OLD | NEW |
1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/cpu.h" | 9 #include "vm/cpu.h" |
10 #include "vm/instructions.h" | 10 #include "vm/instructions.h" |
11 #include "vm/stub_code.h" | 11 #include "vm/stub_code.h" |
12 #include "vm/unit_test.h" | 12 #include "vm/unit_test.h" |
13 | 13 |
14 namespace dart { | 14 namespace dart { |
15 | 15 |
16 #define __ assembler-> | 16 #define __ assembler-> |
17 | 17 |
18 ASSEMBLER_TEST_GENERATE(Call, assembler) { | 18 ASSEMBLER_TEST_GENERATE(Call, assembler) { |
19 // Code accessing pp is generated, but not executed. Uninitialized pp is OK. | 19 // Code accessing pp is generated, but not executed. Uninitialized pp is OK. |
20 __ set_constant_pool_allowed(true); | 20 __ set_constant_pool_allowed(true); |
21 __ BranchLinkPatchable(&StubCode::InvokeDartCodeLabel()); | 21 __ BranchLinkPatchable(*StubCode::InvokeDartCode_entry()); |
22 __ Ret(); | 22 __ Ret(); |
23 } | 23 } |
24 | 24 |
25 | 25 |
26 ASSEMBLER_TEST_RUN(Call, test) { | 26 ASSEMBLER_TEST_RUN(Call, test) { |
27 // The return address, which must be the address of an instruction contained | 27 // The return address, which must be the address of an instruction contained |
28 // in the code, points to the Ret instruction above, i.e. one instruction | 28 // in the code, points to the Ret instruction above, i.e. one instruction |
29 // before the end of the code buffer. | 29 // before the end of the code buffer. |
30 CallPattern call(test->entry() + test->code().Size() - Instr::kInstrSize, | 30 CallPattern call(test->entry() + test->code().Size() - Instr::kInstrSize, |
31 test->code()); | 31 test->code()); |
32 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 32 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), |
33 call.TargetAddress()); | 33 call.TargetAddress()); |
34 } | 34 } |
35 | 35 |
36 | 36 |
37 ASSEMBLER_TEST_GENERATE(Jump, assembler) { | 37 ASSEMBLER_TEST_GENERATE(Jump, assembler) { |
38 __ BranchPatchable(&StubCode::InvokeDartCodeLabel()); | 38 __ BranchPatchable(*StubCode::InvokeDartCode_entry()); |
39 const ExternalLabel array_label(StubCode::AllocateArrayEntryPoint()); | 39 __ BranchPatchable(*StubCode::AllocateArray_entry()); |
40 __ BranchPatchable(&array_label); | |
41 } | 40 } |
42 | 41 |
43 | 42 |
44 ASSEMBLER_TEST_RUN(Jump, test) { | 43 ASSEMBLER_TEST_RUN(Jump, test) { |
45 const Code& code = test->code(); | 44 const Code& code = test->code(); |
46 const Instructions& instrs = Instructions::Handle(code.instructions()); | 45 const Instructions& instrs = Instructions::Handle(code.instructions()); |
47 bool status = | 46 bool status = |
48 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), | 47 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), |
49 instrs.size(), | 48 instrs.size(), |
50 VirtualMemory::kReadWrite); | 49 VirtualMemory::kReadWrite); |
51 EXPECT(status); | 50 EXPECT(status); |
52 JumpPattern jump1(test->entry(), test->code()); | 51 JumpPattern jump1(test->entry(), test->code()); |
53 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 52 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), |
54 jump1.TargetAddress()); | 53 jump1.TargetAddress()); |
55 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(), | 54 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(), |
56 test->code()); | 55 test->code()); |
57 const Code& array_stub = | 56 const Code& array_stub = |
58 Code::Handle(StubCode::AllocateArray_entry()->code()); | 57 Code::Handle(StubCode::AllocateArray_entry()->code()); |
59 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); | 58 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); |
60 uword target1 = jump1.TargetAddress(); | 59 uword target1 = jump1.TargetAddress(); |
