1caae1650b
* mi/mi-parse.h: * mi/mi-parse.c: * mi/mi-out.h: * mi/mi-out.c: * mi/mi-main.h: * mi/mi-main.c: * mi/mi-interp.c: * mi/mi-getopt.h: * mi/mi-getopt.c: * mi/mi-console.h: * mi/mi-console.c: * mi/mi-common.h: * mi/mi-common.c: * mi/mi-cmds.h: * mi/mi-cmds.c: * mi/mi-cmd-var.c: * mi/mi-cmd-stack.c: * mi/mi-cmd-file.c: * mi/mi-cmd-env.c: * mi/mi-cmd-disas.c: * mi/mi-cmd-break.c: Add (C) after Copyright. Update the FSF address.
396 lines
12 KiB
C
396 lines
12 KiB
C
/* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
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Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "gdb_string.h"
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#include "interps.h"
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#include "event-top.h"
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#include "event-loop.h"
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#include "inferior.h"
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#include "ui-out.h"
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#include "top.h"
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#include "exceptions.h"
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#include "mi-main.h"
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#include "mi-cmds.h"
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#include "mi-out.h"
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#include "mi-console.h"
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struct mi_interp
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{
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/* MI's output channels */
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struct ui_file *out;
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struct ui_file *err;
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struct ui_file *log;
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struct ui_file *targ;
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struct ui_file *event_channel;
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/* This is the interpreter for the mi... */
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struct interp *mi2_interp;
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struct interp *mi1_interp;
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struct interp *mi_interp;
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};
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/* These are the interpreter setup, etc. functions for the MI interpreter */
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static void mi_execute_command_wrapper (char *cmd);
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static void mi_command_loop (int mi_version);
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/* These are hooks that we put in place while doing interpreter_exec
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so we can report interesting things that happened "behind the mi's
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back" in this command */
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static int mi_interp_query_hook (const char *ctlstr, va_list ap)
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ATTR_FORMAT (printf, 1, 0);
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static void mi3_command_loop (void);
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static void mi2_command_loop (void);
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static void mi1_command_loop (void);
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static void mi_insert_notify_hooks (void);
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static void mi_remove_notify_hooks (void);
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static void *
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mi_interpreter_init (void)
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{
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struct mi_interp *mi = XMALLOC (struct mi_interp);
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/* Why is this a part of the mi architecture? */
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mi_setup_architecture_data ();
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/* HACK: We need to force stdout/stderr to point at the console. This avoids
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any potential side effects caused by legacy code that is still
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using the TUI / fputs_unfiltered_hook. So we set up output channels for
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this now, and swap them in when we are run. */
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raw_stdout = stdio_fileopen (stdout);
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/* Create MI channels */
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mi->out = mi_console_file_new (raw_stdout, "~", '"');
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mi->err = mi_console_file_new (raw_stdout, "&", '"');
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mi->log = mi->err;
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mi->targ = mi_console_file_new (raw_stdout, "@", '"');
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mi->event_channel = mi_console_file_new (raw_stdout, "=", 0);
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return mi;
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}
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static int
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mi_interpreter_resume (void *data)
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{
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struct mi_interp *mi = data;
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/* As per hack note in mi_interpreter_init, swap in the output channels... */
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gdb_setup_readline ();
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/* These overwrite some of the initialization done in
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_intialize_event_loop. */
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call_readline = gdb_readline2;
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input_handler = mi_execute_command_wrapper;
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add_file_handler (input_fd, stdin_event_handler, 0);
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async_command_editing_p = 0;
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/* FIXME: This is a total hack for now. PB's use of the MI
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implicitly relies on a bug in the async support which allows
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asynchronous commands to leak through the commmand loop. The bug
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involves (but is not limited to) the fact that sync_execution was
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erroneously initialized to 0. Duplicate by initializing it thus
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here... */
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sync_execution = 0;
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gdb_stdout = mi->out;
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/* Route error and log output through the MI */
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gdb_stderr = mi->err;
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gdb_stdlog = mi->log;
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/* Route target output through the MI. */
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gdb_stdtarg = mi->targ;
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/* Route target error through the MI as well. */
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gdb_stdtargerr = mi->targ;
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/* Replace all the hooks that we know about. There really needs to
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be a better way of doing this... */
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clear_interpreter_hooks ();
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deprecated_show_load_progress = mi_load_progress;
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/* If we're _the_ interpreter, take control. */
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if (current_interp_named_p (INTERP_MI1))
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deprecated_command_loop_hook = mi1_command_loop;
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else if (current_interp_named_p (INTERP_MI2))
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deprecated_command_loop_hook = mi2_command_loop;
