1 /* MI Command Set - stack commands.
2 Copyright 2000, 2002, 2003 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"
33 static void list_args_or_locals (int locals
, int values
, struct frame_info
*fi
);
35 /* Print a list of the stack frames. Args can be none, in which case
36 we want to print the whole backtrace, or a pair of numbers
37 specifying the frame numbers at which to start and stop the
38 display. If the two numbers are equal, a single frame will be
41 mi_cmd_stack_list_frames (char *command
, char **argv
, int argc
)
46 struct cleanup
*cleanup_stack
;
47 struct frame_info
*fi
;
49 if (!target_has_stack
)
50 error ("mi_cmd_stack_list_frames: No stack.");
52 if (argc
> 2 || argc
== 1)
53 error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
57 frame_low
= atoi (argv
[0]);
58 frame_high
= atoi (argv
[1]);
62 /* Called with no arguments, it means we want the whole
68 /* Let's position fi on the frame at which to start the
69 display. Could be the innermost frame if the whole stack needs
70 displaying, or if frame_low is 0. */
71 for (i
= 0, fi
= get_current_frame ();
73 i
++, fi
= get_prev_frame (fi
));
76 error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
78 cleanup_stack
= make_cleanup_ui_out_list_begin_end (uiout
, "stack");
80 /* Now let;s print the frames up to frame_high, or until there are
81 frames in the stack. */
83 fi
&& (i
<= frame_high
|| frame_high
== -1);
84 i
++, fi
= get_prev_frame (fi
))
87 /* level == i: always print the level 'i'
88 source == LOC_AND_ADDRESS: print the location and the address
89 always, even for level 0.
90 args == 0: don't print the arguments. */
91 print_frame_info (fi
/* frame info */ ,
93 LOC_AND_ADDRESS
/* source */ ,
97 do_cleanups (cleanup_stack
);
99 error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
105 mi_cmd_stack_info_depth (char *command
, char **argv
, int argc
)
109 struct frame_info
*fi
;
111 if (!target_has_stack
)
112 error ("mi_cmd_stack_info_depth: No stack.");
115 error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
118 frame_high
= atoi (argv
[0]);
120 /* Called with no arguments, it means we want the real depth of
124 for (i
= 0, fi
= get_current_frame ();
125 fi
&& (i
< frame_high
|| frame_high
== -1);
126 i
++, fi
= get_prev_frame (fi
))
129 ui_out_field_int (uiout
, "depth", i
);
134 /* Print a list of the locals for the current frame. With argument of
135 0, print only the names, with argument of 1 print also the
138 mi_cmd_stack_list_locals (char *command
, char **argv
, int argc
)
141 error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
143 list_args_or_locals (1, atoi (argv
[0]), deprecated_selected_frame
);
147 /* Print a list of the arguments for the current frame. With argument
148 of 0, print only the names, with argument of 1 print also the
151 mi_cmd_stack_list_args (char *command
, char **argv
, int argc
)
156 struct frame_info
*fi
;
157 struct cleanup
*cleanup_stack_args
;
159 if (argc
< 1 || argc
> 3 || argc
== 2)
160 error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
164 frame_low
= atoi (argv
[1]);
165 frame_high
= atoi (argv
[2]);
169 /* Called with no arguments, it means we want args for the whole
175 /* Let's position fi on the frame at which to start the
176 display. Could be the innermost frame if the whole stack needs
177 displaying, or if frame_low is 0. */
178 for (i
= 0, fi
= get_current_frame ();
180 i
++, fi
= get_prev_frame (fi
));
183 error ("mi_cmd_stack_list_args: Not enough frames in stack.");
185 cleanup_stack_args
= make_cleanup_ui_out_list_begin_end (uiout
, "stack-args");
187 /* Now let's print the frames up to frame_high, or until there are
188 frames in the stack. */
190 fi
&& (i
<= frame_high
|| frame_high
== -1);
191 i
++, fi
= get_prev_frame (fi
))
193 struct cleanup
*cleanup_frame
;
195 cleanup_frame
= make_cleanup_ui_out_tuple_begin_end (uiout
, "frame");
196 ui_out_field_int (uiout
, "level", i
);
197 list_args_or_locals (0, atoi (argv
[0]), fi
);
198 do_cleanups (cleanup_frame
);
201 do_cleanups (cleanup_stack_args
);
203 error ("mi_cmd_stack_list_args: Not enough frames in stack.");
208 /* Print a list of the locals or the arguments for the currently
209 selected frame. If the argument passed is 0, printonly the names
210 of the variables, if an argument of 1 is passed, print the values
213 list_args_or_locals (int locals
, int values
, struct frame_info
*fi
)
217 struct dict_iterator iter
;
219 struct cleanup
*cleanup_list
;
220 static struct ui_stream
*stb
= NULL
;
222 stb
= ui_out_stream_new (uiout
);
224 block
= get_frame_block (fi
, 0);
226 cleanup_list
= make_cleanup_ui_out_list_begin_end (uiout
, locals
? "locals" : "args");
230 ALL_BLOCK_SYMBOLS (block
, iter
, sym
)
234 switch (SYMBOL_CLASS (sym
))
237 case LOC_UNDEF
: /* catches errors */
238 case LOC_CONST
: /* constant */
239 case LOC_TYPEDEF
: /* local typedef */
240 case LOC_LABEL
: /* local label */
241 case LOC_BLOCK
: /* local function */
242 case LOC_CONST_BYTES
: /* loc. byte seq. */
243 case LOC_UNRESOLVED
: /* unresolved static */
244 case LOC_OPTIMIZED_OUT
: /* optimized out */
248 case LOC_ARG
: /* argument */
249 case LOC_REF_ARG
: /* reference arg */
250 case LOC_REGPARM
: /* register arg */
251 case LOC_REGPARM_ADDR
: /* indirect register arg */
252 case LOC_LOCAL_ARG
: /* stack arg */
253 case LOC_BASEREG_ARG
: /* basereg arg */
254 case LOC_COMPUTED_ARG
: /* arg with computed location */
259 case LOC_LOCAL
: /* stack local */
260 case LOC_BASEREG
: /* basereg local */
261 case LOC_STATIC
: /* static */
262 case LOC_REGISTER
: /* register */
263 case LOC_COMPUTED
: /* computed location */
270 struct cleanup
*cleanup_tuple
= NULL
;
273 make_cleanup_ui_out_tuple_begin_end (uiout
, NULL
);
274 ui_out_field_string (uiout
, "name", DEPRECATED_SYMBOL_NAME (sym
));
280 sym2
= lookup_symbol (DEPRECATED_SYMBOL_NAME (sym
),
283 (struct symtab
**) NULL
);
286 print_variable_value (sym2
, fi
, stb
->stream
);
287 ui_out_field_stream (uiout
, "value", stb
);
288 do_cleanups (cleanup_tuple
);
292 if (BLOCK_FUNCTION (block
))
295 block
= BLOCK_SUPERBLOCK (block
);
297 do_cleanups (cleanup_list
);
298 ui_out_stream_delete (stb
);
302 mi_cmd_stack_select_frame (char *command
, char **argv
, int argc
)
304 if (!target_has_stack
)
305 error ("mi_cmd_stack_select_frame: No stack.");
308 error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
310 /* with no args, don't change frame */
312 select_frame_command (0, 1 /* not used */ );
314 select_frame_command (argv
[0], 1 /* not used */ );