path: root/gdb/ChangeLog-gdbtk

Wed Dec 31 16:50:26 1998  Keith Seitz  (keiths@onions.cygnus.com)
 
        * gdbtk.c (gdb_actions_command): extract and save step count
        from "while-stepping" command

Tue Dec 16 21:16:42 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in (LIBGUI): New variable.
	(GUI_CFLAGS_X): New variable.
	(IDE_CFLAGS): Add $(GUI_CFLAGS_X).
	* configure.in: Add $(LIBGUI) to TCL_LIBS and CONFIG_DEPS.
	* configure: Rebuild.

Wed Dec  10 13:16:45 1997  Keith Seitz  <keiths@onions.cygnus.com>

	* gdbtk.c (gdb_get_tracepoint_info): Use info in struct 
	symtab_and_line (not struct tracepoint) so that we get the
	real line info for an address. Arrange data more like
	gdb_get_breakpoint_info.
	(tracepoint_notify): Use info in struct symtab_and_line again.
	(gdbtk_init): Add command "gdb_get_tracepoint_list" into
	interpreter.
	(gdb_get_tracepoint_list): New function that aids the source
	window in displaying tracepoints when the file changes.
	
Fri Dec  5 10:31:23 1997  Keith Seitz  <keiths@pizza.cygnus.com>

	* gdbtk.c (gdbtk_init): Add gdb_find_file into interpreter.
	(gdb_find_file_command): New function which searches source path
	to find the real full filename of a file.

Mon Dec  1 10:19:44 1997  Keith Seitz  <keiths@onions.cygnus.com>

	* gdbtk.c: Move include of "guitcl.h" back out of IDE ifdef.
	(gdbtk_init): Move ide_initialize_paths out of IDE ifdef.

	* configure.in (TCL_LIBS, CONFIG_DEPS): Add IDE libraries for all
	builds.
	(CONFIG_OBS): Remove tracepoint.o, which should always be included.

	* configure: regenerate

	* Makefile.in (install-only): ALWAYS install the new gdbtk
	(REMOTE_OBS): add tracepoint.o
	
Thu Nov 27 09:07:18 1997  Michael Meissner  <meissner@cygnus.com>

	* configure.in ({TCL_LIBS,CONFIG_DEPS}): Don't add IDE libraries
	if not --enable-ide.
	(CONFIG_OBS): Add tracepoint.o to list if --enable-gdbtk.
	* configure: Regenerate.

	* gdbtk.c (gdb_get_breakpoint_info): Add missing filename
	argument.
	(toplevel): Move include of guitcl.h into #ifdef IDE region.
	(gdbtk_init): Move ide_initialize_paths call into #ifdef IDE
	section.

	* Makefile.in (gdbtk.o): Update dependencies.

Wed Nov 26 15:02:43 1997  Keith Seitz  <keiths@onions.cygnus.com>

    	* gdbtk.c (gdb_loc): symtab_to_filename can return NULL.
	(breakpoint_notify): Ditto.
	(gdb_get_breakpoint_info): Ditto.

Wed Nov 26 11:33:09 1997  Keith Seitz  <keiths@onions.cygnus.com>

	Merge in code from Foundry branch:
	
	* Makefile.in (install-only): install the new gdbtk, not the old

	* gdbtk.c (gdbtk_call_command): also run idle hooks for class_trace
	commands
	(gdbtk_init): Add new commands "gdb_get_locals", "gdb_get_args",
	"gdb_get_function", "gdb_get_line", "gdb_get_file",
	"gdb_tracepoint_exists", "gdb_get_tracepoint_info", "gdb_actions",
	and "gdb_prompt".
	(gdb_get_vars_command): New function.
	(gdb_get_line_command): New.
	(gdb_get_file_command): New.
	(gdb_get_function_command): New.
	(gdb_get_tracepoint_info): New.
	(gdbtk_create_tracepoint): New.
	(gdbtk_delete_tracepoint): New.
	(tracepoint_notify): New.
	(tracepoint_exists): New.
	(gdb_actions_command): New.
	(gdb_tracepoint_exists_command): New.
	(gdb_prompt_command): New.

Thu Nov 13 18:15:54 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c: Move include of gdbcore.h to top of file.
	(close_bfds): New static function if _WIN32.
	(gdbtk_readline): Call close_bfds.
	(call_wrapper, tk_command_loop): Likewise.
	(gdb_clear_file): New static function.
	(gdbtk_init): Create gdb_clear_file Tcl command.

Wed Nov 12 14:58:39 1997  Jeff Holcomb  <jeffh@cygnus.com>

	* gdbtk.c: gdbtk_load_hash and ui_load_progress_hook return an
	int result.
	(gdbtk_load_hash): download hash routine returns an int result.

Mon Nov 10 15:11:51 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdbtk_init): Call ide_create_shell_execute_command if
	__CYGWIN32__.
	* configure.in: Add -lshell32 to WIN32LIBS on cygwin32.
	* configure: Rebuild.

Sun Nov  9 16:25:34 1997  Tom Tromey  <tromey@cygnus.com>

	* gdbtk.c (gdbtk_init): Run ide_create_help_command.

Tue Oct 28 17:31:47 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdbtk_init): Call ide_create_winprint_command.

Thu Oct 23 15:53:37 1997  Ian Lance Taylor  <ian@cygnus.com>

	* configure.in: Add -lgdi32 to WIN32LIBS when linking gdbtk on
	cygwin32.
	* configure: Rebuild.

Wed Oct 22 21:32:54 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdbtk_init): Create sizebox command on Windows.

Thu Oct  9 14:33:21 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdbtk_init): Remove assertion argument from call to
	ide_create_window_register_command.

Wed Oct  1 11:09:52 1997  Tom Tromey  <tromey@cygnus.com>

	* gdbtk.c (gdbtk_init): Pass name of restore interface to
	ide_create_window_register_command.

Fri Sep 26 21:08:22 1997  Keith Seitz  <keiths@pizza.cygnus.com>

	* gdbtk.c (gdbtk_init): Initialize ui_load_progress_hook.

