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"""
This module is just for testing concepts. It should be erased later on.
Experiments:
// gdb -p 4957
// call dlopen("/home/fabioz/Desktop/dev/PyDev.Debugger/pydevd_attach_to_process/linux/attach_linux.so", 2)
// call dlsym($1, "hello")
// call hello()
// call open("/home/fabioz/Desktop/dev/PyDev.Debugger/pydevd_attach_to_process/linux/attach_linux.so", 2)
// call mmap(0, 6672, 1 | 2 | 4, 1, 3 , 0)
// add-symbol-file
// cat /proc/pid/maps
// call dlopen("/home/fabioz/Desktop/dev/PyDev.Debugger/pydevd_attach_to_process/linux/attach_linux.so", 1|8)
// call dlsym($1, "hello")
// call hello()
"""
import subprocess
import sys
import os
import time
if __name__ == "__main__":
linux_dir = os.path.join(os.path.dirname(__file__), "linux")
os.chdir(linux_dir)
so_location = os.path.join(linux_dir, "attach_linux.so")
try:
os.remove(so_location)
except:
pass
subprocess.call("g++ -shared -o attach_linux.so -fPIC -nostartfiles attach_linux.c".split())
print("Finished compiling")
assert os.path.exists("/home/fabioz/Desktop/dev/PyDev.Debugger/pydevd_attach_to_process/linux/attach_linux.so")
os.chdir(os.path.dirname(linux_dir))
# import attach_pydevd
# attach_pydevd.main(attach_pydevd.process_command_line(['--pid', str(p.pid)]))
p = subprocess.Popen([sys.executable, "-u", "_always_live_program.py"])
print("Size of file: %s" % (os.stat(so_location).st_size))
# (gdb) set architecture
# Requires an argument. Valid arguments are i386, i386:x86-64, i386:x64-32, i8086, i386:intel, i386:x86-64:intel, i386:x64-32:intel, i386:nacl, i386:x86-64:nacl, i386:x64-32:nacl, auto.
cmd = [
"gdb",
"--pid",
str(p.pid),
"--batch",
]
arch = "i386:x86-64"
if arch:
cmd.extend(["--eval-command='set architecture %s'" % arch])
cmd.extend(
[
"--eval-command='call dlopen(\"/home/fabioz/Desktop/dev/PyDev.Debugger/pydevd_attach_to_process/linux/attach_linux.so\", 2)'",
'--eval-command=\'call (int)DoAttach(1, "print(\\"check11111check\\")", 0)\'',
# "--eval-command='call (int)SetSysTraceFunc(1, 0)'", -- never call this way, always use "--command='...gdb_threads_settrace.py'",
# So that threads are all stopped!
]
)
print(" ".join(cmd))
time.sleep(0.5)
env = os.environ.copy()
env.pop("PYTHONIOENCODING", None)
env.pop("PYTHONPATH", None)
p2 = subprocess.call(" ".join(cmd), env=env, shell=True)
time.sleep(1)
p.kill()
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