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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" |
(...skipping 17 matching lines...) Expand all Loading... |
28 __ pushq(PP); | 28 __ pushq(PP); |
29 __ LoadPoolPointer(); | 29 __ LoadPoolPointer(); |
30 prologue_code_size = assembler->CodeSize(); | 30 prologue_code_size = assembler->CodeSize(); |
31 __ JmpPatchable(*StubCode::InvokeDartCode_entry(), PP); | 31 __ JmpPatchable(*StubCode::InvokeDartCode_entry(), PP); |
32 __ JmpPatchable(*StubCode::AllocateArray_entry(), PP); | 32 __ JmpPatchable(*StubCode::AllocateArray_entry(), PP); |
33 __ popq(PP); | 33 __ popq(PP); |
34 __ ret(); | 34 __ ret(); |
35 } | 35 } |
36 | 36 |
37 | 37 |
38 ASSEMBLER_TEST_RUN(Jump, test) { | |
39 ASSERT(prologue_code_size != -1); | |
40 const Code& code = test->code(); | |
41 const Instructions& instrs = Instructions::Handle(code.instructions()); | |
42 bool status = | |
43 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), | |
44 instrs.size(), | |
45 VirtualMemory::kReadWrite); | |
46 EXPECT(status); | |
47 JumpPattern jump1(test->entry() + prologue_code_size, test->code()); | |
48 jump1.IsValid(); | |
49 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), | |
50 jump1.TargetAddress()); | |
51 JumpPattern jump2((test->entry() + | |
52 jump1.pattern_length_in_bytes() + prologue_code_size), | |
53 test->code()); | |
54 const Code& array_stub = | |
55 Code::Handle(StubCode::AllocateArray_entry()->code()); | |
56 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); | |
57 uword target1 = jump1.TargetAddress(); | |
58 uword target2 = jump2.TargetAddress(); | |
59 jump1.SetTargetAddress(target2); | |
60 jump2.SetTargetAddress(target1); | |
61 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); | |
62 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), | |
63 jump2.TargetAddress()); | |
64 } | |
65 | |
66 } // namespace dart | 38 } // namespace dart |
67 | 39 |
68 #endif // defined TARGET_ARCH_X64 | 40 #endif // defined TARGET_ARCH_X64 |
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