/* MI Command Set - stack commands.
- Copyright (C) 2000, Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002-2005, 2007-2012 Free Software Foundation,
+ Inc.
Contributed by Cygnus Solutions (a Red Hat company).
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "target.h"
#include "value.h"
#include "mi-cmds.h"
#include "ui-out.h"
+#include "symtab.h"
+#include "block.h"
+#include "stack.h"
+#include "dictionary.h"
+#include "gdb_string.h"
+#include "language.h"
+#include "valprint.h"
+#include "exceptions.h"
-#ifdef UI_OUT
-/* FIXME: these should go in some .h file but stack.c doesn't have a
- corresponding .h file. These wrappers will be obsolete anyway, once
- we pull the plug on the sanitization. */
-extern void select_frame_command_wrapper (char *, int);
-#endif
+enum what_to_list { locals, arguments, all };
-static void list_args_or_locals (int locals, int values, struct frame_info *fi);
+static void list_args_or_locals (enum what_to_list what,
+ enum print_values values,
+ struct frame_info *fi);
/* Print a list of the stack frames. Args can be none, in which case
we want to print the whole backtrace, or a pair of numbers
specifying the frame numbers at which to start and stop the
display. If the two numbers are equal, a single frame will be
displayed. */
-enum mi_cmd_result
+void
mi_cmd_stack_list_frames (char *command, char **argv, int argc)
{
int frame_low;
int frame_high;
int i;
+ struct cleanup *cleanup_stack;
struct frame_info *fi;
- if (!target_has_stack)
- error ("mi_cmd_stack_list_frames: No stack.");
-
if (argc > 2 || argc == 1)
- error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
+ error (_("-stack-list-frames: Usage: [FRAME_LOW FRAME_HIGH]"));
if (argc == 2)
{
i++, fi = get_prev_frame (fi));
if (fi == NULL)
- error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
+ error (_("-stack-list-frames: Not enough frames in stack."));
- ui_out_list_begin (uiout, "stack");
+ cleanup_stack = make_cleanup_ui_out_list_begin_end (current_uiout, "stack");
/* Now let;s print the frames up to frame_high, or until there are
frames in the stack. */
i++, fi = get_prev_frame (fi))
{
QUIT;
- /* level == i: always print the level 'i'
- source == LOC_AND_ADDRESS: print the location and the address
- always, even for level 0.
+ /* Print the location and the address always, even for level 0.
args == 0: don't print the arguments. */
- print_frame_info (fi /* frame info */ ,
- i /* level */ ,
- LOC_AND_ADDRESS /* source */ ,
- 0 /* args */ );
+ print_frame_info (fi, 1, LOC_AND_ADDRESS, 0 /* args */ );
}
- ui_out_list_end (uiout);
- if (i < frame_high)
- error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
-
- return MI_CMD_DONE;
+ do_cleanups (cleanup_stack);
}
-enum mi_cmd_result
+void
mi_cmd_stack_info_depth (char *command, char **argv, int argc)
{
int frame_high;
int i;
struct frame_info *fi;
- if (!target_has_stack)
- error ("mi_cmd_stack_info_depth: No stack.");
-
if (argc > 1)
- error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
+ error (_("-stack-info-depth: Usage: [MAX_DEPTH]"));
if (argc == 1)
frame_high = atoi (argv[0]);
i++, fi = get_prev_frame (fi))
QUIT;
- ui_out_field_int (uiout, "depth", i);
+ ui_out_field_int (current_uiout, "depth", i);
+}
- return MI_CMD_DONE;
+static enum print_values
+parse_print_values (char *name)
+{
+ if (strcmp (name, "0") == 0
+ || strcmp (name, mi_no_values) == 0)
+ return PRINT_NO_VALUES;
+ else if (strcmp (name, "1") == 0
+ || strcmp (name, mi_all_values) == 0)
