48 lines
1.1 KiB
Python
Executable File
48 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# USAGE: test_uprobe2.py
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#
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# Copyright 2020 Facebook, Inc
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# Licensed under the Apache License, Version 2.0 (the "License")
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from bcc import BPF
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from unittest import main, TestCase
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from subprocess import Popen, PIPE
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from tempfile import NamedTemporaryFile
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class TestUprobes(TestCase):
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def setUp(self):
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lib_text = b"""
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__attribute__((__visibility__("default"))) void fun()
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{
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}
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"""
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self.bpf_text = """
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int trace_fun_call(void *ctx) {{
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return 1;
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}}
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"""
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# Compile and run the application
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self.ftemp = NamedTemporaryFile(delete=False)
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self.ftemp.close()
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comp = Popen([
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"gcc",
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"-x", "c",
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"-shared",
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"-Wl,-Ttext-segment,0x2000000",
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"-o", self.ftemp.name,
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"-"
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], stdin=PIPE)
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comp.stdin.write(lib_text)
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comp.stdin.close()
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self.assertEqual(comp.wait(), 0)
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def test_attach1(self):
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b = BPF(text=self.bpf_text)
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b.attach_uprobe(name=self.ftemp.name, sym="fun", fn_name="trace_fun_call")
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if __name__ == "__main__":
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main()
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