Thu Sep 25 03:05:00 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdb_load_info): New function.  Returns a list
	of section names and sizes for an executable.
	(gdbtk_load_hash): Stub function to call tcl function
	download_hash.

Tue Sep 23 01:29:00 1997  Martin M. Hunt  <hunt@cygnus.com>	

	* gdbtk.c (gdb_get_mem): Fix compiler warning.

Sun Sep 21 00:15:00 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdb_get_mem): Fix problem with ASCII dump.

Tue Sep 16 18:07:17 1997  Martin M. Hunt  <hunt@cygnus.com>	

	* gdbtk.c (gdb_get_mem): New function.  Returns
	a formatted memory dump with optional ASCII dump.

Mon Sep  8 12:48:50 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c: Include ilutk.h if IDE.
	(gdb_confirm_quit, gdb_force_quit): New static functions.
	(gdbtk_init): Add Tcl commands gdb_confirm_quit and
	gdb_force_quit.

Mon Sep  8 03:05:33 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdb_get_breakpoint_info): Now returns the
	function a breakpoint is in.

Fri Sep  5 20:23:58 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdbtk_init): Call ide_create_exit_command.

Wed Sep  3 19:39:15 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c: Include guitcl.h.
	(gdbtk_init): Always call ide_initialize_paths.  Set the Tcl
	variable IDE to 1 when using the IDE.  Always try using auto path
	to find main.tcl.
	* Makefile.in (IDE_CFLAGS_X): Always include libide.
	(LIBIDE): New variable.
	(IDE_X): Omit -lide.
	(IDE_DEPS): Omit libide.
	* configure.in: Add LIBIDE to TCL_LIBS and CONFIG_DEPS.
	* configure: Rebuild.

Mon Aug 25 02:28:55 1997  Keith Seitz  <keiths@pizza.cygnus.com>

	* gdbtk.c: (gdb_target_has_inferior) check if inferior_pid is non-zero
	before assuming that the inferior is running.

Mon Aug 25 01:06:48 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdbtk_start_timer): Pass third argument to setitimer.
	(gdbtk_stop_timer): Likewise.

Mon Aug 25 00:23:08 1997  Keith Seitz  <keiths@pizza.cygnus.com>

	* gdbtk.c: (gdbtk_init) create new command "gdb_target_has_execution"
	(gdb_target_has_execution_command) new function

Sun Aug 24 20:27:22 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdb_loc): If there are no symbols, just bail
	immediately.
	(tk_command_loop): Print errors encountered while running
	gdbtk_tcl_preloop.

Sun Aug 24 13:44:03 1997  Tom Tromey  <tromey@cygnus.com>

	* gdbtk.c (gdbtk_init): Run ide_create_build_command.

Sat Aug 23 21:53:39 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c: If CYGWIN32, include <sys/time.h>.
	(x_fd): Don't define if WINNT.
	(gdbtk_start_timer, gdbtk_stop_timer): New static functions if
	CYGWIN32.
	(gdbtk_wait): Don't set up signal handling if WINNT.  If CYGWIN32,
	call gdbtk_start_timer and gdbtk_stop_timer.
	(gdbtk_init): Don't set up signal handling or make x_fd
	asynchronous if CYGWIN32.

Fri Aug 22 15:23:15 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (error_string_ptr): New static variable.
	(gdbtk_fputs): If result_ptr is NULL, and error_string_ptr is not
	NULL, and we're outputting to stderr, append string to
	error_string_ptr rather than calling gdbtk_tcl_fputs.
	(call_wrapper): Set up error_string_ptr.  Put both error string
	and normal string in Tcl result.

	* gdbtk.c (gdbtk_init): Don't call ide_run_server_init until after
	gdb has initialized.

Thu Aug 21 19:14:38 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c: If _WIN32, include winuser.h.
	(gdbtk_init): If _WIN32, use MessageBox to display an error
	evaluating main.tcl.

Thu Aug 21 00:48:00 1997  Martin M. Hunt  <hunt@pern.cygnus.com>

	* gdbtk.c (gdbtk_init): Add call to ide_run_server_init().
	(gdb_cmd): For the load command, don't buffer the I/O.

Wed Aug 20 11:41:22 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdbtk_query): Chaneg free() call to Tcl_Free().
 	
Tue Aug 19 17:09:19 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in (TCL_DEPS, TK_DEPS): New variables.
	(ITCL_DEPS, TIX_DEPS): New variables.
	(IDE_DEPS): New variable.
	(CDEPS): Include @CONFIG_DEPS@.
	* configure.in: Set and substitute CONFIG_DEPS and TIX_DEPS.
	* configure: Rebuild.

Sun Aug 17 00:42:11 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (gdb_listfuncs): New function that returns
	a list of all the functions in a source file.

Tue Aug 12 16:35:21 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in (install-only): Install tclIndex if ENABLE_IDE.

Mon Aug 11 10:43:04 1997  Tom Tromey  <tromey@cygnus.com>

	* gdbtk.c (gdbtk_init): Use ide_event_init_from_environment.

Fri Aug  8 15:59:24 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdbtk_init): Change gdbtk_lib_tmp and gdbtk_file to be
	dynamically allocated, rather than fixed size.  Pass "gdbtcl" to
	ide_initialize_paths to match installed directory name.  If IDE,
	use auto_path to search for main.tcl.
	* Makefile.in (install-only): If ENABLE_IDE, install from gdbtcl2
	rather than gdbtcl.

	* gdbtk.c (gdbtk_cleanup): New static function.
	(gdbtk_init): Add gdbtk_cleanup as a final cleanup.  Uncomment
	call to ide_initialize_paths.  If we can't initialize the event
	system, set GDBTK_IDE to 0 in the Tcl interpreter.  Create the
	ide_window_register and the ide_window commands.  Initialize tk,
	itcl, and tix after initializing the IDE.

	* configure.in (tixdir): Update for cygwin32 case for Tcl 8.0.
	* configure: Rebuild.

Fri Aug  8 00:13:32 1997  Martin M. Hunt  <hunt@cygnus.com>

	* gdbtk.c (breakpoint_notify): Change buffer size from 100
	to 256 to avoid memory corruption with very long pathnames.

