diff options
Diffstat (limited to 'deps/v8/test/cctest/wasm/test-run-wasm-relocation.cc')
| -rw-r--r-- | deps/v8/test/cctest/wasm/test-run-wasm-relocation.cc | 87 |
1 files changed, 42 insertions, 45 deletions
diff --git a/deps/v8/test/cctest/wasm/test-run-wasm-relocation.cc b/deps/v8/test/cctest/wasm/test-run-wasm-relocation.cc index 030b7a4288..482ab9e905 100644 --- a/deps/v8/test/cctest/wasm/test-run-wasm-relocation.cc +++ b/deps/v8/test/cctest/wasm/test-run-wasm-relocation.cc @@ -17,54 +17,51 @@ namespace internal { namespace wasm { namespace test_run_wasm_relocation { -#define FOREACH_TYPE(TEST_BODY) \ - TEST_BODY(int32_t, WASM_I32_ADD) \ - TEST_BODY(int64_t, WASM_I64_ADD) \ - TEST_BODY(float, WASM_F32_ADD) \ - TEST_BODY(double, WASM_F64_ADD) +WASM_COMPILED_EXEC_TEST(RunPatchWasmContext) { + WasmRunner<uint32_t, uint32_t> r(execution_mode); + Isolate* isolate = CcTest::i_isolate(); -#define LOAD_SET_GLOBAL_TEST_BODY(C_TYPE, ADD) \ - WASM_EXEC_TEST(WasmRelocateGlobal_##C_TYPE) { \ - WasmRunner<C_TYPE, C_TYPE> r(execution_mode); \ - Isolate* isolate = CcTest::i_isolate(); \ - \ - r.builder().AddGlobal<C_TYPE>(); \ - r.builder().AddGlobal<C_TYPE>(); \ - \ - /* global = global + p0 */ \ - BUILD(r, WASM_SET_GLOBAL(1, ADD(WASM_GET_GLOBAL(0), WASM_GET_LOCAL(0))), \ - WASM_GET_GLOBAL(0)); \ - CHECK_EQ(1, r.builder().CodeTableLength()); \ - \ - int filter = 1 << RelocInfo::WASM_GLOBAL_REFERENCE; \ - \ - Handle<Code> code = r.builder().GetFunctionCode(0); \ - \ - Address old_start = r.builder().globals_start(); \ - Address new_start = old_start + 1; \ - \ - Address old_addresses[4]; \ - uint32_t address_index = 0U; \ - for (RelocIterator it(*code, filter); !it.done(); it.next()) { \ - old_addresses[address_index] = it.rinfo()->wasm_global_reference(); \ - it.rinfo()->update_wasm_global_reference(isolate, old_start, new_start); \ - ++address_index; \ - } \ - CHECK_LE(address_index, 4U); \ - \ - address_index = 0U; \ - for (RelocIterator it(*code, filter); !it.done(); it.next()) { \ - CHECK_EQ(old_addresses[address_index] + 1, \ - it.rinfo()->wasm_global_reference()); \ - ++address_index; \ - } \ - CHECK_LE(address_index, 4U); \ - } + r.builder().AddGlobal<uint32_t>(); + r.builder().AddGlobal<uint32_t>(); + + BUILD(r, WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0)), WASM_GET_GLOBAL(0)); + CHECK_EQ(1, r.builder().CodeTableLength()); + + // Run with the old global data. + CHECK_EQ(113, r.Call(113)); + + WasmContext* old_wasm_context = + r.builder().instance_object()->wasm_context()->get(); + Address old_wasm_context_address = + reinterpret_cast<Address>(old_wasm_context); -FOREACH_TYPE(LOAD_SET_GLOBAL_TEST_BODY) + uint32_t new_global_data[3] = {0, 0, 0}; + WasmContext new_wasm_context; + new_wasm_context.globals_start = reinterpret_cast<byte*>(new_global_data); + + { + // TODO(6792): No longer needed once WebAssembly code is off heap. + CodeSpaceMemoryModificationScope modification_scope(isolate->heap()); + + // Patch in a new WasmContext that points to the new global data. + int filter = 1 << RelocInfo::WASM_CONTEXT_REFERENCE; + bool patched = false; + Handle<Code> code = r.GetWrapperCode(); + for (RelocIterator it(*code, filter); !it.done(); it.next()) { + CHECK_EQ(old_wasm_context_address, it.rinfo()->wasm_context_reference()); + it.rinfo()->set_wasm_context_reference( + isolate, reinterpret_cast<Address>(&new_wasm_context)); + patched = true; + } + CHECK(patched); + Assembler::FlushICache(isolate, code->instruction_start(), + code->instruction_size()); + } -#undef FOREACH_TYPE -#undef LOAD_SET_GLOBAL_TEST_BODY + // Run with the new global data. + CHECK_EQ(115, r.Call(115)); + CHECK_EQ(115, new_global_data[0]); +} } // namespace test_run_wasm_relocation } // namespace wasm |