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