Thu Aug  7 14:08:23 1997  Martin M. Hunt  <hunt@cygnus.com>

	* configure.in: Change required Tix version to 4.1.8.0 .
	* configure: Rebuilt.

Fri Aug  1 15:21:44 1997  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (Tcl_Alloc): Don't provide our own version of this if
	_WIN32.
	(Tcl_Realloc, Tcl_Free): Likewise.
	* configure.in: Check for cygwin32 environment.  Define and
	substitute WIN32LIBS and WIN32LDAPP.  Always set configdir to
	unix; setting it to win was for an old Tcl/Tk configuration
	scheme.
	* aclocal.m4 (CY_AC_LOAD_TKCONFIG): Substitute TK_BUILD_INCLUDES.
	* Makefile.in (TK_CFLAGS): Add @TK_BUILD_INCLUDES@.
	(WIN32LDAPP, WIN32LIBS): Define.
	(CLIBS): Add $(WIN32LIBS).
	(gdb): Use $(WIN32LDAPP).
	* configure: Rebuild.

Tue Jul 22 19:45:37 1997  Martin M. Hunt  <hunt@cygnus.com>

	* configure.in, aclocal.m4: Another fix to find the
	correct Tix library name.

	* configure: Rebuilt.
	
Mon Jul 21 22:24:07 1997  Martin M. Hunt  <hunt@cygnus.com>

	* aclocal.m4: Search for the correct tix library. 

Thu Jul 10 00:02:41 1997  Martin M. Hunt  <hunt@cygnus.com>

	* Makefile.in, configure.in, aclocal.m4: Add Itcl, Tix, and 
	IDE configuration information.

	* gdbtk.c (breakpoint_notify): Send address, linenumber and 
	filename when a breakpoint is set.  Avoids call to bp_info.
 	(gdbtk_init): Call Tcl_FindExecutable(). Add code to handle 
	Itcl, Tix and IDE initialization.

	* configure: Regenerated.

Fri Jun 13 10:28:09 1997  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c (gdbtk_init): Make truth value test explicit.
	Remove unused static variable "Gdbtk_Library".

Sat Jun  7 02:34:19 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)

	* gdbtk.c (gdb_get_breakpoint_info):  Add string for new
	enumeration del_at_next_stop to bpdisp array.

Tue Jun  3 15:46:51 1997  Tom Tromey  <tromey@cygnus.com>

	* Makefile.in (LIB_RUNTIME_DIR): New variable.

Wed May  7 19:10:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* gdbtk.c (wrapped_call): New function - make actual call to tk
 	worker function.
	(call_wrapper): Rewrite to use top.c:catch_errors.

	* gdbtk.c (gdb_stop): If No target_stop set quit flag and hope for
 	best.

Mon Apr 21 14:00:08 1997  Doug Evans  <dje@canuck.cygnus.com>

	* gdbtk.c (gdb_disassemble): Store endian-ness in `di'.

Wed Apr 16 12:33:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* Makefile.in (install-only): Make list of gdbtcl files to install
 	explicit - was picking up files such as ChangeLog etc.
	(install-only): Don't blindly create the directory.

Tue Apr  1 15:04:21 1997  Jason Molenda  (crash@godzilla.cygnus.co.jp)

	* configure.in (gdbtcl): Create soft-link for gdbtcl/ directory
 	instead of gdbtk.tcl.

Fri Mar 28 17:04:02 1997  Jason Molenda  (crash@godzilla.cygnus.co.jp)

	* Makefile.in (gdbtk.o): look for GDBTK_LIBRARY in $(datadir) by
	default, not $(srcdir).

Wed Mar 19 15:16:17 1997  Martin M. Hunt  <hunt@onions.cygnus.com>

	* Makefile.in:  Install gdbtcl dir instead of gdbtk.tcl.
	
	* gdbtk.c: Added some ifdefs for Windows.  Changed GDBTK_FILENAME
	to GDBTK_LIBRARY, which is now a path to search.
	(gdb_path_conv): New function.  Convert Cygwin32 pathname to
	DOS-style pathname.

	* {aclocal.m4,configure.in}: Changes for Windows builds.

	* configure: Rebuilt.

Fri Mar 14 10:01:29 1997  Tom Tromey  <tromey@cygnus.com>

	* configure: Regenerated.
	* configure.in (LIBS): Re-reverse order of TCL_LIBS and TK_LIBS.

Wed Mar 12 14:29:52 1997  Tom Tromey  <tromey@cygnus.com>

	* gdbtk.c (x_event): Use Tcl_DoOneEvent, TCL_DONT_WAIT,
	TCL_ALL_EVENTS.

	* configure: Regenerated.
	* configure.in (ENABLE_GDBTK): Put TCL_LIBS after TK_LIBS in
	LIBS.

Mon Feb 10 13:50:53 1997  Stu Grossman  (grossman@critters.cygnus.com)

	* gdbtk.c (call_wrapper):  Clear running_now if an error occurs.

Wed Dec 11 18:51:35 1996  Mark Alexander  <marka@cygnus.com>

	* gdbtk.c (gdb_loc): Correct truncation of PC on 64-bit MIPS.

Tue Nov 19 09:26:14 1996  Tom Tromey  <tromey@cygnus.com>

	* gdbtk.c (gdbtk_readline): Fix memory leak.

Mon Nov 18 23:43:05 1996  Tom Tromey  <tromey@cygnus.com>

	Fixes for Tcl 7.6 / Tk 4.2:
	* gdbtk.tcl (apply_filespec): Use tk_getOpenFile.
	Remove old fileselect code.
	* gdbtk.c (Tcl_Alloc): Rename from Tcl_Malloc.

Fri Sep 27 10:25:30 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (create_copyright_window): Increase timeout from
	15 seconds to 30 seconds.

Wed Sep  4 17:28:40 1996  Stu Grossman  (grossman@critters.cygnus.com)

	* configure configure.in:  Add host *windows* to list of hosts
	that don't support GDBtk.

Fri Aug 23 00:44:57 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c (gdbtk_init): Check for a DISPLAY env variable and
	gracefully degrade to using command line interface if none is
	found.

Fri Aug  9 12:32:53 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* Makefile.in (LIB_INSTALL_DIR): New macro.
	(TCL): Include @TCL_LD_SEARCH_FLAGS@.

