1 /* MI Command Set - stack commands.
2 Copyright 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
3 Contributed by Cygnus Solutions (a Red Hat company).
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
31 #include "dictionary.h"
32 #include "gdb_string.h"
34 static void list_args_or_locals (int locals
, int values
, struct frame_info
*fi
);
36 /* Print a list of the stack frames. Args can be none, in which case
37 we want to print the whole backtrace, or a pair of numbers
38 specifying the frame numbers at which to start and stop the
39 display. If the two numbers are equal, a single frame will be
42 mi_cmd_stack_list_frames (char *command
, char **argv
, int argc
)
47 struct cleanup
*cleanup_stack
;
48 struct frame_info
*fi
;
50 if (!target_has_stack
)
51 error ("mi_cmd_stack_list_frames: No stack.");
53 if (argc
> 2 || argc
== 1)
54 error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
58 frame_low
= atoi (argv
[0]);
59 frame_high
= atoi (argv
[1]);
63 /* Called with no arguments, it means we want the whole
69 /* Let's position fi on the frame at which to start the
70 display. Could be the innermost frame if the whole stack needs
71 displaying, or if frame_low is 0. */
72 for (i
= 0, fi
= get_current_frame ();
74 i
++, fi
= get_prev_frame (fi
));
77 error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
79 cleanup_stack
= make_cleanup_ui_out_list_begin_end (uiout
, "stack");
81 /* Now let;s print the frames up to frame_high, or until there are
82 frames in the stack. */
84 fi
&& (i
<= frame_high
|| frame_high
== -1);
85 i
++, fi
= get_prev_frame (fi
))
88 /* Print the location and the address always, even for level 0.
89 args == 0: don't print the arguments. */
90 print_frame_info (fi
, 1, LOC_AND_ADDRESS
, 0 /* args */ );
93 do_cleanups (cleanup_stack
);
95 error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
101 mi_cmd_stack_info_depth (char *command
, char **argv
, int argc
)
105 struct frame_info
*fi
;
107 if (!target_has_stack
)
108 error ("mi_cmd_stack_info_depth: No stack.");
111 error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
114 frame_high
= atoi (argv
[0]);
116 /* Called with no arguments, it means we want the real depth of
120 for (i
= 0, fi
= get_current_frame ();
121 fi
&& (i
< frame_high
|| frame_high
== -1);
122 i
++, fi
= get_prev_frame (fi
))
125 ui_out_field_int (uiout
, "depth", i
);
130 /* Print a list of the locals for the current frame. With argument of
131 0, print only the names, with argument of 1 print also the
134 mi_cmd_stack_list_locals (char *command
, char **argv
, int argc
)
136 struct frame_info
*frame
;
137 enum print_values print_values
;
140 error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
142 frame
= get_selected_frame ();
144 if (strcmp (argv
[0], "0") == 0
145 || strcmp (argv
[0], "--no-values") == 0)
146 print_values
= PRINT_NO_VALUES
;
147 else if (strcmp (argv
[0], "1") == 0
148 || strcmp (argv
[0], "--all-values") == 0)
149 print_values
= PRINT_ALL_VALUES
;
150 else if (strcmp (argv
[0], "2") == 0
151 || strcmp (argv
[0], "--simple-values") == 0)
152 print_values
= PRINT_SIMPLE_VALUES
;
154 error ("Unknown value for PRINT_VALUES: must be: 0 or \"--no-values\", 1 or \"--all-values\", 2 or \"--simple-values\"");
155 list_args_or_locals (1, print_values
, frame
);
159 /* Print a list of the arguments for the current frame. With argument
160 of 0, print only the names, with argument of 1 print also the
163 mi_cmd_stack_list_args (char *command
, char **argv
, int argc
)
168 struct frame_info
*fi
;
169 struct cleanup
*cleanup_stack_args
;
171 if (argc
< 1 || argc
> 3 || argc
== 2)
172 error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
176 frame_low
= atoi (argv
[1]);
177 frame_high
= atoi (argv
[2]);
181 /* Called with no arguments, it means we want args for the whole
