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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
""" GDB Python customization auto-loader for libxul """
import re
from os.path import abspath, dirname, exists
# Add the toplevel objdir to the gdb source search path.
# In development builds, $objdir/dist/bin/libxul.so is a symlink to
# $objdir/toolkit/library/build/libxul.so, and the latter path is what gdb uses
# to search for gdb scripts.
#
# For artifact builds, libxul.so will be a regular file in $objdir/dist/bin.
# Look both places.
libxul_dir = dirname(__file__)
objdir = None
for relpath in ("../../..", "../.."):
objdir = abspath(libxul_dir + "/" + relpath)
if not exists(objdir + "/build/.gdbinit"):
continue
if objdir is not None:
m = re.search(r"[\w ]+: (.*)", gdb.execute("show directories", False, True))
if m and (objdir not in m.group(1).split(":")):
gdb.execute(f"set directories {objdir}:{m.group(1)}")
else:
gdb.write("Warning: Gecko objdir not found\n")
if objdir is not None:
# When running from a random directory, the toplevel Gecko .gdbinit may
# not have been loaded. Load it now.
gdb.execute("source -s build/.gdbinit.loader")
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