Thu Aug  1 20:35:01 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.c (mainWindow): Deleted.
	(cleanup_init): Don't destroy main window.
	(gdbtk_init): Main window now created by Tk_Init.

	* configure.in: Most X checks now handled automatically by Tk.
	Use new macros to find Tcl/Tk.
	* aclocal.m4: New version for new Tcl/Tk; from Don Libes.
	* config.in, configure: Regenerated.

	* Makefile.in (TCL, TCL_CFLAGS, TK, TK_CFLAGS, X11_CFLAGS,
	X11_LDFLAGS, X11_LIBS): Changed for new Tcl and Tk.

Thu Aug  1 16:12:05 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)

	* Makefile.in (gdbtk.tcl): put in $(datadir), not $(libdir).

Fri Jul 26 14:07:37 1996  Ian Lance Taylor  <ian@cygnus.com>

	* gdbtk.c (gdb_disassemble): Initialize di.flavour.

Thu Jul 25 19:41:31 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c (null_routine): Ditto.
	(gdbtk_flush): Ditto.
 	(gdbtk_fputs): Ditto.
 	(gdbtk_query): Ditto.
	(gdbtk_readline): Ditto.
 	(gdbtk_readline_end): Ditto.
 	(gdb_get_breakpoint_list): Ditto.
	(gdb_get_breakpoint_info): Ditto.
 	(breakpoint_notify): Ditto.
 	(gdbtk_create_breakpoint): Ditto.
	(gdbtk_delete_breakpoint): Ditto.
 	(gdbtk_modify_breakpoint): Ditto.
 	(gdb_loc): Ditto.
 	(gdb_eval): Ditto.
	(gdb_sourcelines): Ditto.
 	(map_arg_registers): Ditto.
 	(get_register_name): Ditto.
 	(gdb_regnames): Ditto.
	(get_register): Ditto.
 	(gdb_fetch_registers): Ditto.
 	(register_changed_p): Ditto.
	(gdb_changed_register_list): Ditto.
 	(gdb_cmd): Ditto.
 	(call_wrapper): Ditto.
 	(gdb_listfiles): Ditto.
	(gdb_stop): Ditto.
 	(gdbtk_dis_asm_read_memory): Ditto.
 	(compare_lines): Ditto.
 	(gdb_disassemble): Ditto.
	(tk_command): Ditto.
 	(cleanup_init): Ditto.
 	(gdbtk_interactive): Ditto.
 	(x_event): Ditto.
 	(gdbtk_wait): Ditto.
	(gdbtk_call_command): Ditto.
 	(tk_command_loop): Ditto.
 	(gdbtk_init): Ditto.

	* gdbtk.c (register_changed_p): Remove unused local variable "buf".

Sat Jul 20 17:46:40 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (files_command): Reorder the binding tags for
	the listbox widget to avoid referencing the listbox after
	the containing widget has been destroyed by the action of
	a previous binding.

Sat Jul 20 10:09:28 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (delete_expr): Unset corresponding element of
	expr_update_list when destroying an expression.
	(create_expr_window): Initialize expr_num, delete_expr_num,
	and expr_update_list here when each new expression window
	is created, rather than once at startup.

Mon Jul 15 16:44:05 1996  Stu Grossman  (grossman@critters.cygnus.com)

	* gdbtk.c (gdb_disassemble):  Setup di.mach from
	tm_print_insn_info.mach, and set endian from TARGET_BYTE_ORDER.

Fri Jun 21 11:04:47 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (create_register_windows): Include missing '$'s.
	Add global declarations for various reg_format_* variables.
	* gdbtk.tcl (populate_register_window): Make initial window one
	line taller to account for new column header line.

Fri Jun 21 09:46:47 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c (get_register): Support for printing raw formats.
	* gdbtk.tcl: Add hint for using debug_interface.
	(center_window, add_breakpoint_frame, delete_breakpoint_frame):
	Enclose arg in braces for consistency.
	(create_registers_window, populate_reg_window, update_registers):
	Major rewrite to support displaying multiple formats in the register
 	window.
	(init_reg_info): New function.
	(recompute_reg_display_list):  Reset reg_display_list, start
	register display lines at line 2.

Thu Jun 20 08:18:59 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (gdbtk_tcl_readline_begin): Handle backspace to
	avoid backing up over prompt.  At every input, make sure insert
	point is at least after command start, handle control-u to delete
	current input line.
	(tclsh): Handle backspace to avoid backing up over prompt.  Handle
	control-u to delete current input line.

Wed Jun 19 17:23:38 1996  Geoffrey Noer  <noer@cygnus.com>

	* configure.in: disable gdbtk for *cygwin32* hosted compiles
	* configure: regenerated with autoconf 2.8

Sun May 19 16:49:37 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c (gdbtk_readline_begin, gdbtk_readline, gdbtk_readline_end):
	New functions.
	(tk_command_loop): Set instream to NULL to enable Tk user interaction.
	(gdbtk_init): Set readline_begin_hook, readline_hook,
	and readline_end_hook.
	* gdbtk.tcl (gdbtk_tcl_readline_begin, gdbtk_tcl_readline,
	gdbtk_tcl_readline_end): New functions.
	(tclsh): Pack scroll bar on right side of window, not left.

Fri May 17 13:54:34 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (create_command_window): Change a misspelled "get"
	to the intended "cget".
	(delete_line): Fix so it deletes the current line at the
	insertion cursor.

Thu May 16 19:20:29 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (gdb_prompt): Set this early on.
	(create_command_window): Use gdb_prompt rather than "(gdb) ".
	(gdbtk_tcl_preloop): Proc executed just prior to Tk main loop.
	(tclsh): If an evaluation window already exists, just bring it
	to the front instead of trying to create another.
	* gdbtk.c (tk_command_loop): New function.
	(gdbtk_init): Call tk_command_loop rather than Tk_MainLoop.

Thu May 16 16:16:35 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.tcl (evaluate_tcl_command, tclsh):  New functions that
	implement a tcl evaluation window for gdbtk maintainers to use.