61 uword target2 = jump2.TargetAddress(); | 60 uword target2 = jump2.TargetAddress(); |
62 jump1.SetTargetAddress(target2); | 61 jump1.SetTargetAddress(target2); |
63 jump2.SetTargetAddress(target1); | 62 jump2.SetTargetAddress(target1); |
64 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); | 63 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); |
65 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 64 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), |
66 jump2.TargetAddress()); | 65 jump2.TargetAddress()); |
67 } | 66 } |
68 | 67 |
69 | 68 |
70 #if defined(USING_SIMULATOR) | 69 #if defined(USING_SIMULATOR) |
71 ASSEMBLER_TEST_GENERATE(JumpARMv6, assembler) { | 70 ASSEMBLER_TEST_GENERATE(JumpARMv6, assembler) { |
72 // ARMv7 is the default. | 71 // ARMv7 is the default. |
73 HostCPUFeatures::set_arm_version(ARMv6); | 72 HostCPUFeatures::set_arm_version(ARMv6); |
74 __ BranchPatchable(&StubCode::InvokeDartCodeLabel()); | 73 __ BranchPatchable(*StubCode::InvokeDartCode_entry()); |
75 const ExternalLabel array_label(StubCode::AllocateArrayEntryPoint()); | 74 __ BranchPatchable(*StubCode::AllocateArray_entry()); |
76 __ BranchPatchable(&array_label); | |
77 HostCPUFeatures::set_arm_version(ARMv7); | 75 HostCPUFeatures::set_arm_version(ARMv7); |
78 } | 76 } |
79 | 77 |
80 | 78 |
81 ASSEMBLER_TEST_RUN(JumpARMv6, test) { | 79 ASSEMBLER_TEST_RUN(JumpARMv6, test) { |
82 HostCPUFeatures::set_arm_version(ARMv6); | 80 HostCPUFeatures::set_arm_version(ARMv6); |
83 const Code& code = test->code(); | 81 const Code& code = test->code(); |
84 const Instructions& instrs = Instructions::Handle(code.instructions()); | 82 const Instructions& instrs = Instructions::Handle(code.instructions()); |
85 bool status = | 83 bool status = |
86 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), | 84 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), |
87 instrs.size(), | 85 instrs.size(), |
88 VirtualMemory::kReadWrite); | 86 VirtualMemory::kReadWrite); |
89 EXPECT(status); | 87 EXPECT(status); |
90 JumpPattern jump1(test->entry(), test->code()); | 88 JumpPattern jump1(test->entry(), test->code()); |
91 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 89 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), |
92 jump1.TargetAddress()); | 90 jump1.TargetAddress()); |
93 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(), | 91 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(), |
94 test->code()); | 92 test->code()); |
95 const Code& array_stub = | 93 const Code& array_stub = |
96 Code::Handle(StubCode::AllocateArray_entry()->code()); | 94 Code::Handle(StubCode::AllocateArray_entry()->code()); |
97 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); | 95 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); |
98 uword target1 = jump1.TargetAddress(); | 96 uword target1 = jump1.TargetAddress(); |
99 uword target2 = jump2.TargetAddress(); | 97 uword target2 = jump2.TargetAddress(); |
100 jump1.SetTargetAddress(target2); | 98 jump1.SetTargetAddress(target2); |
101 jump2.SetTargetAddress(target1); | 99 jump2.SetTargetAddress(target1); |
102 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); | 100 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); |
103 EXPECT_EQ(StubCode::InvokeDartCodeLabel().address(), | 101 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), |
104 jump2.TargetAddress()); | 102 jump2.TargetAddress()); |
105 HostCPUFeatures::set_arm_version(ARMv7); | 103 HostCPUFeatures::set_arm_version(ARMv7); |
106 } | 104 } |
107 #endif | 105 #endif |
108 | 106 |
109 } // namespace dart | 107 } // namespace dart |
110 | 108 |
111 #endif // defined TARGET_ARCH_ARM | 109 #endif // defined TARGET_ARCH_ARM |
OLD | NEW |