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Add support for gdb.PYTHONDIR as $gdb_datadir/python.

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Python scripts to be used by GDB can be stored in that directory,
and will be automatically found by the interpreter when importing them.
This patch also sets up <gdb_pythondir>/gdb as the directory where gdb
submodules can be stored.  For now, there is nothing there, but it can
now be added easily without further code changes.

gdb/ChangeLog:
2010-06-24  Joel Brobecker  <brobecker@adacore.com>

        * python/python.c (_initialize_python): Add new "constant"
        PYTHONDIR in gdb module.  Insert this path at the head of
        sys.path. Set gdb.__path__ to gdb.PYTHONDIR + '/gdb' and
        exec its __init__.py script if it exists in that directory.
This commit is contained in:
Joel Brobecker 2010-06-24 22:52:04 +00:00
parent fd60dc691f
commit b14285f60e
2 changed files with 28 additions and 0 deletions
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7
gdb/ChangeLog
View file

@ -1,3 +1,10 @@
2010-06-24 Joel Brobecker <brobecker@adacore.com>
* python/python.c (_initialize_python): Add new "constant"
PYTHONDIR in gdb module. Insert this path at the head of
sys.path. Set gdb.__path__ to gdb.PYTHONDIR + '/gdb' and
exec its __init__.py script if it exists in that directory.
2010-06-24 Kevin Buettner <kevinb@redhat.com>
* rx-tdep.c (RX_ACC_REGNUM): Define.

21
gdb/python/python.c
View file

@ -668,6 +668,13 @@ Enables or disables printing of Python stack traces."),
PyModule_AddStringConstant (gdb_module, "VERSION", (char*) version);
PyModule_AddStringConstant (gdb_module, "HOST_CONFIG", (char*) host_name);
PyModule_AddStringConstant (gdb_module, "TARGET_CONFIG", (char*) target_name);
{
char *gdb_pythondir;
gdb_pythondir = concat (gdb_datadir, SLASH_STRING, "python", NULL);
PyModule_AddStringConstant (gdb_module, "PYTHONDIR", gdb_pythondir);
xfree (gdb_pythondir);
}
gdbpy_gdberror_exc = PyErr_NewException ("gdb.GdbError", NULL, NULL);
PyModule_AddObject (gdb_module, "GdbError", gdbpy_gdberror_exc);
@ -720,6 +727,20 @@ class GdbOutputFile:\n\
\n\
sys.stderr = GdbOutputFile()\n\
sys.stdout = GdbOutputFile()\n\
\n\
# GDB's python scripts are stored inside gdb.PYTHONDIR. So insert\n\
# that directory name at the start of sys.path to allow the Python\n\
# interpreter to find them.\n\
sys.path.insert(0, gdb.PYTHONDIR)\n\
\n\
# The gdb module is implemented in C rather than in Python. As a result,\n\
# the associated __init.py__ script is not not executed by default when\n\
# the gdb module gets imported. Execute that script manually if it exists.\n\
gdb.__path__ = [gdb.PYTHONDIR + '/gdb']\n\
from os.path import exists\n\
ipy = gdb.PYTHONDIR + '/gdb/__init__.py'\n\
if exists (ipy):\n\
execfile (ipy)\n\
");
/* Release the GIL while gdb runs. */