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else if (current_interp_named_p (INTERP_MI3))
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deprecated_command_loop_hook = mi3_command_loop;
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else
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deprecated_command_loop_hook = mi2_command_loop;
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return 1;
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}
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static int
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mi_interpreter_suspend (void *data)
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{
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gdb_disable_readline ();
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return 1;
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}
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static struct gdb_exception
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mi_interpreter_exec (void *data, const char *command)
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{
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static struct gdb_exception ok;
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char *tmp = alloca (strlen (command) + 1);
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strcpy (tmp, command);
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mi_execute_command_wrapper (tmp);
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return exception_none;
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}
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/* Never display the default gdb prompt in mi case. */
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static int
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mi_interpreter_prompt_p (void *data)
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{
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return 0;
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}
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static void
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mi_interpreter_exec_continuation (struct continuation_arg *arg)
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{
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bpstat_do_actions (&stop_bpstat);
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if (!target_executing)
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{
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fputs_unfiltered ("*stopped", raw_stdout);
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mi_out_put (uiout, raw_stdout);
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fputs_unfiltered ("\n", raw_stdout);
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fputs_unfiltered ("(gdb) \n", raw_stdout);
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gdb_flush (raw_stdout);
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do_exec_cleanups (ALL_CLEANUPS);
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}
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else if (target_can_async_p ())
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{
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add_continuation (mi_interpreter_exec_continuation, NULL);
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}
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}
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enum mi_cmd_result
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mi_cmd_interpreter_exec (char *command, char **argv, int argc)
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{
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struct interp *interp_to_use;
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enum mi_cmd_result result = MI_CMD_DONE;
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int i;
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struct interp_procs *procs;
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if (argc < 2)
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{
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mi_error_message = xstrprintf ("mi_cmd_interpreter_exec: Usage: -interpreter-exec interp command");
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return MI_CMD_ERROR;
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}
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interp_to_use = interp_lookup (argv[0]);
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if (interp_to_use == NULL)
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{
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mi_error_message = xstrprintf ("mi_cmd_interpreter_exec: could not find interpreter \"%s\"", argv[0]);
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return MI_CMD_ERROR;
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}
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if (!interp_exec_p (interp_to_use))
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{
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mi_error_message = xstrprintf ("mi_cmd_interpreter_exec: interpreter \"%s\" does not support command execution",
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argv[0]);
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return MI_CMD_ERROR;
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}
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/* Insert the MI out hooks, making sure to also call the interpreter's hooks
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if it has any. */
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/* KRS: We shouldn't need this... Events should be installed and they should
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just ALWAYS fire something out down the MI channel... */
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mi_insert_notify_hooks ();
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/* Now run the code... */
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for (i = 1; i < argc; i++)
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{
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char *buff = NULL;
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/* Do this in a cleaner way... We want to force execution to be
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asynchronous for commands that run the target. */
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if (target_can_async_p () && (strcmp (argv[0], "console") == 0))
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{
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int len = strlen (argv[i]);
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buff = xmalloc (len + 2);
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memcpy (buff, argv[i], len);
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buff[len] = '&';
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buff[len + 1] = '\0';
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}
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/* We had to set sync_execution = 0 for the mi (well really for Project
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Builder's use of the mi - particularly so interrupting would work.
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But for console commands to work, we need to initialize it to 1 -
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since that is what the cli expects - before running the command,
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and then set it back to 0 when we are done. */
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sync_execution = 1;
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{
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struct gdb_exception e = interp_exec (interp_to_use, argv[i]);
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if (e.reason < 0)
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{
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mi_error_message = xstrdup (e.message);
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result = MI_CMD_ERROR;
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break;
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}
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}
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xfree (buff);
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do_exec_error_cleanups (ALL_CLEANUPS);
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sync_execution = 0;
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}
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mi_remove_notify_hooks ();
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/* Okay, now let's see if the command set the inferior going...
