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Issue 600243002: Patchable AllocateArray stub, like instance allocation stubs. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 2 months ago
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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_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
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 19 matching lines...) Expand all
30 test->code()); 30 test->code());
31 StubCode* stub_code = Isolate::Current()->stub_code(); 31 StubCode* stub_code = Isolate::Current()->stub_code();
32 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), 32 EXPECT_EQ(stub_code->InvokeDartCodeLabel().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 StubCode* stub_code = Isolate::Current()->stub_code(); 38 StubCode* stub_code = Isolate::Current()->stub_code();
39 __ BranchPatchable(&stub_code->InvokeDartCodeLabel()); 39 __ BranchPatchable(&stub_code->InvokeDartCodeLabel());
40 __ BranchPatchable(&stub_code->AllocateArrayLabel()); 40 const Code& array_stub = Code::Handle(stub_code->GetAllocateArrayStub());
41 const ExternalLabel array_label(array_stub.EntryPoint());
42 __ BranchPatchable(&array_label);
41 } 43 }
42 44
43 45
44 ASSEMBLER_TEST_RUN(Jump, test) { 46 ASSEMBLER_TEST_RUN(Jump, test) {
45 const Code& code = test->code(); 47 const Code& code = test->code();
46 const Instructions& instrs = Instructions::Handle(code.instructions()); 48 const Instructions& instrs = Instructions::Handle(code.instructions());
47 bool status = 49 bool status =
48 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), 50 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()),
49 instrs.size(), 51 instrs.size(),
50 VirtualMemory::kReadWrite); 52 VirtualMemory::kReadWrite);
51 StubCode* stub_code = Isolate::Current()->stub_code(); 53 StubCode* stub_code = Isolate::Current()->stub_code();
52 EXPECT(status); 54 EXPECT(status);
53 JumpPattern jump1(test->entry(), test->code()); 55 JumpPattern jump1(test->entry(), test->code());
54 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), 56 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(),
55 jump1.TargetAddress()); 57 jump1.TargetAddress());
56 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(), 58 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(),
57 test->code()); 59 test->code());
58 EXPECT_EQ(stub_code->AllocateArrayLabel().address(), 60 const Code& array_stub = Code::Handle(stub_code->GetAllocateArrayStub());
59 jump2.TargetAddress()); 61 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress());
60 uword target1 = jump1.TargetAddress(); 62 uword target1 = jump1.TargetAddress();
61 uword target2 = jump2.TargetAddress(); 63 uword target2 = jump2.TargetAddress();
62 jump1.SetTargetAddress(target2); 64 jump1.SetTargetAddress(target2);
63 jump2.SetTargetAddress(target1); 65 jump2.SetTargetAddress(target1);
64 EXPECT_EQ(stub_code->AllocateArrayLabel().address(), 66 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress());
65 jump1.TargetAddress());
66 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(), 67 EXPECT_EQ(stub_code->InvokeDartCodeLabel().address(),
67 jump2.TargetAddress()); 68 jump2.TargetAddress());
68 } 69 }
69 70
70 } // namespace dart 71 } // namespace dart
71 72
72 #endif // defined TARGET_ARCH_MIPS 73 #endif // defined TARGET_ARCH_MIPS
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