed strict validation"_s).utf8().data());
TEST_ASSERT(storeOpsTested == TOTAL_MEMORY_STORE_OPS, makeString("Tested all "_s, String::number(TOTAL_MEMORY_STORE_OPS), " memory store ops"_s).utf8().data());
TEST_ASSERT(storeOpsSucceeded == TOTAL_MEMORY_STORE_OPS, makeString("All "_s, String::number(TOTAL_MEMORY_STORE_OPS), " memory store ops passed strict validation"_s).utf8().data());
dataLogLn(" Successfully tested with strict mapping validation: ", loadOpsSucceeded, " / ", loadOpsTested, " memory load ops");
dataLogLn(" Successfully tested with strict mapping validation: ", storeOpsSucceeded, " / ", storeOpsTested, " memory store ops");
dataLogLn("All memory ops coverage testing completed");
}
} // namespace WasmDebugInfoTest
#endif // ENABLE(WEBASSEMBLY)
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