1 /* MI Command Set - stack commands.
2 Copyright (C) 2000, 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, 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 (argc > 2 || argc == 1)
51 error (_("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]"));
55 frame_low = atoi (argv[0]);
56 frame_high = atoi (argv[1]);
60 /* Called with no arguments, it means we want the whole
66 /* Let's position fi on the frame at which to start the
67 display. Could be the innermost frame if the whole stack needs
68 displaying, or if frame_low is 0. */
69 for (i = 0, fi = get_current_frame ();
71 i++, fi = get_prev_frame (fi));
74 error (_("mi_cmd_stack_list_frames: Not enough frames in stack."));
76 cleanup_stack = make_cleanup_ui_out_list_begin_end (uiout, "stack");
78 /* Now let;s print the frames up to frame_high, or until there are
79 frames in the stack. */
81 fi && (i <= frame_high || frame_high == -1);
82 i++, fi = get_prev_frame (fi))
85 /* Print the location and the address always, even for level 0.
86 args == 0: don't print the arguments. */
87 print_frame_info (fi, 1, LOC_AND_ADDRESS, 0 /* args */ );
90 do_cleanups (cleanup_stack);
92 error (_("mi_cmd_stack_list_frames: Not enough frames in stack."));
98 mi_cmd_stack_info_depth (char *command, char **argv, int argc)
102 struct frame_info *fi;
105 error (_("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]"));
108 frame_high = atoi (argv[0]);
110 /* Called with no arguments, it means we want the real depth of
114 for (i = 0, fi = get_current_frame ();
115 fi && (i < frame_high || frame_high == -1);
116 i++, fi = get_prev_frame (fi))
119 ui_out_field_int (uiout, "depth", i);
124 /* Print a list of the locals for the current frame. With argument of
125 0, print only the names, with argument of 1 print also the
128 mi_cmd_stack_list_locals (char *command, char **argv, int argc)
130 struct frame_info *frame;
131 enum print_values print_values;
134 error (_("mi_cmd_stack_list_locals: Usage: PRINT_VALUES"));
136 frame = get_selected_frame (NULL);
138 if (strcmp (argv[0], "0") == 0
139 || strcmp (argv[0], mi_no_values) == 0)
140 print_values = PRINT_NO_VALUES;
141 else if (strcmp (argv[0], "1") == 0
142 || strcmp (argv[0], mi_all_values) == 0)
143 print_values = PRINT_ALL_VALUES;
144 else if (strcmp (argv[0], "2") == 0
145 || strcmp (argv[0], mi_simple_values) == 0)
146 print_values = PRINT_SIMPLE_VALUES;
148 error (_("Unknown value for PRINT_VALUES: must be: \
149 0 or \"%s\", 1 or \"%s\", 2 or \"%s\""),
150 mi_no_values, mi_all_values, mi_simple_values);
151 list_args_or_locals (1, print_values, frame);
155 /* Print a list of the arguments for the current frame. With argument
156 of 0, print only the names, with argument of 1 print also the
159 mi_cmd_stack_list_args (char *command, char **argv, int argc)
164 struct frame_info *fi;
165 struct cleanup *cleanup_stack_args;
167 if (argc < 1 || argc > 3 || argc == 2)
168 error (_("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]"));
172 frame_low = atoi (argv[1]);
173 frame_high = atoi (argv[2]);
177 /* Called with no arguments, it means we want args for the whole
183 /* Let's position fi on the frame at which to start the
184 display. Could be the innermost frame if the whole stack needs
185 displaying, or if frame_low is 0. */
186 for (i = 0, fi = get_current_frame ();
188 i++, fi = get_prev_frame (fi));
191 error (_("mi_cmd_stack_list_args: Not enough frames in stack."));