187 /* Let's position fi on the frame at which to start the
188 display. Could be the innermost frame if the whole stack needs
189 displaying, or if frame_low is 0. */
190 for (i
= 0, fi
= get_current_frame ();
192 i
++, fi
= get_prev_frame (fi
));
195 error ("mi_cmd_stack_list_args: Not enough frames in stack.");
197 cleanup_stack_args
= make_cleanup_ui_out_list_begin_end (uiout
, "stack-args");
199 /* Now let's print the frames up to frame_high, or until there are
200 frames in the stack. */
202 fi
&& (i
<= frame_high
|| frame_high
== -1);
203 i
++, fi
= get_prev_frame (fi
))
205 struct cleanup
*cleanup_frame
;
207 cleanup_frame
= make_cleanup_ui_out_tuple_begin_end (uiout
, "frame");
208 ui_out_field_int (uiout
, "level", i
);
209 list_args_or_locals (0, atoi (argv
[0]), fi
);
210 do_cleanups (cleanup_frame
);
213 do_cleanups (cleanup_stack_args
);
215 error ("mi_cmd_stack_list_args: Not enough frames in stack.");
220 /* Print a list of the locals or the arguments for the currently
221 selected frame. If the argument passed is 0, printonly the names
222 of the variables, if an argument of 1 is passed, print the values
225 list_args_or_locals (int locals
, int values
, struct frame_info
*fi
)
229 struct dict_iterator iter
;
231 struct cleanup
*cleanup_list
;
232 static struct ui_stream
*stb
= NULL
;
235 stb
= ui_out_stream_new (uiout
);
237 block
= get_frame_block (fi
, 0);
239 cleanup_list
= make_cleanup_ui_out_list_begin_end (uiout
, locals
? "locals" : "args");
243 ALL_BLOCK_SYMBOLS (block
, iter
, sym
)
247 switch (SYMBOL_CLASS (sym
))
250 case LOC_UNDEF
: /* catches errors */
251 case LOC_CONST
: /* constant */
252 case LOC_TYPEDEF
: /* local typedef */
253 case LOC_LABEL
: /* local label */
254 case LOC_BLOCK
: /* local function */
255 case LOC_CONST_BYTES
: /* loc. byte seq. */
256 case LOC_UNRESOLVED
: /* unresolved static */
257 case LOC_OPTIMIZED_OUT
: /* optimized out */
261 case LOC_ARG
: /* argument */
262 case LOC_REF_ARG
: /* reference arg */
263 case LOC_REGPARM
: /* register arg */
264 case LOC_REGPARM_ADDR
: /* indirect register arg */
265 case LOC_LOCAL_ARG
: /* stack arg */
266 case LOC_BASEREG_ARG
: /* basereg arg */
267 case LOC_COMPUTED_ARG
: /* arg with computed location */
272 case LOC_LOCAL
: /* stack local */
273 case LOC_BASEREG
: /* basereg local */
274 case LOC_STATIC
: /* static */
275 case LOC_REGISTER
: /* register */
276 case LOC_COMPUTED
: /* computed location */
283 struct cleanup
*cleanup_tuple
= NULL
;
285 if (values
!= PRINT_NO_VALUES
)
287 make_cleanup_ui_out_tuple_begin_end (uiout
, NULL
);
288 ui_out_field_string (uiout
, "name", SYMBOL_PRINT_NAME (sym
));
291 sym2
= lookup_symbol (SYMBOL_NATURAL_NAME (sym
),
294 (struct symtab
**) NULL
);
299 case PRINT_SIMPLE_VALUES
:
300 type
= check_typedef (sym2
->type
);
301 type_print (sym2
->type
, "", stb
->stream
, -1);
302 ui_out_field_stream (uiout
, "type", stb
);
303 if (TYPE_CODE (type
) != TYPE_CODE_ARRAY
304 && TYPE_CODE (type
) != TYPE_CODE_STRUCT
305 && TYPE_CODE (type
) != TYPE_CODE_UNION
)
307 print_variable_value (sym2
, fi
, stb
->stream
);
308 ui_out_field_stream (uiout
, "value", stb
);
310 do_cleanups (cleanup_tuple
);
312 case PRINT_ALL_VALUES
:
313 print_variable_value (sym2
, fi
, stb
->stream
);
314 ui_out_field_stream (uiout
, "value", stb
);
315 do_cleanups (cleanup_tuple
);
320 if (BLOCK_FUNCTION (block
))
323 block
= BLOCK_SUPERBLOCK (block
);
325 do_cleanups (cleanup_list
);
326 ui_out_stream_delete (stb
);
330 mi_cmd_stack_select_frame (char *command
, char **argv
, int argc
)
332 if (!target_has_stack
)
333 error ("mi_cmd_stack_select_frame: No stack.");
336 error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
338 /* with no args, don't change frame */
340 select_frame_command (0, 1 /* not used */ );
342 select_frame_command (argv
[0], 1 /* not used */ );