gdb/
auto-load: Implementation. * NEWS: New descriptions for "info auto-load", "info auto-load gdb-scripts", "info auto-load python-scripts", "info auto-load local-gdbinit" and "info auto-load libthread-db". Deprecate "info auto-load-scripts", "set auto-load-scripts on|off" and "show auto-load-scripts". New description for "set auto-load", "show auto-load", "set auto-load gdb-scripts", "show auto-load gdb-scripts", "set auto-load python-scripts", "show auto-load python-scripts", "set auto-load local-gdbinit", "show auto-load local-gdbinit", "set auto-load libthread-db" and "show auto-load libthread-db". * auto-load.c: Remove include python/python-internal.h. Add includes exceptions.h, cli/cli-script.h, gdbcmd.h, cli/cli-decode.h and cli/cli-setshow.h. (GDB_AUTO_FILE_NAME, source_gdb_script_for_objfile) (auto_load_gdb_scripts, show_auto_load_gdb_scripts): New. (gdbpy_global_auto_load): Rename to ... (global_auto_load): ... here. (auto_load_local_gdbinit, auto_load_local_gdbinit_pathname) (auto_load_local_gdbinit_loaded, show_auto_load_local_gdbinit) (script_language_gdb, source_gdb_script_for_objfile): New. (struct loaded_script): New field language. (hash_loaded_script_entry, eq_loaded_script_entry): Calculate also LANGUAGE. (maybe_add_script): Add parameter language. Drop redundant entry.full_path initialization. Initialize entry.language and (*slot)->language. (auto_load_objfile_script): Change parameter suffix to language. Remove the call of maybe_add_script. Call language->source_script_for_objfile. (load_auto_scripts_for_objfile, struct collect_matching_scripts_data): New. (collect_matching_scripts): Adjust it for struct collect_matching_scripts_data. (auto_load_info_scripts_pattern_nl): New variable. (info_auto_load_scripts): Rename to ... (auto_load_info_scripts): ... here, add parameter language. Adjust it for struct collect_matching_scripts_data. (info_auto_load_gdb_scripts, info_auto_load_local_gdbinit) (set_auto_load_cmd, auto_load_set_cmdlist_get, show_auto_load_cmd) (auto_load_show_cmdlist_get, info_auto_load_cmd) (auto_load_info_cmdlist_get): New. (_initialize_auto_load): Move add_info of "auto-load-scripts" to python/py-auto-load.c. New installment for "set auto-load gdb-scripts", "info auto-load gdb-scripts", "set auto-load local-gdbinit" and "info auto-load local-gdbinit". * auto-load.h (struct script_language): New. (gdbpy_global_auto_load): Rename to ... (global_auto_load): ... here. (auto_load_local_gdbinit, auto_load_local_gdbinit_pathname) (auto_load_local_gdbinit_loaded): New declarations. (maybe_add_script): New parameter language. (auto_load_objfile_script): Change parameter suffix to language. (load_auto_scripts_for_objfile, auto_load_info_scripts_pattern_nl) (auto_load_info_scripts, auto_load_set_cmdlist_get) (auto_load_show_cmdlist_get, auto_load_info_cmdlist_get): New declarations. * linux-thread-db.c: Include auto-load.h and ctype.h. (auto_load_thread_db, show_auto_load_thread_db): New. (struct thread_db_info): New field filename. (delete_thread_db_info): Call xfree for FILENAME. (try_thread_db_load): Initialize FILENAME. (try_thread_db_load_from_pdir, try_thread_db_load_from_dir): Return if !AUTO_LOAD_THREAD_DB. (info_auto_load_libthread_db_compare, info_auto_load_libthread_db): New. (_initialize_thread_db): Install auto_load_thread_db as "set auto-load libthread-db" and install info_auto_load_libthread_db as "info auto-load libthread-db". * main.c (captured_main): Rename gdbpy_global_auto_load to global_auto_load. Initialize AUTO_LOAD_LOCAL_GDBINIT_PATHNAME and AUTO_LOAD_LOCAL_GDBINIT_LOADED. (print_gdb_help): Extend the help for 'local init file'. * python/py-auto-load.c: Remove a comment about gdb scripts extension. (GDBPY_AUTO_SECTION_NAME): Extend the comment it is Python specific. (auto_load_scripts): Rename to ... (auto_load_python_scripts): ... here, update the comment. (gdbpy_load_auto_script_for_objfile): New declaration. (show_auto_load_python_scripts, script_language_python) (gdbpy_load_auto_script_for_objfile): New. (source_section_scripts): Refactor the code. (load_auto_scripts_for_objfile): Rename to ... (gdbpy_load_auto_scripts_for_objfile): ... here, update the auto_load_objfile_script caller, drop GDBPY_GLOBAL_AUTO_LOAD checking. (info_auto_load_python_scripts): New. (gdbpy_initialize_auto_load): New variables cmd and cmd_name. Rename "set auto-load-scripts" to "set auto-load python-scripts". Register "set auto-load-scripts" as its deprecated alias. Register "info auto-load python-scripts". Register "info auto-load-scripts" as its deprecated alias. (load_auto_scripts_for_objfile): Rename to ... (gdbpy_load_auto_scripts_for_objfile): ... here. * python/python.h (load_auto_scripts_for_objfile): Rename to ... (gdbpy_load_auto_scripts_for_objfile): ... here. gdb/doc/ auto-load: Implementation. * gdb.texinfo (Mode Options): New anchor for -nx. (Startup): New anchors for Option -init-eval-command, Home Directory Init File and Init File in the Current Directory during Startup. Mention set auto-load local-gdbinit with a reference. Change the sample code to "set auto-load python-scripts". (Threads): New anchor set libthread-db-search-path. Provide references to libthread_db.so.1 file. (Controlling GDB): New menu item for Auto-loading. (Auto-loading, Init File in the Current Directory) (libthread_db.so.1 file, objfile-gdb.gdb file): New nodes. (Python): Rename the menu item Auto-loading to Python Auto-loading. (Writing a Pretty-Printer, Objfiles In Python): Update the renamed reference. (Auto-loading): Rename to ... (Python Auto-loading): ... here. Change "set auto-load-scripts" to "set auto-load python-scripts", new anchor for it. Change "show auto-load-scripts" to "show auto-load python-scripts", new anchor for it. Change "info auto-load-scripts" to "info auto-load python-scripts", new anchor for it. Change "scripts" to "Python scripts". gdb/testsuite/ auto-load: Implementation. * gdb.base/help.exp (test set height): Increase the height. * gdb.python/py-objfile-script.exp (info auto-load-scripts): Change to ... (info auto-load python-scripts): ... here. * gdb.python/py-section-script.exp (info auto-load-scripts *): Change to ... (info auto-load python-scripts *): ... here.
