diff options
Diffstat (limited to 'deps/v8/src/ia32/stub-cache-ia32.cc')
-rw-r--r-- | deps/v8/src/ia32/stub-cache-ia32.cc | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/deps/v8/src/ia32/stub-cache-ia32.cc b/deps/v8/src/ia32/stub-cache-ia32.cc index ca4e14210..3e5fc0479 100644 --- a/deps/v8/src/ia32/stub-cache-ia32.cc +++ b/deps/v8/src/ia32/stub-cache-ia32.cc @@ -776,20 +776,39 @@ void StubCompiler::GenerateLoadCallback(JSObject* object, CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); - // Push the arguments on the JS stack of the caller. - __ pop(scratch2); // remove return address + Handle<AccessorInfo> callback_handle(callback); + + Register other = reg.is(scratch1) ? scratch2 : scratch1; + __ EnterInternalFrame(); + __ PushHandleScope(other); + // Push the stack address where the list of arguments ends + __ mov(other, esp); + __ sub(Operand(other), Immediate(2 * kPointerSize)); + __ push(other); __ push(receiver); // receiver __ push(reg); // holder - __ mov(reg, Immediate(Handle<AccessorInfo>(callback))); // callback data - __ push(reg); - __ push(FieldOperand(reg, AccessorInfo::kDataOffset)); + __ mov(other, Immediate(callback_handle)); + __ push(other); + __ push(FieldOperand(other, AccessorInfo::kDataOffset)); // data __ push(name_reg); // name - __ push(scratch2); // restore return address + // Save a pointer to where we pushed the arguments pointer. + // This will be passed as the const Arguments& to the C++ callback. + __ mov(eax, esp); + __ add(Operand(eax), Immediate(5 * kPointerSize)); + __ mov(ebx, esp); + + // Do call through the api. + ASSERT_EQ(6, ApiGetterEntryStub::kStackSpace); + Address getter_address = v8::ToCData<Address>(callback->getter()); + ApiFunction fun(getter_address); + ApiGetterEntryStub stub(callback_handle, &fun); + __ CallStub(&stub); - // Do tail-call to the runtime system. - ExternalReference load_callback_property = - ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); - __ TailCallRuntime(load_callback_property, 5, 1); + Register tmp = other.is(eax) ? reg : other; + __ PopHandleScope(tmp); + __ LeaveInternalFrame(); + + __ ret(0); } |