Fix GDB PR cli/926.
* cli/cli-decode.c (add_setshow_uinteger_cmd): New function.
* command.h (add_setshow_uinteger_cmd): Declare.
* frame.c (set_backtrace_cmd): New function.
(show_backtrace_cmd): New function.
* frame.c (_initialize_frame): Replace "set/show
backtrace-below-main" with "set/show backtrace past-main". Add
command "set/show backtrace limit".
(backtrace_past_main): Rename "backtrace_below_main".
(backtrace_limit): New variable.
(get_prev_frame): Update. Check the backtrace_limit.
2003-08-09 Andrew Cagney <cagney@redhat.com>
* gdb.texinfo (Backtrace): Replace "set/show backtrace-below-main"
with "set/show backtrace past-main" and "set/show backtrace
limit".
Index: doc/gdb.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/doc/gdb.texinfo,v
retrieving revision 1.174
diff -u -r1.174 gdb.texinfo
--- doc/gdb.texinfo 8 Aug 2003 01:58:00 -0000 1.174
+++ doc/gdb.texinfo 9 Aug 2003 14:57:10 -0000
@@ -3922,27 +3922,40 @@
value, indicating that your program has stopped at the beginning of the
code for line @code{993} of @code{builtin.c}.
-@kindex set backtrace-below-main
-@kindex show backtrace-below-main
+@kindex set backtrace past-main
+@kindex show backtrace past-main
+@kindex set backtrace limit
+@kindex show backtrace limit
-Most programs have a standard entry point---a place where system libraries
-and startup code transition into user code. For C this is @code{main}.
-When @value{GDBN} finds the entry function in a backtrace it will terminate
-the backtrace, to avoid tracing into highly system-specific (and generally
-uninteresting) code. If you need to examine the startup code, then you can
-change this behavior.
+Most programs have a standard user entry point---a place where system
+libraries and startup code transition into user code. For C this is
+@code{main}. When @value{GDBN} finds the entry function in a backtrace
+it will terminate the backtrace, to avoid tracing into highly
+system-specific (and generally uninteresting) code.
+
+If you need to examine the startup code, or limit the number of levels
+in a backtrace, you can change this behavior:
@table @code
-@item set backtrace-below-main off
+@item set backtrace past-main
+@itemx set backtrace past-main on
+Backtraces will continue past the user entry point.
+
+@item set backtrace past-main off
Backtraces will stop when they encounter the user entry point. This is the
default.
-@item set backtrace-below-main
-@itemx set backtrace-below-main on
-Backtraces will continue past the user entry point to the top of the stack.
+@item show backtrace past-main
+Display the current user entry point backtrace policy.
+
+@item set backtrace limit @var{n}
+@itemx set backtrace limit 0
+@cindex backtrace limit
+Limit the backtrace to @var{n} levels. A value of zero means
+unlimited.
-@item show backtrace-below-main
-Display the current backtrace policy.
+@item show backtrace limit
+Display the current limit on backtrace levels.
@end table
@node Selection
* top.c (execute_command): Use cmd_func() and cmd_func_p().
* cli/cli-decode.c (cmd_func_p): New function.
(cmd_func): New function.
* command.h: Add cmd_func() and cmd_func_p().
(add_setshow_cmd_full): Declare.
* cli/cli-decode.c (add_setshow_cmd): No longer static. Now
returns void. Use add_setshow_cmd_full.
(add_setshow_cmd_full): New function.
(add_setshow_auto_boolean_cmd): Use add_setshow_cmd_full.
(add_setshow_boolean_cmd): Likewise.
(add_set_or_show_cmd): New static function.
(add_set_cmd): Rewrite. Use add_set_or_show_cmd.
(add_show_from_set): Rewrite. Use add_set_or_show_cmd. Don't copy
all fields, such as func, from the set command.
(set_cmd_context, get_cmd_context): Declare.
* cli/cli-decode.h: Ditto.
* cli/cli-decode.c (get_cmd_context): New function.
(set_cmd_context): New function.
(add_cmd): Initialize context.
Part of fixing PR gdb/145 and PR gdb/146.