This commit is contained in:
Jan Kratochvil
parent
e2207b9a28
commit
bf88dd6849
14 changed files with 1096 additions and 115 deletions
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@ -31,29 +31,56 @@
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#include "python-internal.h"
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/* NOTE: It's trivial to also support auto-loading normal gdb scripts.
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There has yet to be a need so it's not implemented. */
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/* The suffix of per-objfile scripts to auto-load.
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E.g. When the program loads libfoo.so, look for libfoo-gdb.py. */
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#define GDBPY_AUTO_FILE_NAME "-gdb.py"
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/* The section to look for scripts (in file formats that support sections).
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/* The section to look for Python auto-loaded scripts (in file formats that
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support sections).
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Each entry in this section is a byte of value 1, and then the nul-terminated
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name of the script. The script name may include a directory.
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The leading byte is to allow upward compatible extensions. */
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#define GDBPY_AUTO_SECTION_NAME ".debug_gdb_scripts"
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/* User-settable option to enable/disable auto-loading:
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set auto-load-scripts on|off
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This is true if we should auto-load associated scripts when an objfile
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is opened, false otherwise.
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At the moment, this only affects python scripts, but there's no reason
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one couldn't also have other kinds of auto-loaded scripts, and there's
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no reason to have them each controlled by a separate flag.
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So we elide "python" from the name here and in the option.
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The fact that it lives here is just an implementation detail. */
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static int auto_load_scripts = 1;
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/* User-settable option to enable/disable auto-loading of Python scripts:
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set auto-load python-scripts on|off
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This is true if we should auto-load associated Python scripts when an
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objfile is opened, false otherwise. */
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static int auto_load_python_scripts = 1;
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static void gdbpy_load_auto_script_for_objfile (struct objfile *objfile,
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FILE *file,
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const char *filename);
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/* "show" command for the auto_load_python_scripts configuration variable. */
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static void
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show_auto_load_python_scripts (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file, _("Auto-loading of Python scripts is %s.\n"), value);
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}
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/* Definition of script language for Python scripts. */
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static const struct script_language script_language_python
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= { GDBPY_AUTO_FILE_NAME, gdbpy_load_auto_script_for_objfile };
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/* Wrapper of source_python_script_for_objfile for script_language_python. */
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static void
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gdbpy_load_auto_script_for_objfile (struct objfile *objfile, FILE *file,
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const char *filename)
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{
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struct auto_load_pspace_info *pspace_info;
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/* Add this script to the hash table too so "info auto-load python-scripts"
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can print it. */
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pspace_info = get_auto_load_pspace_data_for_loading (current_program_space);
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maybe_add_script (pspace_info, filename, filename, &script_language_python);
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source_python_script_for_objfile (objfile, file, filename);
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}
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/* Load scripts specified in OBJFILE.