Thu May 16 11:42:58 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl (files_command): Correctly insert list of files into
	listbox widget.

	* gdbtk.tcl (files_command): listbox command no longer accepts
	-geometry.

Wed May 15 16:04:09 1996  Stan Shebs  <shebs@andros.cygnus.com>

	* gdbtk.tcl (create_command_window): If command window's buffer
	is disabled, don't execute any of the key bindings.

Mon May 13 13:43:25 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c (tk_command): Catch case where no argument is given
	since this will cause the tcl interpreter to dump core.

Wed May  8 20:33:24 1996  Fred Fish  <fnf@cygnus.com>

	* gdbtk.c: Fix a couple of misspellings.

Thu May  2 19:17:49 1996  Stan Shebs  <shebs@andros.cygnus.com>

	* gdbtk.tcl (debug_interface): New global, use to aid debugging.
	(insert_breakpoint_tag, delete_breakpoint_tag): Fix range.
	(file_popup_menu): Delete, never used.
	(listing_window_popup): Rename from listing_window_button_1,
	remove breakpoint toggling code.
	(toggle_breakpoint): New procedure.
	(create_file_win): Bind popup menu to button 2, toggle breakpoints
 	with button 1 in breakpoint area, add display of tagged areas if
 	debugging on.

Fri Apr  5 13:44:40 1996  Stan Shebs  <shebs@andros.cygnus.com>

	* gdbtk.c (running_now): New global variable.
	(gdb_cmd): Test it before executing any command.
	(gdbtk_call_command): Set it when inferior is running.
	* gdbtk.tcl (gdbtk_tcl_busy, gdbtk_tcl_idle): Enable and
	disable interaction with command window's text appropriately.

Fri Apr  5 13:25:42 1996  Michael Meissner  <meissner@tiktok.cygnus.com>

	* gdbtk.c (SIOCSPGRP, linux): If on Linux, undef SIOCSPGRP, since
	some versions of the kernel don't support it.

Tue Feb  6 16:31:25 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl (create_file_win): Eliminate text widget B1 binding so
	double-clicking will work again.
	(create_asm_win): Put "break" at end of all B1 bindings.
	(create_file_win): Lower "sel" tag, don't raise it.
	(ensure_line_visible): New proc.
	(update_listing, update_assembly): Use it.
	(create_copyright_window): Destroy window on Leave event.
	(create_command_window): Put "break" at end of all B2 bindings.

Wed Jan 24 15:28:41 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl, gdbtk.c: Updated copyrights.

	* configure.in: Look for -ldl or -ldld when using Tcl 7.5 or
	greater.
	* configure: Rebuilt.

Tue Jan 23 09:00:48 1996  Doug Evans  <dje@charmed.cygnus.com>

	* gdbtk.c (gdb_disassemble): Pass fprintf_unfiltered to
 	INIT_DISASSEMBLE_INFO.

Mon Jan 15 09:58:41 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl (create_expr_window): Many changes to update GUI.
	(add_expr): Changes from create_expr_window.
	(create_command_window): Set focus.
	(delete_expr): Rewrote.
	(expr_update_button): New proc.
	(add_expr): Put bindings on FocusIn, FocusOut.
	Don't allow .file_popup to be torn off.

Fri Jan 12 09:36:17 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl (gdbtk_tcl_query): Swap Yes and No buttons.
	(update_listing): Use lassign.  Use "see" to scroll.  Don't need
	screen_top, screen_bot, screen_height.
	(update_assembly): Use "see" to scroll.
	(textscrollproc): Removed.
	(create_file_win): Don't use textscrollproc.
	(asmscrollproc): Removed.
	(create_asm_window): Don't use asmscrollproc.
	(create_asm_win): Ditto.
	(screen_height, screen_top, screen_bot): Removed.
	(run_editor): New proc.
	(build_framework): Use it.
	(create_file_win, create_source_window): Don't use textscrollproc.
	(create_breakpoints_window): Set -xscrollcommand on canvas.
	(not_implemented_yet): Default button is 0.
	(delete_char): Don't use tk_textBackspace.
	(create_command_window): Allow Tk bindings to fire after deleting
	character.
	(create_command_window): Make Delete delete left, not right.

Thu Jan 11 10:08:14 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl (FSBox): Don't use tk_listboxSingleSelect.

	Changes in sync with expect:
	* configure.in (ENABLE_GDBTK): Use CY_AC_PATH_TCL and
	CY_AC_PATH_TK.
	* aclocal.m4: Replaced with version from expect.
	* configure: Regenerated.

Wed Jan 10 09:07:22 1996  Tom Tromey  <tromey@creche.cygnus.com>

	* gdbtk.tcl (gdbtk_tcl_fputs, gdbtk_tcl_fputs_error,
	gdbtk_tcl_flush): Use "see", not "yview".
	(gdbtk_tcl_query): Use questhead bitmap.
	various: Always wrap condition of 'if' in {...}.
	(add_breakpoint_frame): Set -value on radiobuttons.
	(lassign): New proc.
	(add_breakpoint_frame): Use lassign, not series of assignments.
	(decr): Made faster.
	(interactive_cmd): Use "see", not "yview".
	(not_implemented_yet): Use warning bitmap.
	(update_expr): Don't allow $expr to be evalled by Tcl.
	(create_expr_window): Don't use "focus".
	(delete_char, delete_line): Define globally.
	(delete_line, delete_char, create_command_window, update_autocmd,
	build_framework, create_asm_win, create_file_win): Use "see", not
	"yview".
	(create_copyright_window, center_window, bind_widget_after_class):
	New procs.
	(FSBox,create_command_window, create_autocmd_window): Binding
	changes for Tk4.
	(textscrollproc): Define globally.
	(build_framework): tk_menuBar no longer needed.  Keys Prior, Next,
	Home, End, Up, and Down are all defined by Tk.
	(apply_filespec): Use error bitmap in dialog.
	(files_command): Don't use tk_listboxSingleSelect.
	(files_command): Don't use "uniq" to remove duplicates from a
	list.
	(update_assembly): Use lassign.
	(create_asm_win): Removed redundant bindings.
	(listing_window_button_1, file_popup_menu): Use tk_popup.
	(ButtonRelease-1 binding): Just remove tag from window; rest
	handled by Tk.

