regis@google.com
8c44be4313
Modify code patching infrastructure to accept code object, which is necessary to get to the object pool containing patchable target addresses. Modify assembler test infrastructure to provide associated code object. Review URL: https://codereview.chromium.org//12260026 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@18604 260f80e4-7a28-3924-810f-c04153c831b5
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/native_entry_test.h"
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#include "vm/assembler.h"
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#include "vm/code_patcher.h"
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#include "vm/dart_api_impl.h"
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#include "vm/native_entry.h"
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#include "vm/object.h"
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#include "vm/stack_frame.h"
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#include "vm/stub_code.h"
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#include "vm/unit_test.h"
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namespace dart {
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// A native call for test purposes.
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// Arg0: a smi.
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// Arg1: a smi.
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// Result: a smi representing arg0 - arg1.
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void TestSmiSub(Dart_NativeArguments args) {
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Dart_EnterScope();
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Dart_Handle left = Dart_GetNativeArgument(args, 0);
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Dart_Handle right = Dart_GetNativeArgument(args, 1);
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int64_t left_value = -1;
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int64_t right_value = -1;
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EXPECT_VALID(Dart_IntegerToInt64(left, &left_value));
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EXPECT_VALID(Dart_IntegerToInt64(right, &right_value));
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// Ignoring overflow in the calculation below.
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int64_t result = left_value - right_value;
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Dart_SetReturnValue(args, Dart_NewInteger(result));
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Dart_ExitScope();
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}
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// A native call for test purposes.
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// Arg0-4: 5 smis.
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// Result: a smi representing the sum of all arguments.
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void TestSmiSum(Dart_NativeArguments args) {
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Dart_EnterScope();
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int64_t result = 0;
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int arg_count = Dart_GetNativeArgumentCount(args);
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for (int i = 0; i < arg_count; i++) {
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Dart_Handle arg = Dart_GetNativeArgument(args, i);
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int64_t arg_value = -1;
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EXPECT_VALID(Dart_IntegerToInt64(arg, &arg_value));
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// Ignoring overflow in the addition below.
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result += arg_value;
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}
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Dart_SetReturnValue(args, Dart_NewInteger(result));
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Dart_ExitScope();
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}
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// Test for accepting null arguments in native function.
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// Arg0-4: 5 smis or null.
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// Result: a smi representing the sum of all non-null arguments.
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void TestNonNullSmiSum(Dart_NativeArguments args) {
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Dart_EnterScope();
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Isolate* isolate = Isolate::Current();
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int64_t result = 0;
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int arg_count = Dart_GetNativeArgumentCount(args);
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// Test the lower level macro GET_NATIVE_ARGUMENT.
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NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
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for (int i = 0; i < arg_count; i++) {
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Dart_Handle arg = Dart_GetNativeArgument(args, i);
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GET_NATIVE_ARGUMENT(Integer, argument, arguments->NativeArgAt(i));
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EXPECT(argument.IsInteger()); // May be null.
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EXPECT_EQ(Api::UnwrapHandle(arg), argument.raw()); // May be null.
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int64_t arg_value = -1;
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if (argument.IsNull()) {
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EXPECT_ERROR(Dart_IntegerToInt64(arg, &arg_value),
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"Dart_IntegerToInt64 expects argument 'integer' "
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"to be non-null.");
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} else {
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EXPECT_VALID(Dart_IntegerToInt64(arg, &arg_value));
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EXPECT_EQ(arg_value, argument.AsInt64Value());
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// Ignoring overflow in the addition below.
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result += arg_value;
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}
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}
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Dart_SetReturnValue(args, Dart_NewInteger(result));
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Dart_ExitScope();
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}
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// Test code patching.
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void TestStaticCallPatching(Dart_NativeArguments args) {
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Dart_EnterScope();
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DartFrameIterator iterator;
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iterator.NextFrame(); // Skip native call.
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StackFrame* static_caller_frame = iterator.NextFrame();
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const Code& code = Code::Handle(static_caller_frame->LookupDartCode());
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uword target_address =
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CodePatcher::GetStaticCallTargetAt(static_caller_frame->pc(), code);
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const Function& target_function =
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Function::Handle(code.GetStaticCallTargetFunctionAt(
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static_caller_frame->pc()));
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EXPECT(String::Handle(target_function.name()).
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Equals(String::Handle(String::New("NativePatchStaticCall"))));
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const uword function_entry_address =
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Code::Handle(target_function.CurrentCode()).EntryPoint();
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EXPECT_EQ(function_entry_address, target_address);
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Dart_ExitScope();
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}
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} // namespace dart
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