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START,END delimit a buffer containing a list of nul-terminated
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@ -121,6 +148,17 @@ source_section_scripts (struct objfile *objfile, const char *source_name,
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make_cleanup_fclose (stream);
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make_cleanup (xfree, full_path);
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}
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else
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{
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full_path = NULL;
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/* We don't throw an error, the program is still debuggable. */
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if (script_not_found_warning_print (pspace_info))
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warning (_("Missing auto-load scripts referenced in section %s\n\
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of file %s\n\
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Use `info auto-load python [REGEXP]' to list them."),
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GDBPY_AUTO_SECTION_NAME, objfile->name);
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}
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/* If one script isn't found it's not uncommon for more to not be
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found either. We don't want to print an error message for each
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@ -129,24 +167,12 @@ source_section_scripts (struct objfile *objfile, const char *source_name,
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IWBN if complaints.c were more general-purpose. */
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in_hash_table = maybe_add_script (pspace_info, file,
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opened ? full_path : NULL);
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in_hash_table = maybe_add_script (pspace_info, file, full_path,
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&script_language_python);
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if (! opened)
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{
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/* We don't throw an error, the program is still debuggable. */
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if (script_not_found_warning_print (pspace_info))
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warning (_("Missing auto-load scripts referenced in section %s\n\
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of file %s\n\
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Use `info auto-load-scripts [REGEXP]' to list them."),
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GDBPY_AUTO_SECTION_NAME, objfile->name);
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}
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else
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{
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/* If this file is not currently loaded, load it. */
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if (! in_hash_table)
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source_python_script_for_objfile (objfile, stream, full_path);
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}
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/* If this file is not currently loaded, load it. */
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if (opened && !in_hash_table)
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source_python_script_for_objfile (objfile, stream, full_path);
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do_cleanups (back_to);
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}
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@ -181,36 +207,75 @@ auto_load_section_scripts (struct objfile *objfile, const char *section_name)
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do_cleanups (cleanups);
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}
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/* Load any auto-loaded scripts for OBJFILE. */
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/* Load any Python auto-loaded scripts for OBJFILE. */
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void
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load_auto_scripts_for_objfile (struct objfile *objfile)
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gdbpy_load_auto_scripts_for_objfile (struct objfile *objfile)
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{
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if (auto_load_scripts && gdbpy_global_auto_load)
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if (auto_load_python_scripts)
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{
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auto_load_objfile_script (objfile, GDBPY_AUTO_FILE_NAME);
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auto_load_objfile_script (objfile, &script_language_python);
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auto_load_section_scripts (objfile, GDBPY_AUTO_SECTION_NAME);
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}
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}
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/* Wrapper for "info auto-load python-scripts". */
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static void
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info_auto_load_python_scripts (char *pattern, int from_tty)
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{
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auto_load_info_scripts (pattern, from_tty, &script_language_python);
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}
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void
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gdbpy_initialize_auto_load (void)
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{
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struct cmd_list_element *cmd;
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char *cmd_name;
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add_setshow_boolean_cmd ("python-scripts", class_support,
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&auto_load_python_scripts, _("\
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Set the debugger's behaviour regarding auto-loaded Python scripts."), _("\
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Show the debugger's behaviour regarding auto-loaded Python scripts."), _("\
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If enabled, auto-loaded Python scripts are loaded when the debugger reads\n\
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an executable or shared library.\n\
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This options has security implications for untrusted inferiors."),
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NULL, show_auto_load_python_scripts,
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auto_load_set_cmdlist_get (),
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auto_load_show_cmdlist_get ());
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add_setshow_boolean_cmd ("auto-load-scripts", class_support,
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&auto_load_scripts, _("\
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Set the debugger's behaviour regarding auto-loaded scripts."), _("\
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Show the debugger's behaviour regarding auto-loaded scripts."), _("\
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If enabled, auto-loaded scripts are loaded when the debugger reads\n\
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an executable or shared library."),
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NULL, NULL,
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&setlist,
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&showlist);
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&auto_load_python_scripts, _("\
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Set the debugger's behaviour regarding auto-loaded Python scripts, "
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"deprecated."),
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_("\
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Show the debugger's behaviour regarding auto-loaded Python scripts, "
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"deprecated."),
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NULL, NULL, show_auto_load_python_scripts,
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&setlist, &showlist);
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cmd_name = "auto-load-scripts";
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cmd = lookup_cmd (&cmd_name, setlist, "", -1, 1);
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deprecate_cmd (cmd, "set auto-load python-scripts");
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/* It is needed because lookup_cmd updates the CMD_NAME pointer. */
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cmd_name = "auto-load-scripts";
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cmd = lookup_cmd (&cmd_name, showlist, "", -1, 1);
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deprecate_cmd (cmd, "show auto-load python-scripts");
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add_cmd ("python-scripts", class_info, info_auto_load_python_scripts,
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_("Print the list of automatically loaded Python scripts.\n\
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Usage: info auto-load python-scripts [REGEXP]"),
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auto_load_info_cmdlist_get ());
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cmd = add_info ("auto-load-scripts", info_auto_load_python_scripts, _("\
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Print the list of automatically loaded Python scripts, deprecated."));
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deprecate_cmd (cmd, "info auto-load python-scripts");
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}
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#else /* ! HAVE_PYTHON */
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void
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load_auto_scripts_for_objfile (struct objfile *objfile)
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gdbpy_load_auto_scripts_for_objfile (struct objfile *objfile)
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{
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}
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