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Allow debug to be ran without connecting gdb to allow other external … #2601

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10 changes: 9 additions & 1 deletion pwnlib/gdb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -421,7 +421,7 @@ def _get_runner(ssh=None):
else: return tubes.process.process

@LocalContext
def debug(args, gdbscript=None, gdb_args=None, exe=None, ssh=None, env=None, port=0, gdbserver_args=None, sysroot=None, api=False, **kwargs):
def debug(args, gdbscript=None, gdb_args=None, exe=None, ssh=None, env=None, port=0, gdbserver_args=None, sysroot=None, api=False, gdbserver_only=False, **kwargs):
r"""
Launch a GDB server with the specified command line,
and launches GDB to attach to it.
Expand All @@ -440,6 +440,8 @@ def debug(args, gdbscript=None, gdb_args=None, exe=None, ssh=None, env=None, por
gdb to load a local version of binaries/libraries instead of downloading
them from the gdbserver, which is faster
api(bool): Enable access to GDB Python API.
gdbserver_only(bool): Only start gdbserver without attaching GDB client.
Useful for external debugger integration.

Returns:
:class:`.process` or :class:`.ssh_channel`: A tube connected to the target process.
Expand Down Expand Up @@ -705,6 +707,12 @@ def debug(args, gdbscript=None, gdb_args=None, exe=None, ssh=None, env=None, por
if not ssh and context.os == 'android':
host = context.adb_host

# GDB Server Only Mode: Return without starting GDB client
if gdbserver_only:
log.info("GDB server started on %s:%d (pid=%d)", host, port, gdbserver.pid)
log.info("You can now attach with: gdb %s -ex 'target remote %s:%d'", exe, host, port)
return gdbserver

tmp = attach((host, port), exe=exe, gdbscript=gdbscript, gdb_args=gdb_args, ssh=ssh, sysroot=sysroot, api=api)
if api:
_, gdb = tmp
Expand Down
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