mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
c765fdb902
defs.h includes utils.h, and utils.h includes exceptions.h. All GDB .c files include defs.h as their first line, so no file other than utils.h needs to include exceptions.h. This commit removes all such inclusions. gdb/ChangeLog: * ada-lang.c: Do not include exceptions.h. * ada-valprint.c: Likewise. * amd64-tdep.c: Likewise. * auto-load.c: Likewise. * block.c: Likewise. * break-catch-throw.c: Likewise. * breakpoint.c: Likewise. * btrace.c: Likewise. * c-lang.c: Likewise. * cli/cli-cmds.c: Likewise. * cli/cli-interp.c: Likewise. * cli/cli-script.c: Likewise. * completer.c: Likewise. * corefile.c: Likewise. * corelow.c: Likewise. * cp-abi.c: Likewise. * cp-support.c: Likewise. * cp-valprint.c: Likewise. * darwin-nat.c: Likewise. * dwarf2-frame-tailcall.c: Likewise. * dwarf2-frame.c: Likewise. * dwarf2loc.c: Likewise. * dwarf2read.c: Likewise. * eval.c: Likewise. * event-loop.c: Likewise. * event-top.c: Likewise. * f-valprint.c: Likewise. * frame-unwind.c: Likewise. * frame.c: Likewise. * gdbtypes.c: Likewise. * gnu-v2-abi.c: Likewise. * gnu-v3-abi.c: Likewise. * guile/scm-auto-load.c: Likewise. * guile/scm-breakpoint.c: Likewise. * guile/scm-cmd.c: Likewise. * guile/scm-frame.c: Likewise. * guile/scm-lazy-string.c: Likewise. * guile/scm-param.c: Likewise. * guile/scm-symbol.c: Likewise. * guile/scm-type.c: Likewise. * hppa-hpux-tdep.c: Likewise. * i386-tdep.c: Likewise. * inf-loop.c: Likewise. * infcall.c: Likewise. * infcmd.c: Likewise. * infrun.c: Likewise. * interps.c: Likewise. * interps.h: Likewise. * jit.c: Likewise. * linespec.c: Likewise. * linux-nat.c: Likewise. * linux-thread-db.c: Likewise. * m32r-rom.c: Likewise. * main.c: Likewise. * memory-map.c: Likewise. * mi/mi-cmd-break.c: Likewise. * mi/mi-cmd-stack.c: Likewise. * mi/mi-interp.c: Likewise. * mi/mi-main.c: Likewise. * monitor.c: Likewise. * nto-procfs.c: Likewise. * objc-lang.c: Likewise. * p-valprint.c: Likewise. * parse.c: Likewise. * ppc-linux-tdep.c: Likewise. * printcmd.c: Likewise. * probe.c: Likewise. * python/py-auto-load.c: Likewise. * python/py-breakpoint.c: Likewise. * python/py-cmd.c: Likewise. * python/py-finishbreakpoint.c: Likewise. * python/py-frame.c: Likewise. * python/py-framefilter.c: Likewise. * python/py-function.c: Likewise. * python/py-gdb-readline.c: Likewise. * python/py-inferior.c: Likewise. * python/py-infthread.c: Likewise. * python/py-lazy-string.c: Likewise. * python/py-linetable.c: Likewise. * python/py-param.c: Likewise. * python/py-prettyprint.c: Likewise. * python/py-symbol.c: Likewise. * python/py-type.c: Likewise. * python/py-value.c: Likewise. * python/python-internal.h: Likewise. * python/python.c: Likewise. * record-btrace.c: Likewise. * record-full.c: Likewise. * regcache.c: Likewise. * remote-fileio.c: Likewise. * remote-mips.c: Likewise. * remote.c: Likewise. * rs6000-aix-tdep.c: Likewise. * rs6000-nat.c: Likewise. * skip.c: Likewise. * solib-darwin.c: Likewise. * solib-dsbt.c: Likewise. * solib-frv.c: Likewise. * solib-ia64-hpux.c: Likewise. * solib-spu.c: Likewise. * solib-svr4.c: Likewise. * solib.c: Likewise. * spu-tdep.c: Likewise. * stack.c: Likewise. * stap-probe.c: Likewise. * symfile-mem.c: Likewise. * symmisc.c: Likewise. * target.c: Likewise. * thread.c: Likewise. * top.c: Likewise. * tracepoint.c: Likewise. * tui/tui-interp.c: Likewise. * typeprint.c: Likewise. * utils.c: Likewise. * valarith.c: Likewise. * valops.c: Likewise. * valprint.c: Likewise. * value.c: Likewise. * varobj.c: Likewise. * windows-nat.c: Likewise. * xml-support.c: Likewise.