+ return PRINT_ALL_VALUES;
+ else if (strcmp (name, "2") == 0
+ || strcmp (name, mi_simple_values) == 0)
+ return PRINT_SIMPLE_VALUES;
+ else
+ error (_("Unknown value for PRINT_VALUES: must be: \
+0 or \"%s\", 1 or \"%s\", 2 or \"%s\""),
+ mi_no_values, mi_all_values, mi_simple_values);
}
-/* Print a list of the locals for the current frame. With argument of
+/* Print a list of the locals for the current frame. With argument of
0, print only the names, with argument of 1 print also the
values. */
-enum mi_cmd_result
+void
mi_cmd_stack_list_locals (char *command, char **argv, int argc)
{
+ struct frame_info *frame;
+
if (argc != 1)
- error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
+ error (_("-stack-list-locals: Usage: PRINT_VALUES"));
+
+ frame = get_selected_frame (NULL);
- list_args_or_locals (1, atoi (argv[0]), selected_frame);
- return MI_CMD_DONE;
+ list_args_or_locals (locals, parse_print_values (argv[0]), frame);
}
-/* Print a list of the arguments for the current frame. With argument
+/* Print a list of the arguments for the current frame. With argument
of 0, print only the names, with argument of 1 print also the
values. */
-enum mi_cmd_result
+void
mi_cmd_stack_list_args (char *command, char **argv, int argc)
{
int frame_low;
int frame_high;
int i;
struct frame_info *fi;
+ struct cleanup *cleanup_stack_args;
+ enum print_values print_values;
+ struct ui_out *uiout = current_uiout;
if (argc < 1 || argc > 3 || argc == 2)
- error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
+ error (_("-stack-list-arguments: Usage: "
+ "PRINT_VALUES [FRAME_LOW FRAME_HIGH]"));
if (argc == 3)
{
frame_high = -1;
}
+ print_values = parse_print_values (argv[0]);
+
/* Let's position fi on the frame at which to start the
display. Could be the innermost frame if the whole stack needs
displaying, or if frame_low is 0. */
i++, fi = get_prev_frame (fi));
if (fi == NULL)
- error ("mi_cmd_stack_list_args: Not enough frames in stack.");
+ error (_("-stack-list-arguments: Not enough frames in stack."));
- ui_out_list_begin (uiout, "stack-args");
+ cleanup_stack_args
+ = make_cleanup_ui_out_list_begin_end (uiout, "stack-args");
/* Now let's print the frames up to frame_high, or until there are
frames in the stack. */
fi && (i <= frame_high || frame_high == -1);
i++, fi = get_prev_frame (fi))
{
+ struct cleanup *cleanup_frame;
+
QUIT;
- ui_out_list_begin (uiout, "frame");
+ cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
ui_out_field_int (uiout, "level", i);
- list_args_or_locals (0, atoi (argv[0]), fi);
- ui_out_list_end (uiout);
+ list_args_or_locals (arguments, print_values, fi);
+ do_cleanups (cleanup_frame);
}
- ui_out_list_end (uiout);
- if (i < frame_high)
- error ("mi_cmd_stack_list_args: Not enough frames in stack.");
+ do_cleanups (cleanup_stack_args);
+}
+
+/* Print a list of the local variables (including arguments) for the
+ current frame. ARGC must be 1 and ARGV[0] specify if only the names,
+ or both names and values of the variables must be printed. See
+ parse_print_value for possible values. */
+void
+mi_cmd_stack_list_variables (char *command, char **argv, int argc)
+{
+ struct frame_info *frame;
+
+ if (argc != 1)
+ error (_("Usage: PRINT_VALUES"));
+
+ frame = get_selected_frame (NULL);
- return MI_CMD_DONE;
+ list_args_or_locals (all, parse_print_values (argv[0]), frame);
+}
+
+/* Print single local or argument. ARG must be already read in. For WHAT and
+ VALUES see list_args_or_locals.
