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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/instructions.h" | 9 #include "vm/instructions.h" |
10 #include "vm/stub_code.h" | 10 #include "vm/stub_code.h" |
11 #include "vm/unit_test.h" | 11 #include "vm/unit_test.h" |
12 | 12 |
13 namespace dart { | 13 namespace dart { |
14 | 14 |
15 #define __ assembler-> | 15 #define __ assembler-> |
16 | 16 |
17 ASSEMBLER_TEST_GENERATE(Call, assembler) { | 17 ASSEMBLER_TEST_GENERATE(Call, assembler) { |
18 StubCode* stub_code = Isolate::Current()->stub_code(); | 18 __ call(&StubCode::InvokeDartCodeLabel()); |
19 __ call(&stub_code->InvokeDartCodeLabel()); | |
20 __ ret(); | 19 __ ret(); |
21 } | 20 } |
22 | 21 |
23 | 22 |
24 static intptr_t prologue_code_size = -1; | 23 static intptr_t prologue_code_size = -1; |
25 | 24 |
26 | 25 |
27 ASSEMBLER_TEST_GENERATE(Jump, assembler) { | 26 ASSEMBLER_TEST_GENERATE(Jump, assembler) { |
28 ASSERT(assembler->CodeSize() == 0); | 27 ASSERT(assembler->CodeSize() == 0); |
29 __ pushq(PP); | 28 __ pushq(PP); |
30 __ LoadPoolPointer(PP); | 29 __ LoadPoolPointer(PP); |
31 prologue_code_size = assembler->CodeSize(); | 30 prologue_code_size = assembler->CodeSize(); |
32 StubCode* stub_code = Isolate::Current()->stub_code(); | 31 __ JmpPatchable(&StubCode::InvokeDartCodeLabel(), PP); |
33 __ JmpPatchable(&stub_code->InvokeDartCodeLabel(), PP); | 32 const ExternalLabel array_label(StubCode::AllocateArrayEntryPoint()); |
34 const Code& array_stub = Code::Handle(stub_code->GetAllocateArrayStub()); | |
35 const ExternalLabel array_label(array_stub.EntryPoint()); | |
36 __ JmpPatchable(&array_label, PP); | 33 __ JmpPatchable(&array_label, PP); |
37 __ popq(PP); | 34 __ popq(PP); |
38 __ ret(); | 35 __ ret(); |
39 } | 36 } |
40 | 37 |
41 | 38 |
42 ASSEMBLER_TEST_RUN(Jump, test) { | 39 ASSEMBLER_TEST_RUN(Jump, test) { |
43 ASSERT(prologue_code_size != -1); | 40 ASSERT(prologue_code_size != -1); |
44 const Code& code = test->code(); | 41 const Code& code = test->code(); |
45 const Instructions& instrs = Instructions::Handle(code.instructions()); | 42 const Instructions& instrs = Instructions::Handle(code.instructions()); |
46 StubCode* stub_code = Isolate::Current()->stub_code(); | |
47 bool status = | 43 bool status = |
48 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), | 44 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), |
49 instrs.size(), | 45 instrs.size(), |
50 VirtualMemory::kReadWrite); | 46 VirtualMemory::kReadWrite); |
51 EXPECT(status); | 47 EXPECT(status); |
52 JumpPattern jump1(test->entry() + prologue_code_size, test->code()); | 48 JumpPattern jump1(test->entry() + prologue_code_size, test->code()); |
53 jump1.IsValid(); | 49 jump1.IsValid(); |
54 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), | 50 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), |
55 jump1.TargetAddress()); | 51 jump1.TargetAddress()); |
56 JumpPattern jump2((test->entry() + | 52 JumpPattern jump2((test->entry() + |
57 jump1.pattern_length_in_bytes() + prologue_code_size), | 53 jump1.pattern_length_in_bytes() + prologue_code_size), |
58 test->code()); | 54 test->code()); |
59 const Code& array_stub = Code::Handle(stub_code->GetAllocateArrayStub()); | 55 const Code& array_stub = |
| 56 Code::Handle(StubCode::AllocateArray_entry()->code()); |
60 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); | 57 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); |
61 uword target1 = jump1.TargetAddress(); | 58 uword target1 = jump1.TargetAddress(); |
62 uword target2 = jump2.TargetAddress(); | 59 uword target2 = jump2.TargetAddress(); |
63 jump1.SetTargetAddress(target2); | 60 jump1.SetTargetAddress(target2); |
64 jump2.SetTargetAddress(target1); | 61 jump2.SetTargetAddress(target1); |
65 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); | 62 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); |
66 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), | 63 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), |
67 jump2.TargetAddress()); | 64 jump2.TargetAddress()); |
68 } | 65 } |
69 | 66 |
70 } // namespace dart | 67 } // namespace dart |
71 | 68 |
72 #endif // defined TARGET_ARCH_X64 | 69 #endif // defined TARGET_ARCH_X64 |
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