502 lines
14 KiB
C
502 lines
14 KiB
C
/* Manages interpreters for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2000-2014 Free Software Foundation, Inc.
|
|
|
|
Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* This is just a first cut at separating out the "interpreter"
|
|
functions of gdb into self-contained modules. There are a couple
|
|
of open areas that need to be sorted out:
|
|
|
|
1) The interpreter explicitly contains a UI_OUT, and can insert itself
|
|
into the event loop, but it doesn't explicitly contain hooks for readline.
|
|
I did this because it seems to me many interpreters won't want to use
|
|
the readline command interface, and it is probably simpler to just let
|
|
them take over the input in their resume proc. */
|
|
|
|
#include "defs.h"
|
|
#include "gdbcmd.h"
|
|
#include "ui-out.h"
|
|
#include "event-loop.h"
|
|
#include "event-top.h"
|
|
#include "interps.h"
|
|
#include "completer.h"
|
|
#include "top.h" /* For command_loop. */
|
|
#include "continuations.h"
|
|
|
|
/* True if the current interpreter in is async mode. See interps.h
|
|
for more details. This starts out disabled, until all the explicit
|
|
command line arguments (e.g., `gdb -ex "start" -ex "next"') are
|
|
processed. */
|
|
int interpreter_async = 0;
|
|
|
|
struct interp
|
|
{
|
|
/* This is the name in "-i=" and set interpreter. */
|
|
const char *name;
|
|
|
|
/* Interpreters are stored in a linked list, this is the next
|
|
one... */
|
|
struct interp *next;
|
|
|
|
/* This is a cookie that an instance of the interpreter can use.
|
|
This is a bit confused right now as the exact initialization
|
|
sequence for it, and how it relates to the interpreter's uiout
|
|
object is a bit confused. */
|
|
void *data;
|
|
|
|
/* Has the init_proc been run? */
|
|
int inited;
|
|
|
|
const struct interp_procs *procs;
|
|
int quiet_p;
|
|
};
|
|
|
|
/* The magic initialization routine for this module. */
|
|
|
|
void _initialize_interpreter (void);
|
|
|
|
/* Variables local to this file: */
|
|
|
|
static struct interp *interp_list = NULL;
|
|
static struct interp *current_interpreter = NULL;
|
|
static struct interp *top_level_interpreter_ptr = NULL;
|
|
|
|
/* interp_new - This allocates space for a new interpreter,
|
|
fills the fields from the inputs, and returns a pointer to the
|
|
interpreter. */
|
|
struct interp *
|
|
interp_new (const char *name, const struct interp_procs *procs)
|
|
{
|
|
struct interp *new_interp;
|
|
|
|
new_interp = XNEW (struct interp);
|
|
|
|
new_interp->name = xstrdup (name);
|
|
new_interp->data = NULL;
|
|
new_interp->quiet_p = 0;
|
|
new_interp->procs = procs;
|
|
new_interp->inited = 0;
|
|
|
|
/* Check for required procs. */
|
|
gdb_assert (procs->command_loop_proc != NULL);
|
|
|
|
return new_interp;
|
|
}
|
|
|
|
/* Add interpreter INTERP to the gdb interpreter list. The
|
|
interpreter must not have previously been added. */
|
|
void
|
|
interp_add (struct interp *interp)
|
|
{
|
|
gdb_assert (interp_lookup (interp->name) == NULL);
|
|
|
|
interp->next = interp_list;
|
|
interp_list = interp;
|
|
}
|
|
|
|
/* This sets the current interpreter to be INTERP. If INTERP has not
|
|
been initialized, then this will also run the init proc. If the
|
|
init proc is successful, return 1, if it fails, set the old
|
|
interpreter back in place and return 0. If we can't restore the
|
|
old interpreter, then raise an internal error, since we are in
|
|
pretty bad shape at this point.