* cli/cli-decode.c: New file. Handle lists of commands, their decoding
and documentation.
(add_cmd, deprecate_cmd, add_abbrev_cmd, add_alias_cmd, add_prefix_cmd,
add_abbrev_prefix_cmd, not_just_help_class_command, empty_sfunc,
add_set_cmd, add_set_enum_cmd, add_set_auto_boolean_cmd,
add_show_from_set, delete_cmd, apropos_cmd, help_cmd, help_list,
help_all, print_doc_line, help_cmd_list, find_cmd, lookup_cmd_1,
undef_cmd_error, lookup_cmd, deprecated_cmd_warning,
lookup_cmd_composition, complete_on_cmdlist, complete_on_enum):
Moved here from command.c.
(add_info, add_info_alias, add_com, add_com_alias): Moved here from
top.c.
* cli/cli-decode.h: Definitions/declarations for the above.
* cli/cli-cmds.c: New file. GDB CLI commands.
(error_no_arg, info_command, show_command, help_command, show_version,
quit_command, pwd_command, cd_command, echo_command, shell_escape,
make_command, show_user, set_debug, show_debug, init_cmd_lists):
Moved here from top.c.
(apropos_command): Moved here from command.c.
(complete_command, source_command): Moved here (part) from top.c.
(is_complete_command): New function. Checks if a command is the
"complete" command.
(init_cli_cmds): New function. Add commands to the CLI (from code
previously in top.c.
* cli/cli-cmds.h: Definitions/declarations for the above.
* cli/cli-script.c: New file. GDB CLI command scripting.
(build_command_line, get_command_line, print_command_lines,
print_command_line, execute_user_command, execute_control_command,
while_command, if_command, arg_cleanup, setup_user_args, locate_arg,
insert_args, realloc_body_list, read_next_line,
recurse_read_control_structure, read_command_lines, free_command_lines,
do_free_command_lines_cleanup, make_cleanup_free_command_lines,
validate_comname, user_defined_command, define_command,
document_command, source_cleanup_lines, do_fclose_cleanup,
show_user_1): Moved here from top.c.
(script_from_file): New function. Implements execution of a script
contained in a file (part of code for the source_command() that used
to exist in top.c).
* cli/cli-script.h: Definitions/declarations for the above.
* cli/cli-setshow.c: New file. Handle set and show GDB CLI commands.
(parse_auto_binary_operation, parse_binary_operation,
do_setshow_command, cmd_show_list): Moved here from command.c.
* cli/cli-setshow.h: Definitions/declarations for the above.
* top.c: Remove all CLI code, except the command loop.
(gdb_init): Call init_cli_cmds().
* command.c: Remove obsolete file.
* command.h: Mark as DEPRECATED.
* gdbcmd.h: Ditto.
* call-cmds.h: Ditto.
* Makefile.in (SFILES): Remove command.c.
(COMMON_OBS): Remove command.o.
(command.o): Remove obsolete target.
(cli_decode_h, cli_cmds_h, cli_script_h, cli_setshow_h): New macros.
Refer to CLI header files.
(cli-decode.o, cli-cmds.o, cli-setshow.o, cli-script.o): New targets.
(SUBDIR_CLI_OBS, SUBDIR_CLI_SRCS, SUBDIR_CLI_DEPS, SUBDIR_CLI_INITS,
SUBDIR_CLI_LDFLAGS, SUBDIR_CLI_CFLAGS, SUBDIR_CLI_ALL, SUBDIR_CLI_CLEAN,
SUBDIR_CLI_INSTALL, SUBDIR_CLI_UNINSTALL): New macros for new cli
subdirectory.
* configure.in (enable_gdbcli): New option. Include the CLI in the
executable (cannot be disabled yet).
(CONFIG_OBS, CONFIG_DEPS, CONFIG_SRCS, CONFIG_INITS, ENABLE_CFLAGS,
CONFIG_ALL, CONFIG_CLEAN, CONFIG_INSTALL, CONFIG_UNINSTALL): Add
the corresponding SUBDIR_CLI_* macros if CLI requested.
* configure: Regenerate.
