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Add support for auto-loading scripts from .debug_gdb_scripts section.

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* NEWS: Add entry for .debug_gdb_scripts.
	* Makefile.in SUBDIR_PYTHON_OBS): Add py-auto-load.o.
	(SUBDIR_PYTHON_SRCS): Add py-auto-load.c.
	(py-auto-load.o): New rule.
	* cli/cli-cmds.c (find_and_open_script): Make externally visible.
	* cli/cli-cmds.h (find_and_open_script): Update prototype.
	* python/py-auto-load.c: New file.
	* python/python-internal.h: #include <stdio.h>.
	(set_python_list, show_python_list): Declare.
	(gdbpy_initialize_auto_load): Declare.
	(source_python_script_for_objfile): Declare.
	* python/python.c: Remove #include of observer.h.
	(gdbpy_auto_load): Moved to py-auto-load.c.
	(GDBPY_AUTO_FILENAME): Ditto.
	(gdbpy_new_objfile): Delete.
	(source_python_script_for_objfile): New function.
	(set_python_list, show_python_list): Make externally visible.
	(_initialize_python): Move "auto-load" command to py-auto-load.c
	and observer_attach_new_objfile to py-auto-load.c.

	doc/
	* gdb.texinfo (Python): Move Auto-loading section here ...
	(Python API): from here.
	(Auto-loading): Add docs for .debug_gdb_scripts auto-loaded scripts.
	(Maintenance Commands): Add docs for "maint print section-scripts".

	testsuite/
	* gdb.python/py-section-script.c: New file.
	* gdb.python/py-section-script.exp: New file.
	* gdb.python/py-section-script.py: New file.
This commit is contained in:
Doug Evans
2010-04-23 16:20:13 +00:00
parent c8551de35c
commit 8a1ea21f7e
11 changed files with 846 additions and 131 deletions
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52
gdb/testsuite/gdb.python/py-section-script.c Normal file
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/* This testcase is part of GDB, the GNU debugger.
Copyright 2010 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Put the path to the pretty-printer script in .debug_gdb_scripts so
gdb will automagically loaded it. */
#define DEFINE_GDB_SCRIPT(script_name) \
asm("\
.pushsection \".debug_gdb_scripts\", \"MS\",@progbits,1\n\
.byte 1\n\
.asciz \"" script_name "\"\n\
.popsection \n\
");
DEFINE_GDB_SCRIPT ("py-section-script.py")
struct ss
{
int a;
int b;
};
void
init_ss (struct ss *s, int a, int b)
{
s->a = a;
s->b = b;
}
int
main ()
{
struct ss ss;
init_ss (&ss, 1, 2);
return 0; /* break to inspect struct and union */
}