|
|
|
|
The TOP_LEVEL parameter tells if this new interpreter is
|
|
the top-level one. The top-level is what is requested
|
|
on the command line, and is responsible for reporting general
|
|
notification about target state changes. For example, if
|
|
MI is the top-level interpreter, then it will always report
|
|
events such as target stops and new thread creation, even if they
|
|
are caused by CLI commands. */
|
|
int
|
|
interp_set (struct interp *interp, int top_level)
|
|
{
|
|
struct interp *old_interp = current_interpreter;
|
|
int first_time = 0;
|
|
char buffer[64];
|
|
|
|
/* If we already have an interpreter, then trying to
|
|
set top level interpreter is kinda pointless. */
|
|
gdb_assert (!top_level || !current_interpreter);
|
|
gdb_assert (!top_level || !top_level_interpreter_ptr);
|
|
|
|
if (current_interpreter != NULL)
|
|
{
|
|
ui_out_flush (current_uiout);
|
|
if (current_interpreter->procs->suspend_proc
|
|
&& !current_interpreter->procs->suspend_proc (current_interpreter->
|
|
data))
|
|
{
|
|
error (_("Could not suspend interpreter \"%s\"."),
|
|
current_interpreter->name);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
first_time = 1;
|
|
}
|
|
|
|
current_interpreter = interp;
|
|
if (top_level)
|
|
top_level_interpreter_ptr = interp;
|
|
|
|
/* We use interpreter_p for the "set interpreter" variable, so we need
|
|
to make sure we have a malloc'ed copy for the set command to free. */
|
|
if (interpreter_p != NULL
|
|
&& strcmp (current_interpreter->name, interpreter_p) != 0)
|
|
{
|
|
xfree (interpreter_p);
|
|
|
|
interpreter_p = xstrdup (current_interpreter->name);
|
|
}
|
|
|
|
/* Run the init proc. If it fails, try to restore the old interp. */
|
|
|
|
if (!interp->inited)
|
|
{
|
|
if (interp->procs->init_proc != NULL)
|
|
{
|
|
interp->data = interp->procs->init_proc (interp, top_level);
|
|
}
|
|
interp->inited = 1;
|
|
}
|
|
|
|
/* Do this only after the interpreter is initialized. */
|
|
current_uiout = interp->procs->ui_out_proc (interp);
|
|
|
|
/* Clear out any installed interpreter hooks/event handlers. */
|
|
clear_interpreter_hooks ();
|
|
|
|
if (interp->procs->resume_proc != NULL
|
|
&& (!interp->procs->resume_proc (interp->data)))
|
|
{
|
|
if (old_interp == NULL || !interp_set (old_interp, 0))
|
|
internal_error (__FILE__, __LINE__,
|
|
_("Failed to initialize new interp \"%s\" %s"),
|
|
interp->name, "and could not restore old interp!\n");
|
|
return 0;
|
|
}
|
|
|
|
if (!first_time && !interp_quiet_p (interp))
|
|
{
|
|
xsnprintf (buffer, sizeof (buffer),
|
|
"Switching to interpreter \"%.24s\".\n", interp->name);
|
|
ui_out_text (current_uiout, buffer);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* interp_lookup - Looks up the interpreter for NAME. If no such
|
|
interpreter exists, return NULL, otherwise return a pointer to the
|
|
interpreter. */
|
|
struct interp *
|
|
interp_lookup (const char *name)
|
|
{
|
|
struct interp *interp;
|
|
|
|
if (name == NULL || strlen (name) == 0)
|
|
return NULL;
|
|
|
|
for (interp = interp_list; interp != NULL; interp = interp->next)
|
|
{
|
|
if (strcmp (interp->name, name) == 0)
|
|
return interp;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Returns the current interpreter. */
|
|
|
|
struct ui_out *
|
|
interp_ui_out (struct interp *interp)
|
|
{
|
|
if (interp != NULL)
|
|
return interp->procs->ui_out_proc (interp);
|
|
|
|
return current_interpreter->procs->ui_out_proc (current_interpreter);
|
|
}
|
|
|
|
int
|
|
current_interp_set_logging (int start_log, struct ui_file *out,
|
|
struct ui_file *logfile)
|
|
{
|
|
if (current_interpreter == NULL
|
|
|| current_interpreter->procs->set_logging_proc == NULL)
|
|
return 0;
|
|
|
|
return current_interpreter->procs->set_logging_proc (current_interpreter,
|
|
start_log, out,
|
|
logfile);
|
|
}
|
|
|
|
/* Temporarily overrides the current interpreter. */
|
|
struct interp *
|
|
interp_set_temp (const char *name)
|
|
{
|
|
struct interp *interp = interp_lookup (name);
|
|
struct interp *old_interp = current_interpreter;
|
|
|
|
if (interp)
|
|
current_interpreter = interp;
|
|
return old_interp;
|
|
}
|
|
|
|
/* Returns the interpreter's cookie. */
|
|
|
|
void *
|
|
interp_data (struct interp *interp)
|
|
{
|
|
return interp->data;
|
|
}
|
|
|
|
/* Returns the interpreter's name. */
|
|
|
|
const char *
|
|
interp_name (struct interp *interp)
|
|
{
|
|
return interp->name;
|
|
}
|
|
|
|
/* Returns true if the current interp is the passed in name. */
|
|
int
|
|
current_interp_named_p (const char *interp_name)
|
|
{
|
|
if (current_interpreter)
|
|
return (strcmp (current_interpreter->name, interp_name) == 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* The interpreter that is active while `interp_exec' is active, NULL
|
|
at all other times. */
|
|
static struct interp *command_interpreter;
|
|
|
|
/* The interpreter that was active when a command was executed.