	* gdbtk.c (gdbtk_query): Use Tcl_Merge to provide quoting.
	(call_wrapper): Use Tcl_Eval, not Tcl_VarEval.
	(gdbtk_call_command): Ditto.

Thu Jan  4 16:04:54 1996  Stu Grossman  (grossman@cygnus.com)

	* configure configure.in:  Make --enable-gdbtk be the default.

Thu Dec 28 15:10:49 1995  Stan Shebs  <shebs@andros.cygnus.com>

	* README.GDBTK: Polish introductory paragraph.

Mon Oct 16 11:27:06 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdb_disassemble):  Use fprintf_unfiltered instead of
	fprintf_filtered.

Tue Oct 10 15:26:39 1995  Fred Fish  <fnf@cygnus.com>

	* README.GDBTK: Updated for version 4.15.
	
Sat Aug 19 17:20:22 1995  Michael Tiemann  <tiemann@axon.cygnus.com>

	* gdbtk.tcl: ENABLE comes back as "1" or "0", not "enable" or
	"disable".
	Also, wire up the breakpoint window so that it can be demo'd.

Tue Aug  1 11:44:53 1995  J.T. Conklin  <jtc@rtl.cygnus.com>

	* gdbtk.c: Include "gdb_string.h" instead of <string.h>.

Tue Jun 20 10:19:40 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c:  Add functions Tcl_Malloc, Tcl_Realloc, and Tcl_Free.

	* gdbtk.tcl (add_breakpoint_frame):  Add more fields.
	* (create_file_win create_asm_win build_framework):  Create null
	bindings for meta keys to keep window from dropping down to
	insertion point when meta is pressed by itself.  New bindings:
	   Up/Down - Scroll up/down one line at a time
	   Next/Prior - Scroll up/down one page at a time
	   Home/End - Warp to current pc/end of file
	* (build_framework):  Turn on breakpoint menu.
	* (create_command_window):  Implement tab completion.  Add binding
	for ^C to stop target.

Fri May 19 06:15:40 1995  Jim Kingdon  <kingdon@deneb.cygnus.com>

	* gdbtk.c: Conditionalize use of stdarg rather than varargs on
 	ANSI_PROTOTYPES not __STDC__; it must match the definition of
 	PARAMS.

Thu May 18 15:58:46 1995  J.T. Conklin  <jtc@rtl.cygnus.com>

	* gdbtk.c (gdbtk_query): Use stdarg.h macros when compiling with
 	an ANSI compiler.

Sat Apr 15 13:52:24 1995  Stan Shebs  <shebs@andros.cygnus.com>

	* gdbtk.c (gdb_disassemble): Read from inferior if connected
	to a VxWorks target.

Fri Apr 14 10:18:20 1995  Stu Grossman  (grossman@cygnus.com)

	* README.GDBTK:  New file.  Contains the obvious.

Tue Apr 11 11:07:12 1995  Michael Meissner  <meissner@tiktok.cygnus.com>

	* gdbtk.c (gdbtk_init): If SIOCSPGRP is not available, but
	F_SETOWN is, use that.

Thu Apr  6 17:00:46 1995  Michael Meissner  <meissner@tiktok.cygnus.com>

	* Makefile.in (X11_INCLUDES): Define as empty.
	(X11_CFLAGS): Define as including $(X11_INCLUDES).
	(X11_LIB_SWITCHES): Define as empty.
	(X11_LIBS): Define as -lX11.

	* configure.in (enable_gdbtk): If gdbtk, support the --x-includes
	and --x-libraries switches, setting the X11_INCLUDES and
	X11_LIB_SWITCHES respectively.  Instead of using a hardcoded -lX11
	in ENABLE_CLIBS, use the X11_LIB_SWITCHES and X11_LIBS variables.

	* gdbtk.c (gdbtk_init): If SIOCSPGRP is not available, don't use
	it.  This means that the stop button doesn't work, but is better
	than nothing.

Wed Mar 29 17:09:29 1995  Stu Grossman  (grossman@cygnus.com)

	* Makefile.in (gdbtk.o):  Use X11_CFLAGS to provide alternate
	locations (per-host) for X11 include files.
	* config/pa/hppahpux.mh (XM_CLIBS):  Add -L/usr/lib/X11R5 to force
	the use of R5 libs.
	(X11_CFLAGS):  Add this to indicate the locs
	of the R5 include files.

Wed Mar  8 16:12:21 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdb_get_breakpoint_info):  Return error if breakpoint
	type is not bp_breakpoint.

Tue Feb 14 17:16:41 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c: Ditto.
	* gdbtk.c: General cleanups, get rid of unused variables.  Redo
	handling of stdout/stderr to just return output as the result of
	the tcl command that caused the output.  Cleanup -Wall stuff.
	* (breakpoint_notify):  Now returns just action and breakpoint
	number.
	* (gdb_get_breakpoint_list):  New routine.  Does the obvious.
	* (gdb_get_breakpoint_info):  Mostly derived from the old
	breakpoint_notify, but returns lots more info.
	* (dsprintf_append_element):  Helper routine, works like printf,
	but appends a tcl element onto the specified DString.  Good for
	building up lists as return values.
	* (gdbtk_enable/disable_breakpoint):  Go away.  Replaced with
	gdbtk_modify_breakpoint.
	* (*many routines*):  Use new result protocol.
	* (call_wrapper):  Make sure that recursive calls don't trash results.
	* gdbtk.tcl:  New windows, autocmd, and breakpoints.
	* (gdbtk_tcl_fputs):  Don't use $current_output_win redirection
	anymore.  It's not needed (in fact, this routine may not be needed
	anymore).
	* (gdbtk_tcl_breakpoint):  Change to reflect new breakpoint
	notification protocol.
	* (gdbtk_tcl_busy gdbtk_tcl_idle):  Straighten out buttons, remove
	catches.
	* (interactive_cmd):  Use this wrapper around button invocations
	of many commands.  This will catch errors and put the results into
	the command window.  It also updates all the other windows.
	* Also, change reliefs of most things to sunken.  This actually
	looks better.
	* (create_file_win):  Fix margin binding to allow breakpoints to
	work again.
	* (create_asm_win):  Use return value of gdb_disassemble instead
	of implicit I/O to the command window.	
	* (create_command_window):  Use new result protocol to get output
	from commands.

