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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
| 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" |
| (...skipping 11 matching lines...) Expand all Loading... |
| 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::InvokeDartCode_entry()->label().address(), | 32 EXPECT_EQ(StubCode::InvokeDartCode_entry()->code(), |
| 33 call.TargetAddress()); | 33 call.TargetCode()); |
| 34 } | 34 } |
| 35 | 35 |
| 36 | 36 |
| 37 ASSEMBLER_TEST_GENERATE(Jump, assembler) { | |
| 38 __ BranchPatchable(*StubCode::InvokeDartCode_entry()); | |
| 39 __ BranchPatchable(*StubCode::AllocateArray_entry()); | |
| 40 } | |
| 41 | |
| 42 | |
| 43 ASSEMBLER_TEST_RUN(Jump, test) { | |
| 44 const Code& code = test->code(); | |
| 45 const Instructions& instrs = Instructions::Handle(code.instructions()); | |
| 46 bool status = | |
| 47 VirtualMemory::Protect(reinterpret_cast<void*>(instrs.EntryPoint()), | |
| 48 instrs.size(), | |
| 49 VirtualMemory::kReadWrite); | |
| 50 EXPECT(status); | |
| 51 JumpPattern jump1(test->entry(), test->code()); | |
| 52 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), | |
| 53 jump1.TargetAddress()); | |
| 54 JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(), | |
| 55 test->code()); | |
| 56 const Code& array_stub = | |
| 57 Code::Handle(StubCode::AllocateArray_entry()->code()); | |
| 58 EXPECT_EQ(array_stub.EntryPoint(), jump2.TargetAddress()); | |
| 59 uword target1 = jump1.TargetAddress(); | |
| 60 uword target2 = jump2.TargetAddress(); | |
| 61 jump1.SetTargetAddress(target2); | |
| 62 jump2.SetTargetAddress(target1); | |
| 63 EXPECT_EQ(array_stub.EntryPoint(), jump1.TargetAddress()); | |
| 64 EXPECT_EQ(StubCode::InvokeDartCode_entry()->label().address(), | |
| 65 jump2.TargetAddress()); | |
| 66 } | |
| 67 | |
| 68 } // namespace dart | 37 } // namespace dart |
| 69 | 38 |
| 70 #endif // defined TARGET_ARCH_ARM64 | 39 #endif // defined TARGET_ARCH_ARM64 |
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