|
|
Normally that'd always be CURRENT_INTERPRETER, except that MI's
|
|
-interpreter-exec command doesn't actually flip the current
|
|
interpreter when running its sub-command. The
|
|
`command_interpreter' global tracks when interp_exec is called
|
|
(IOW, when -interpreter-exec is called). If that is set, it is
|
|
INTERP in '-interpreter-exec INTERP "CMD"' or in 'interpreter-exec
|
|
INTERP "CMD". Otherwise, interp_exec isn't active, and so the
|
|
interpreter running the command is the current interpreter. */
|
|
|
|
struct interp *
|
|
command_interp (void)
|
|
{
|
|
if (command_interpreter != NULL)
|
|
return command_interpreter;
|
|
else
|
|
return current_interpreter;
|
|
}
|
|
|
|
/* Run the current command interpreter's main loop. */
|
|
void
|
|
current_interp_command_loop (void)
|
|
{
|
|
gdb_assert (current_interpreter != NULL);
|
|
|
|
current_interpreter->procs->command_loop_proc (current_interpreter->data);
|
|
}
|
|
|
|
int
|
|
interp_quiet_p (struct interp *interp)
|
|
{
|
|
if (interp != NULL)
|
|
return interp->quiet_p;
|
|
else
|
|
return current_interpreter->quiet_p;
|
|
}
|
|
|
|
static int
|
|
interp_set_quiet (struct interp *interp, int quiet)
|
|
{
|
|
int old_val = interp->quiet_p;
|
|
|
|
interp->quiet_p = quiet;
|
|
return old_val;
|
|
}
|
|
|
|
/* interp_exec - This executes COMMAND_STR in the current
|
|
interpreter. */
|
|
|
|
struct gdb_exception
|
|
interp_exec (struct interp *interp, const char *command_str)
|
|
{
|
|
struct gdb_exception ex;
|
|
struct interp *save_command_interp;
|
|
|
|
gdb_assert (interp->procs->exec_proc != NULL);
|
|
|
|
/* See `command_interp' for why we do this. */
|
|
save_command_interp = command_interpreter;
|
|
command_interpreter = interp;
|
|
|
|
ex = interp->procs->exec_proc (interp->data, command_str);
|
|
|
|
command_interpreter = save_command_interp;
|
|
|
|
return ex;
|
|
}
|
|
|
|
/* A convenience routine that nulls out all the common command hooks.