Sun Feb  5 20:32:44 1995  Jim Kingdon  (kingdon@lioth.cygnus.com)

	* gdbtk.c (gdb_disassemble): Deference pointer to function before
	calling it (pre-ANSI compilers generally require this).

Fri Feb  3 11:19:20 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdb_disassemble): Get rid of
	dis_asm_read_memory_hook.  We can now call the disassemblers
	directly and have no need for this hook anymore.

Mon Jan 30 17:34:24 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl (create_file_win):  Disable old popup menu for source
	window.

Wed Jan 25 18:23:46 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdbtk_init):  Prevent segfault when gdbtk.tcl can't be
	found.
	* gdbtk.tcl:  Initialize expr_update_list() to prevent errors when
	popping up expression window for the first time.

Tue Jan 24 12:10:28 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl (create_registers_window):  Work around a radiobutton
	widget bug to make Options|Natural button work.

	* gdbtk.c (gdb_disassemble):  Fix problem with source+assembly and
	g++ caused by out-of-order pc's.
	* gdbtk.tcl (files_command):  Remove duplicate file names.  Also,
	add scrollbar.

Mon Jan 23 17:21:09 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl:  Take .gdbtkinit if it exists.  Makes gdbtk match the
	doc!

Thu Jan 12 15:02:40 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c, gdbtk.tcl:  Update/add copyright.
	* gdbtk.tcl (build_framework):  Several fixes for filespec widget,
	including dismiss button, and better error handling.
	* (create_command_win):  Bind button 2 to retrieve selection.

Wed Jan 11 17:06:55 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl:  Add button to control mixed source disassembly.
	Use text widgets in expr window.  The give me more control over
	layout.
	Add auto-updating of exprs in expression window.
	Handle expressions out of scope a bit better.
	Make selected window pop up to the top when invoked via the
	menubar.
	Make copyright message have raised relief.

	* gdbtk.c (gdbtk_init):  Improve handling for errors in gdbtk.tcl
	during startup.

Thu Jan  5 17:38:29 1995  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (finish_saving_output):  Don't do anything if not saving
	output.
	* (breakpoint_notify):  Don't send null filename to tcl.
	* (gdb_eval):  New tcl command to eval an expression.
	* (gdb_disassemble):  New tcl command to do disassembly.  This
	allows tcl code to choose between exec file and target memeory,
	and can also do mixed source and assembly.
	* (gdbtk_init):  Move reading of gdbtk.tcl to the end to make sure
	that more of the environment is set up.  Also, create link between
	gdb and tcl vars disassemble{-_}from{-_}exec.

	* gdbtk.tcl:  New expression window support.
	* Make assembly window be 80 columns wide.
	* Use new disassembly method.  Add menu items to select
	disassembly from exec file or target.
	* Change View menubar item to Options.

	* Get rid of Stack, Breakpoints, Signals, and Variables Windows,
	since they don't exist yet.

	* Pop up a copyright window on startup.

Wed Jan  4 19:49:10 1995  Stan Shebs  <shebs@andros.cygnus.com>

	* gdbtk.tcl (build_framework): Add standard commands menu, more
	windows to standard windows menu.
	(not_implemented_yet): Clarify message.

Fri Dec 30 15:49:00 1994  Stan Shebs  <shebs@andros.cygnus.com>

	* gdbtk.tcl (FSBox): New proc, File Selection Box code from exmh.
	(not_implemented_yet): New proc.
	(build_framework): Add various file commands to file menu.

Fri Dec 23 16:18:50 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdbtk_wait gdbtk_init):  Portability improvements for
	SIGIO handling.

Mon Dec 19 09:55:47 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl (update_assembly):  Force update to make sure that pc
	is visible when creating new assembly windows.

Sun Dec 18 23:31:20 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdbtk_wait gdbtk_init):  Use different method of
	enabling I/O interrupts for SVR4 (streams).
	* (start_saving_output save_output get_saved_output
	finish_saving_output flush_holdbuf gdbtk_flush gdbtk_fputs
	gdbtk_init):
	Totally revamp to use TCLs dynamic string functions.  Also, quote
	all data passed back to TCL to prevent errors with unmatched
	braces, odd characters, etc...  This fixes several wierd problems
	with outputting strings containing unmatched braces.
	* (breakpoint_notify gdb_loc):  Use long hex format to output
	addresses of breakpoints and PCs.  This fixes some Alpha problems.
	* (breakpoint_notify):  Add stream arg to call to gdbtk_fputs.
	* (gdb_listfiles):  Also, go through the symtabs when looking for
	files.  This makes xcoff work (sort of), but probably breaks
	something else.
	* (gdb_stop):  Return TCL_OK instead of nothing.  This fixes odd
	TCL errors when hitting stop button.
	* (tk_command):  Don't pass interp->result on to Tcl_{Var}Eval, as
	that will trash the result.  strdup the result instead and pass
	that on.  Improve error handling as well.

	* gdbtk.tcl (gdbtk_tcl_flush):  Use global def of
	current_output_win.  Makes flushing actually work!
	* (asm_win_name create_asm_win update_assembly):  Bunch of fixes
	to make assembly windows stop flashing when loading a new file.
	* (gdbtk_tcl_busy gdbtk_tcl_idle):  Use catch to prevent gdb_cmd
	errors from losing control.
	* (create_source_window):  Add source file selection to View menu.
	* (create_command_window (<Key-Return> binding):  Quote text fed
	into gdb_cmd to prevent eval errors.

Thu Dec 15 16:40:10 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c: Improve mechanism for capturing output values.
	(full_filename): Remove.
	(gdb_cmd call_wrapper gdbtk_init): Protect all calls from tcl land
	with call_wrapper.  This prevents longjmps (usually via error())
	from jumping out of tcl/tk and leaving things in an indeterminate
	state.
	(gdbtk_fputs): Differentiate stdout from stderr when passing text
	into tcl land.
	* gdbtk.tcl: New view option to disable line numbers.  Put catch
	around most uses of gdb_cmd.  Add update button to reg config
	window.  Stop doing immediate updates when selecting registers.
	Change register view values into checkbuttons.