+
+ Errors are printed as if they would be the parameter value. Use zeroed ARG
+ iff it should not be printed accoring to VALUES. */
+
+static void
+list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
+ enum print_values values)
+{
+ struct cleanup *cleanup_tuple = NULL;
+ struct ui_out *uiout = current_uiout;
+ struct ui_stream *stb = ui_out_stream_new (uiout);
+
+ gdb_assert (!arg->val || !arg->error);
+ gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL
+ && arg->error == NULL)
+ || values == PRINT_SIMPLE_VALUES
+ || (values == PRINT_ALL_VALUES
+ && (arg->val != NULL || arg->error != NULL)));
+ gdb_assert (arg->entry_kind == print_entry_values_no
+ || (arg->entry_kind == print_entry_values_only
+ && (arg->val || arg->error)));
+
+ if (values != PRINT_NO_VALUES || what == all)
+ cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
+
+ fputs_filtered (SYMBOL_PRINT_NAME (arg->sym), stb->stream);
+ if (arg->entry_kind == print_entry_values_only)
+ fputs_filtered ("@entry", stb->stream);
+ ui_out_field_stream (uiout, "name", stb);
+
+ if (what == all && SYMBOL_IS_ARGUMENT (arg->sym))
+ ui_out_field_int (uiout, "arg", 1);
+
+ if (values == PRINT_SIMPLE_VALUES)
+ {
+ check_typedef (arg->sym->type);
+ type_print (arg->sym->type, "", stb->stream, -1);
+ ui_out_field_stream (uiout, "type", stb);
+ }
+
+ if (arg->val || arg->error)
+ {
+ volatile struct gdb_exception except;
+
+ if (arg->error)
+ except.message = arg->error;
+ else
+ {
+ /* TRY_CATCH has two statements, wrap it in a block. */
+
+ TRY_CATCH (except, RETURN_MASK_ERROR)
+ {
+ struct value_print_options opts;
+
+ get_raw_print_options (&opts);
+ opts.deref_ref = 1;
+ common_val_print (arg->val, stb->stream, 0, &opts,
+ language_def (SYMBOL_LANGUAGE (arg->sym)));
+ }
+ }
+ if (except.message)
+ fprintf_filtered (stb->stream, _("<error reading variable: %s>"),
+ except.message);
+ ui_out_field_stream (uiout, "value", stb);
+ }
+
+ ui_out_stream_delete (stb);
+ if (values != PRINT_NO_VALUES || what == all)
+ do_cleanups (cleanup_tuple);
}
/* Print a list of the locals or the arguments for the currently
of the variables, if an argument of 1 is passed, print the values
as well. */
static void
-list_args_or_locals (int locals, int values, struct frame_info *fi)
+list_args_or_locals (enum what_to_list what, enum print_values values,
+ struct frame_info *fi)
{
struct block *block;
struct symbol *sym;
- int i, nsyms;
- int print_me = 0;
- static struct ui_stream *stb = NULL;
+ struct dict_iterator iter;
+ struct cleanup *cleanup_list;
+ struct ui_stream *stb;
+ struct type *type;
+ char *name_of_result;
+ struct ui_out *uiout = current_uiout;
stb = ui_out_stream_new (uiout);
- block = get_frame_block (fi);
+ block = get_frame_block (fi, 0);
+
+ switch (what)
+ {
+ case locals:
+ name_of_result = "locals";
+ break;
+ case arguments:
+ name_of_result = "args";
+ break;
+ case all:
+ name_of_result = "variables";
+ break;
+ default:
+ internal_error (__FILE__, __LINE__,
+ "unexpected what_to_list: %d", (int) what);
+ }
- ui_out_list_begin (uiout, locals ? "locals" : "args");
+ cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, name_of_result);
while (block != 0)
{
- nsyms = BLOCK_NSYMS (block);
- for (i = 0; i < nsyms; i++)