|
|
Use it when removing your interpreter in its suspend proc. */
|
|
void
|
|
clear_interpreter_hooks (void)
|
|
{
|
|
deprecated_init_ui_hook = 0;
|
|
deprecated_print_frame_info_listing_hook = 0;
|
|
/*print_frame_more_info_hook = 0; */
|
|
deprecated_query_hook = 0;
|
|
deprecated_warning_hook = 0;
|
|
deprecated_interactive_hook = 0;
|
|
deprecated_readline_begin_hook = 0;
|
|
deprecated_readline_hook = 0;
|
|
deprecated_readline_end_hook = 0;
|
|
deprecated_register_changed_hook = 0;
|
|
deprecated_context_hook = 0;
|
|
deprecated_target_wait_hook = 0;
|
|
deprecated_call_command_hook = 0;
|
|
deprecated_error_begin_hook = 0;
|
|
}
|
|
|
|
static void
|
|
interpreter_exec_cmd (char *args, int from_tty)
|
|
{
|
|
struct interp *old_interp, *interp_to_use;
|
|
char **prules = NULL;
|
|
char **trule = NULL;
|
|
unsigned int nrules;
|
|
unsigned int i;
|
|
int old_quiet, use_quiet;
|
|
struct cleanup *cleanup;
|
|
|
|
if (args == NULL)
|
|
error_no_arg (_("interpreter-exec command"));
|
|
|
|
prules = gdb_buildargv (args);
|
|
cleanup = make_cleanup_freeargv (prules);
|
|
|
|
nrules = 0;
|
|
for (trule = prules; *trule != NULL; trule++)
|
|
nrules++;
|
|
|
|
if (nrules < 2)
|
|
error (_("usage: interpreter-exec <interpreter> [ <command> ... ]"));
|
|
|
|
old_interp = current_interpreter;
|
|
|
|
interp_to_use = interp_lookup (prules[0]);
|
|
if (interp_to_use == NULL)
|
|
error (_("Could not find interpreter \"%s\"."), prules[0]);
|
|
|
|
/* Temporarily set interpreters quiet. */
|
|
old_quiet = interp_set_quiet (old_interp, 1);
|
|
use_quiet = interp_set_quiet (interp_to_use, 1);
|
|
|
|
if (!interp_set (interp_to_use, 0))
|
|
error (_("Could not switch to interpreter \"%s\"."), prules[0]);
|
|
|
|
for (i = 1; i < nrules; i++)
|
|
{
|
|
struct gdb_exception e = interp_exec (interp_to_use, prules[i]);
|
|
|
|
if (e.reason < 0)
|
|
{
|
|
interp_set (old_interp, 0);
|
|
interp_set_quiet (interp_to_use, use_quiet);
|
|
interp_set_quiet (old_interp, old_quiet);
|
|
error (_("error in command: \"%s\"."), prules[i]);
|
|
}
|
|
}
|
|
|
|
interp_set (old_interp, 0);
|
|
interp_set_quiet (interp_to_use, use_quiet);
|
|
interp_set_quiet (old_interp, old_quiet);
|
|
|
|
do_cleanups (cleanup);
|
|
}
|
|
|
|
/* List the possible interpreters which could complete the given text. */
|
|
static VEC (char_ptr) *
|
|
interpreter_completer (struct cmd_list_element *ignore,
|
|
const char *text, const char *word)
|
|
{
|
|
int textlen;
|
|
VEC (char_ptr) *matches = NULL;
|
|
struct interp *interp;
|
|
|
|
textlen = strlen (text);
|
|
for (interp = interp_list; interp != NULL; interp = interp->next)
|
|
{
|
|
if (strncmp (interp->name, text, textlen) == 0)
|
|
{
|
|
char *match;
|
|
|
|
match = (char *) xmalloc (strlen (word) + strlen (interp->name) + 1);
|
|
if (word == text)
|
|
strcpy (match, interp->name);
|
|
else if (word > text)
|
|
{
|
|
/* Return some portion of interp->name. */
|
|
strcpy (match, interp->name + (word - text));
|
|
}
|
|
else
|
|
{
|
|
/* Return some of text plus interp->name. */
|
|
strncpy (match, word, text - word);
|
|
match[text - word] = '\0';
|
|
strcat (match, interp->name);
|
|
}
|
|
VEC_safe_push (char_ptr, matches, match);
|
|
}
|
|
}
|
|
|
|
return matches;
|
|
}
|
|
|
|
struct interp *
|
|
top_level_interpreter (void)
|
|
{
|
|
return top_level_interpreter_ptr;
|
|
}
|
|
|
|
void *
|
|
top_level_interpreter_data (void)
|
|
{
|
|
gdb_assert (top_level_interpreter_ptr);
|
|
return top_level_interpreter_ptr->data;
|
|
}
|
|
|
|
/* This just adds the "interpreter-exec" command. */
|
|
void
|
|
_initialize_interpreter (void)
|
|
{
|
|
struct cmd_list_element *c;
|
|
|
|
c = add_cmd ("interpreter-exec", class_support,
|
|
interpreter_exec_cmd, _("\
|
|
Execute a command in an interpreter. It takes two arguments:\n\
|
|
The first argument is the name of the interpreter to use.\n\
|
|
The second argument is the command to execute.\n"), &cmdlist);
|
|
set_cmd_completer (c, interpreter_completer);
|
|
}
|