diff options
Diffstat (limited to 'deps/v8/test/cctest/test-isolate-independent-builtins.cc')
| -rw-r--r-- | deps/v8/test/cctest/test-isolate-independent-builtins.cc | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/deps/v8/test/cctest/test-isolate-independent-builtins.cc b/deps/v8/test/cctest/test-isolate-independent-builtins.cc index 0305d0a2d6..c878484976 100644 --- a/deps/v8/test/cctest/test-isolate-independent-builtins.cc +++ b/deps/v8/test/cctest/test-isolate-independent-builtins.cc @@ -20,92 +20,6 @@ namespace v8 { namespace internal { namespace test_isolate_independent_builtins { -#ifdef V8_EMBEDDED_BUILTINS -UNINITIALIZED_TEST(VerifyBuiltinsIsolateIndependence) { - v8::Isolate::CreateParams create_params; - create_params.array_buffer_allocator = CcTest::array_buffer_allocator(); - v8::Isolate* v8_isolate = v8::Isolate::New(create_params); - - { - v8::Isolate::Scope isolate_scope(v8_isolate); - v8::internal::Isolate* isolate = - reinterpret_cast<v8::internal::Isolate*>(v8_isolate); - HandleScope handle_scope(isolate); - - Snapshot::EnsureAllBuiltinsAreDeserialized(isolate); - - // TODO(jgruber,v8:6666): Investigate CONST_POOL and VENEER_POOL kinds. - // CONST_POOL is currently relevant on {arm,arm64,mips,mips64,ppc,s390}. - // Rumors are it will also become relevant on x64. My - // understanding is that we should be fine if we ensure it - // doesn't contain heap constants and we use pc-relative - // addressing. - // VENEER_POOL is arm64-only. From what I've seen, jumps are pc-relative - // and stay within the same code object and thus should be - // isolate-independent. - - // Build a white-list of all isolate-independent RelocInfo entry kinds. - constexpr int all_real_modes_mask = - (1 << (RelocInfo::LAST_REAL_RELOC_MODE + 1)) - 1; - constexpr int mode_mask = - all_real_modes_mask & ~RelocInfo::ModeMask(RelocInfo::COMMENT) & - ~RelocInfo::ModeMask(RelocInfo::INTERNAL_REFERENCE) & - ~RelocInfo::ModeMask(RelocInfo::INTERNAL_REFERENCE_ENCODED) & - ~RelocInfo::ModeMask(RelocInfo::OFF_HEAP_TARGET) & - ~RelocInfo::ModeMask(RelocInfo::CONST_POOL) & - ~RelocInfo::ModeMask(RelocInfo::VENEER_POOL); - STATIC_ASSERT(RelocInfo::LAST_REAL_RELOC_MODE == RelocInfo::VENEER_POOL); - STATIC_ASSERT(RelocInfo::ModeMask(RelocInfo::COMMENT) == - (1 << RelocInfo::COMMENT)); - STATIC_ASSERT( - mode_mask == - (RelocInfo::ModeMask(RelocInfo::CODE_TARGET) | - RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT) | - RelocInfo::ModeMask(RelocInfo::WASM_GLOBAL_HANDLE) | - RelocInfo::ModeMask(RelocInfo::WASM_CALL) | - RelocInfo::ModeMask(RelocInfo::JS_TO_WASM_CALL) | - RelocInfo::ModeMask(RelocInfo::RUNTIME_ENTRY) | - RelocInfo::ModeMask(RelocInfo::EXTERNAL_REFERENCE))); - - constexpr bool kVerbose = false; - bool found_mismatch = false; - for (int i = 0; i < Builtins::builtin_count; i++) { - Code* code = isolate->builtins()->builtin(i); - - bool is_isolate_independent = true; - for (RelocIterator it(code, mode_mask); !it.done(); it.next()) { - if (kVerbose) { - if (is_isolate_independent) { - printf("%s %s\n", Builtins::KindNameOf(i), - isolate->builtins()->name(i)); - } -#ifdef ENABLE_DISASSEMBLER - RelocInfo::Mode mode = it.rinfo()->rmode(); - printf(" %s\n", RelocInfo::RelocModeName(mode)); -#endif - } - is_isolate_independent = false; - } - - // Relaxed condition only checks whether the isolate-independent list is - // valid, not whether it is complete. This is to avoid constant work - // updating the list. - bool should_be_isolate_independent = Builtins::IsIsolateIndependent(i); - if (should_be_isolate_independent && !is_isolate_independent) { - found_mismatch = true; - printf("%s %s expected: %d, is: %d\n", Builtins::KindNameOf(i), - isolate->builtins()->name(i), should_be_isolate_independent, - is_isolate_independent); - } - } - - CHECK(!found_mismatch); - } - - v8_isolate->Dispose(); -} -#endif // V8_EMBEDDED_BUILTINS - // V8_CC_MSVC is true for both MSVC and clang on windows. clang can handle // __asm__-style inline assembly but MSVC cannot, and thus we need a more // precise compiler detection that can distinguish between the two. clang on |