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Tricky point - have to do this AFTER resetting the interpreter, since
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changing the interpreter will clear out all the continuations for
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that interpreter... */
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if (target_can_async_p () && target_executing)
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{
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fputs_unfiltered ("^running\n", raw_stdout);
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add_continuation (mi_interpreter_exec_continuation, NULL);
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}
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return result;
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}
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/*
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* mi_insert_notify_hooks - This inserts a number of hooks that are meant to produce
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* async-notify ("=") MI messages while running commands in another interpreter
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* using mi_interpreter_exec. The canonical use for this is to allow access to
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* the gdb CLI interpreter from within the MI, while still producing MI style output
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* when actions in the CLI command change gdb's state.
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*/
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static void
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mi_insert_notify_hooks (void)
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{
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deprecated_query_hook = mi_interp_query_hook;
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}
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static void
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mi_remove_notify_hooks (void)
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{
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deprecated_query_hook = NULL;
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}
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static int
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mi_interp_query_hook (const char *ctlstr, va_list ap)
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{
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return 1;
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}
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static void
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mi_execute_command_wrapper (char *cmd)
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{
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mi_execute_command (cmd, stdin == instream);
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}
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static void
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mi1_command_loop (void)
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{
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mi_command_loop (1);
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}
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static void
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mi2_command_loop (void)
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{
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mi_command_loop (2);
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}
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static void
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mi3_command_loop (void)
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{
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mi_command_loop (3);
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}
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static void
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mi_command_loop (int mi_version)
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{
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#if 0
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/* HACK: Force stdout/stderr to point at the console. This avoids
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any potential side effects caused by legacy code that is still
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using the TUI / fputs_unfiltered_hook */
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raw_stdout = stdio_fileopen (stdout);
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/* Route normal output through the MIx */
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gdb_stdout = mi_console_file_new (raw_stdout, "~", '"');
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/* Route error and log output through the MI */
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gdb_stderr = mi_console_file_new (raw_stdout, "&", '"');
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gdb_stdlog = gdb_stderr;
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/* Route target output through the MI. */
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gdb_stdtarg = mi_console_file_new (raw_stdout, "@", '"');
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/* HACK: Poke the ui_out table directly. Should we be creating a
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mi_out object wired up to the above gdb_stdout / gdb_stderr? */
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uiout = mi_out_new (mi_version);
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/* HACK: Override any other interpreter hooks. We need to create a
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real event table and pass in that. */
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deprecated_init_ui_hook = 0;
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/* deprecated_command_loop_hook = 0; */
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deprecated_print_frame_info_listing_hook = 0;
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deprecated_query_hook = 0;
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deprecated_warning_hook = 0;
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deprecated_create_breakpoint_hook = 0;
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deprecated_delete_breakpoint_hook = 0;
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deprecated_modify_breakpoint_hook = 0;
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deprecated_interactive_hook = 0;
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deprecated_registers_changed_hook = 0;
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deprecated_readline_begin_hook = 0;
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deprecated_readline_hook = 0;
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deprecated_readline_end_hook = 0;
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deprecated_register_changed_hook = 0;
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deprecated_memory_changed_hook = 0;
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deprecated_context_hook = 0;
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deprecated_target_wait_hook = 0;
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deprecated_call_command_hook = 0;
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deprecated_error_hook = 0;
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deprecated_error_begin_hook = 0;
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deprecated_show_load_progress = mi_load_progress;
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#endif
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/* Turn off 8 bit strings in quoted output. Any character with the
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high bit set is printed using C's octal format. */
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sevenbit_strings = 1;
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/* Tell the world that we're alive */
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fputs_unfiltered ("(gdb) \n", raw_stdout);
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gdb_flush (raw_stdout);
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start_event_loop ();
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}
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extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */
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void
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_initialize_mi_interp (void)
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{
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static const struct interp_procs procs =
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{
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mi_interpreter_init, /* init_proc */
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mi_interpreter_resume, /* resume_proc */
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mi_interpreter_suspend, /* suspend_proc */
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mi_interpreter_exec, /* exec_proc */
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mi_interpreter_prompt_p /* prompt_proc_p */
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};
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/* The various interpreter levels. */
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interp_add (interp_new (INTERP_MI1, NULL, mi_out_new (1), &procs));
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interp_add (interp_new (INTERP_MI2, NULL, mi_out_new (2), &procs));
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interp_add (interp_new (INTERP_MI3, NULL, mi_out_new (3), &procs));
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/* "mi" selects the most recent released version. "mi2" was
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released as part of GDB 6.0. */
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interp_add (interp_new (INTERP_MI, NULL, mi_out_new (2), &procs));
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}
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