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- sym = BLOCK_SYM (block, i);
+ int print_me = 0;
+
switch (SYMBOL_CLASS (sym))
{
default:
case LOC_ARG: /* argument */
case LOC_REF_ARG: /* reference arg */
- case LOC_REGPARM: /* register arg */
case LOC_REGPARM_ADDR: /* indirect register arg */
- case LOC_LOCAL_ARG: /* stack arg */
- case LOC_BASEREG_ARG: /* basereg arg */
- if (!locals)
- print_me = 1;
- break;
-
case LOC_LOCAL: /* stack local */
- case LOC_BASEREG: /* basereg local */
case LOC_STATIC: /* static */
case LOC_REGISTER: /* register */
- if (locals)
+ case LOC_COMPUTED: /* computed location */
+ if (what == all)
print_me = 1;
+ else if (what == locals)
+ print_me = !SYMBOL_IS_ARGUMENT (sym);
+ else
+ print_me = SYMBOL_IS_ARGUMENT (sym);
break;
}
if (print_me)
{
- if (values)
- ui_out_list_begin (uiout, NULL);
- ui_out_field_string (uiout, "name", SYMBOL_NAME (sym));
-
- if (values)
+ struct symbol *sym2;
+ struct frame_arg arg, entryarg;
+
+ if (SYMBOL_IS_ARGUMENT (sym))
+ sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
+ block, VAR_DOMAIN,
+ (int *) NULL);
+ else
+ sym2 = sym;
+ gdb_assert (sym2 != NULL);
+
+ memset (&arg, 0, sizeof (arg));
+ arg.sym = sym2;
+ arg.entry_kind = print_entry_values_no;
+ memset (&entryarg, 0, sizeof (entryarg));
+ entryarg.sym = sym2;
+ entryarg.entry_kind = print_entry_values_no;
+
+ switch (values)
{
- struct symbol *sym2;
- if (!locals)
- sym2 = lookup_symbol (SYMBOL_NAME (sym),
- block, VAR_NAMESPACE,
- (int *) NULL,
- (struct symtab **) NULL);
- else
- sym2 = sym;
- print_variable_value (sym2, fi, stb->stream);
- ui_out_field_stream (uiout, "value", stb);
- ui_out_list_end (uiout);
+ case PRINT_SIMPLE_VALUES:
+ type = check_typedef (sym2->type);
+ if (TYPE_CODE (type) != TYPE_CODE_ARRAY
+ && TYPE_CODE (type) != TYPE_CODE_STRUCT
+ && TYPE_CODE (type) != TYPE_CODE_UNION)
+ {
+ case PRINT_ALL_VALUES:
+ read_frame_arg (sym2, fi, &arg, &entryarg);
+ }
+ break;
}
+
+ if (arg.entry_kind != print_entry_values_only)
+ list_arg_or_local (&arg, what, values);
+ if (entryarg.entry_kind != print_entry_values_no)
+ list_arg_or_local (&entryarg, what, values);
+ xfree (arg.error);
+ xfree (entryarg.error);
}
}
if (BLOCK_FUNCTION (block))
else
block = BLOCK_SUPERBLOCK (block);
}
- ui_out_list_end (uiout);
+ do_cleanups (cleanup_list);
ui_out_stream_delete (stb);
}
-enum mi_cmd_result
+void
mi_cmd_stack_select_frame (char *command, char **argv, int argc)
{
-#ifdef UI_OUT
- if (!target_has_stack)
- error ("mi_cmd_stack_select_frame: No stack.");
+ if (argc == 0 || argc > 1)
+ error (_("-stack-select-frame: Usage: FRAME_SPEC"));
- if (argc > 1)
- error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
-
- /* with no args, don't change frame */
- if (argc == 0)
- select_frame_command_wrapper (0, 1 /* not used */ );
- else
- select_frame_command_wrapper (argv[0], 1 /* not used */ );
-#endif
- return MI_CMD_DONE;
+ select_frame_command (argv[0], 1 /* not used */ );
}
-/* Local variables: */
-/* change-log-default-name: "ChangeLog-mi" */
-/* End: */
+void
+mi_cmd_stack_info_frame (char *command, char **argv, int argc)
+{
+ if (argc > 0)
+ error (_("-stack-info-frame: No arguments required"));
+
+ print_frame_info (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 0);
+}
projects / external / binutils.git / blobdiff