Mon Dec 12 16:59:29 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl (reg_config_menu create_registers_window
	recompute_reg_display_list):  Use array instead of individual vars
	for register display list.
	* (recompute_reg_display_list update_registers):  Fix bug with not
	displaying all registers.

Mon Dec 12 12:22:21 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c:  New tcl commands:  gdb_fetch_registers,
	gdb_changed_register_list, and gdb_regnames.
	* gdbtk.tcl:  Use monochrome color model for now.
	* (delete_breakpoint_tag create_file_win):  Add breakdot support.
	* (create_file_win create_asm_win update_listing build_framework
	create_source_window create_command_window):  Re-org window
	creation to give all windows consistent look and feel.
	* (update_listing update_asm):  Change pc pointer to '->'.
	* (registers_command reg_config_menu create_registers_window
	populate_reg_window update_registers):  Revamp register window.
	Allow selection of registers to be displayed.  Highlight changed
	registers.

Mon Nov 28 09:17:20 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl (build_framework):  Fix bug with setting window titles.

	* gdbtk.tcl (build_framework):  Add "Report bug" to help menu.

	* gdbtk.tcl:  Re-arrange windows using new, consistent layout. Clean
	up lots of code and centralize framework initialization.

Wed Nov 16 15:28:29 1994  Rob Savoye  (rob@cygnus.com)

	* Makefile.in: Fix the test for installing gdbtk.

Mon Nov 14 08:51:29 1994  Stu Grossman  (grossman@cygnus.com)

	* Makefile.in:  Install gdbtk.tcl.
	* configure.in:  Add ENABLE_GDBTK flag.
	* gdbtk.c (gdb_sourcelines):  Returns list of source lines
	containing code.  (gdb_regnames):  Returns list of register names.

Thu Nov  3 14:25:24 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdb_stop):  Switch to target_stop().

Tue Nov  1 16:41:12 1994  Stu Grossman  (grossman@cygnus.com)

	* Makefile.in:  Use $(objdir)/tcl and $(objdir)/tk if they are
	available.
	* configure.in (ENABLE_CLIBS):  Use $(TCL) and $(TK) instead of
	-ltcl and -ltk.
	* gdbtk.c:  Get rid of lots of unnecessary #includes.
	* (gdbtk_init):  Use ConnectionNumber macro instead of referencing
	Display structure directly.
	* gdbtk.tcl:  Change exit button to quit button.

Wed Oct 26 15:41:07 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c: Change sense and name of no_windows variable.  Now
 	called use_windows, and defaults to off (for compatibility).

Thu Oct 20 17:35:45 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdb_cmd):  Force GUI into idle mode when errors occur.
	* (gdb_stop):  New tcl command to stop the target process.
	* (x_event, gdbtk_wait):  Allow GUI to interrupt gdb out of target
	waits.
	* (gdbtk_call_command):  Wrapper around command processing to
	alert GUI of target state changes.
	* (gdbtk_init):  Get the fd of X server for doing async
	notification of X events (via x_event).  Setup new hooks.
	* gdbtk.tcl:  Add scrollbars to assembly and command windows.
	* Change window foreground & background colors.
	* Create margin tag for breakpoints in source and assembly windows.
	* Add new routines to be invoked when target state changes to/from
	idle.
	* Add start of expression window.
	* Change bindings of mouse button 1 in assembly and source window
	to just set or clear breakpoints when in the margin tag.
	* Change shape of register window to be more vertical to better
	reflect its contents.
	* Add stop button.
	* Cleanup some code around command window bindings.

Sat Sep 17 17:05:14 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl:  Let ^U delete lines in the command window.

Fri Sep 16 15:40:34 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c:  Replace calls to full_filename with symtab_to_filename.  
	* gdbtk.tcl:  New routine pc_to_line replaces in line code.  New
	routine decr replaces in line code.
	* (create_file_win):  Use catch to handle open failures more
	elegantly.  Also, create special window to display file open
	failure message.  Move opening of file prior to creation of text
	widget.
	* (create_asm_win):  Add PC as argument.  We now base disassembly
	on PC instead of function name, since function names can be
	ambiguous (usually seen with shared libs).  Also, use catch to
	simplify code where we don't care about failures.

Wed Sep 14 00:55:26 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.tcl:  Add ref counts to breakpoint tags.
	* Put quotes around function name in disassemble command to better
	handle assembler names containing `.'.
	* Make pclist element 0 be filler to avoid off-by-one problem with
	line numbers.
	* Set names of top-level windows.
	* Add register display window.
	* Add PC to label of assembly window.

Tue Sep 13 08:59:04 1994  Stu Grossman  (grossman@cygnus.com)

	* gdbtk.c (gdbtk_flush gdbtk_fputs):  Buffer up output to make
	disassembly more efficient.
	* (breakpoint_notify):  Include pc in gdbtk_tcl_breakpoint
	callback.
	* (gdb_loc):  Include pc in return value.  Also, return function
	name if arg was specified.
	* (gdb_cmd_stub):  Call gdb_flush to drain internal GDB buffers
	after command completes.
	* (gdbtk_init):  Improve error handling.

	* gdbtk.tcl:  Add lots of comments.  Clean up code.
	* (gdbtk_tcl_fputs):  Make output window redirectable.
	* Add assembly window, and breapoint support.
	* Make button 1 in margin toggle breakpoints.
	* Use stippling to indicate breakpoint disabling.

Fri Sep  2 19:11:40 1994  Stu Grossman  (grossman@cygnus.com)

	* configure.in: Don't symlink to gdbtk.tcl if it's already there.

Thu Jul 28 14:37:36 1994  Stu Grossman  (grossman@cygnus.com)

	Support for TK GUI.
	* Makefile.in:  Add rule for gdbtk.o.
	* configure.in:  Add support for --enable-gdbtk.
	* gdbtk.c:  New file.  Contains support routines for TK interface.
	* gdbtk.tcl:  New file.  Implements GUI policy.


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