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 */ );