193 cleanup_stack_args = make_cleanup_ui_out_list_begin_end (uiout, "stack-args");
195 /* Now let's print the frames up to frame_high, or until there are
196 frames in the stack. */
198 fi && (i <= frame_high || frame_high == -1);
199 i++, fi = get_prev_frame (fi))
201 struct cleanup *cleanup_frame;
203 cleanup_frame = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
204 ui_out_field_int (uiout, "level", i);
205 list_args_or_locals (0, atoi (argv[0]), fi);
206 do_cleanups (cleanup_frame);
209 do_cleanups (cleanup_stack_args);
211 error (_("mi_cmd_stack_list_args: Not enough frames in stack."));
216 /* Print a list of the locals or the arguments for the currently
217 selected frame. If the argument passed is 0, printonly the names
218 of the variables, if an argument of 1 is passed, print the values
221 list_args_or_locals (int locals, int values, struct frame_info *fi)
225 struct dict_iterator iter;
227 struct cleanup *cleanup_list;
228 static struct ui_stream *stb = NULL;
231 stb = ui_out_stream_new (uiout);
233 block = get_frame_block (fi, 0);
235 cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, locals ? "locals" : "args");
239 ALL_BLOCK_SYMBOLS (block, iter, sym)
243 switch (SYMBOL_CLASS (sym))
246 case LOC_UNDEF: /* catches errors */
247 case LOC_CONST: /* constant */
248 case LOC_TYPEDEF: /* local typedef */
249 case LOC_LABEL: /* local label */
250 case LOC_BLOCK: /* local function */
251 case LOC_CONST_BYTES: /* loc. byte seq. */
252 case LOC_UNRESOLVED: /* unresolved static */
253 case LOC_OPTIMIZED_OUT: /* optimized out */
257 case LOC_ARG: /* argument */
258 case LOC_REF_ARG: /* reference arg */
259 case LOC_REGPARM: /* register arg */
260 case LOC_REGPARM_ADDR: /* indirect register arg */
261 case LOC_LOCAL_ARG: /* stack arg */
262 case LOC_BASEREG_ARG: /* basereg arg */
263 case LOC_COMPUTED_ARG: /* arg with computed location */
268 case LOC_LOCAL: /* stack local */
269 case LOC_BASEREG: /* basereg local */
270 case LOC_STATIC: /* static */
271 case LOC_REGISTER: /* register */
272 case LOC_COMPUTED: /* computed location */
279 struct cleanup *cleanup_tuple = NULL;
281 if (values != PRINT_NO_VALUES)
283 make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
284 ui_out_field_string (uiout, "name", SYMBOL_PRINT_NAME (sym));
287 sym2 = lookup_symbol (SYMBOL_NATURAL_NAME (sym),
290 (struct symtab **) NULL);
295 case PRINT_SIMPLE_VALUES:
296 type = check_typedef (sym2->type);
297 type_print (sym2->type, "", stb->stream, -1);
298 ui_out_field_stream (uiout, "type", stb);
299 if (TYPE_CODE (type) != TYPE_CODE_ARRAY
300 && TYPE_CODE (type) != TYPE_CODE_STRUCT
301 && TYPE_CODE (type) != TYPE_CODE_UNION)
303 print_variable_value (sym2, fi, stb->stream);
304 ui_out_field_stream (uiout, "value", stb);
306 do_cleanups (cleanup_tuple);
308 case PRINT_ALL_VALUES:
309 print_variable_value (sym2, fi, stb->stream);
310 ui_out_field_stream (uiout, "value", stb);
311 do_cleanups (cleanup_tuple);
316 if (BLOCK_FUNCTION (block))
319 block = BLOCK_SUPERBLOCK (block);
321 do_cleanups (cleanup_list);
322 ui_out_stream_delete (stb);
326 mi_cmd_stack_select_frame (char *command, char **argv, int argc)
328 if (argc == 0 || argc > 1)
329 error (_("mi_cmd_stack_select_frame: Usage: FRAME_SPEC"));
331 select_frame_command (argv[0], 1 /* not used */ );
336 mi_cmd_stack_info_frame (char *command, char **argv, int argc)
339 error (_("mi_cmd_stack_info_frame: No arguments required"));
341 print_frame_info (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 0);