| # Copyright 2016 the V8 project authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import StringIO |
| import unittest |
| import linux_perf_bytecode_annotate as bytecode_annotate |
| |
| |
| PERF_SCRIPT_OUTPUT = """ |
| # This line is a comment |
| # This should be ignored too |
| # |
| # cdefab01 aRandomSymbol::Name(to, be, ignored) |
| |
| 00000000 firstSymbol |
| 00000123 secondSymbol |
| |
| 01234567 foo |
| abcdef76 BytecodeHandler:bar+0x12 |
| 76543210 baz |
| abcdef76 BytecodeHandler:bar+0x16 |
| 76543210 baz |
| |
| 01234567 foo |
| abcdef76 BytecodeHandler:foo+0x1 |
| 76543210 baz |
| abcdef76 BytecodeHandler:bar+0x2 |
| 76543210 bar |
| |
| abcdef76 BytecodeHandler:bar+0x19 |
| |
| abcdef76 BytecodeHandler:bar+0x12 |
| |
| abcdef76 BytecodeHandler:bar+0x12 |
| """ |
| |
| |
| D8_CODEGEN_OUTPUT = """ |
| kind = BYTECODE_HANDLER |
| name = foo |
| compiler = turbofan |
| Instructions (size = 3) |
| 0x3101394a3c0 0 55 push rbp |
| 0x3101394a3c1 1 ffe3 jmp rbx |
| |
| kind = BYTECODE_HANDLER |
| name = bar |
| compiler = turbofan |
| Instructions (size = 5) |
| 0x3101394b3c0 0 55 push rbp |
| 0x3101394b3c1 1 4883c428 REX.W addq rsp,0x28 |
| # Unexpected comment |
| 0x3101394b3c5 5 ffe3 jmp rbx |
| |
| kind = BYTECODE_HANDLER |
| name = baz |
| compiler = turbofan |
| Instructions (size = 5) |
| 0x3101394c3c0 0 55 push rbp |
| 0x3101394c3c1 1 4883c428 REX.W addq rsp,0x28 |
| 0x3101394c3c5 5 ffe3 jmp rbx |
| """ |
| |
| |
| class LinuxPerfBytecodeAnnotateTest(unittest.TestCase): |
| |
| def test_bytecode_offset_generator(self): |
| perf_stream = StringIO.StringIO(PERF_SCRIPT_OUTPUT) |
| offsets = list( |
| bytecode_annotate.bytecode_offset_generator(perf_stream, "bar")) |
| self.assertListEqual(offsets, [18, 25, 18, 18]) |
| |
| def test_bytecode_disassembly_generator(self): |
| codegen_stream = StringIO.StringIO(D8_CODEGEN_OUTPUT) |
| disassembly = list( |
| bytecode_annotate.bytecode_disassembly_generator(codegen_stream, "bar")) |
| self.assertListEqual(disassembly, [ |
| "0x3101394b3c0 0 55 push rbp", |
| "0x3101394b3c1 1 4883c428 REX.W addq rsp,0x28", |
| "0x3101394b3c5 5 ffe3 jmp rbx"]) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |
