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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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63 lines
1.8 KiB
Python
Executable File
63 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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TODO port this to Python fully. I started it, but then it was hanging on some
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IO blocking annoyance in the pipeline, and I don't have the time to deal with
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it, so I'm just going to forward the common options to the old shell script for
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now...
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'''
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import os
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import re
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import subprocess
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import sys
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import common
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parser = self.get_argparse(argparse_args={
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'description': 'Convert an execution trace containing PC values into the Linux kernel linex executed'
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})
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args = self.setup(parser)
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sys.exit(subprocess.Popen([
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os.path.join(kwargs['root_dir'], 'trace2line.sh'),
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'true' if kwargs['emulator'] == 'gem5' else 'false',
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kwargs['trace_txt_file'],
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self.get_toolchain_tool('addr2line'),
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kwargs['vmlinux'],
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kwargs['run_dir'],
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]).wait())
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# This was the full conversion attempt.
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# if kwargs['emulator'] == 'gem5':
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# def get_pc(line):
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# # TODO
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# # stdin = sed -r 's/^.* (0x[^. ]*)[. ].*/\1/' "$common_trace_txt_file")
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# pass
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# else:
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# def get_pc(line):
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# return line.split('=')[-1]
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# with \
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# subprocess.Popen(
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# [
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# self.get_toolchain_tool('addr2line'),
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# '-e',
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# kwargs['vmlinux'],
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# '-f',
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# '-p',
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# ],
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# stdout=subprocess.PIPE,
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# stdin=subprocess.PIPE,
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# ) as proc, \
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# open(kwargs['trace_txt_file'], 'r') as infile, \
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# open(os.path.join(kwargs['run_dir'], 'trace-lines.txt'), 'w') as outfile \
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# :
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# for in_line in infile:
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# proc.stdin.write(get_pc(in_line).encode())
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# proc.stdin.flush()
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# stdout = proc.stdout.read()
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# outfile.write(stdout.decode())
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# # TODO
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# # sed -E "s|at ${kwargs['linux_build_dir']}/(\./\|)||"
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# # uniq -c
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