/* MI Command Set - stack commands.
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/* MI Command Set - stack commands.
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Copyright (C) 2000, Free Software Foundation, Inc.
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Copyright (C) 2000, Free Software Foundation, Inc.
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Contributed by Cygnus Solutions (a Red Hat company).
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Contributed by Cygnus Solutions (a Red Hat company).
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "defs.h"
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#include "target.h"
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#include "target.h"
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#include "frame.h"
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#include "frame.h"
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#include "value.h"
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#include "value.h"
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#include "mi-cmds.h"
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#include "mi-cmds.h"
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#include "ui-out.h"
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#include "ui-out.h"
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#ifdef UI_OUT
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#ifdef UI_OUT
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/* FIXME: these should go in some .h file but stack.c doesn't have a
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/* FIXME: these should go in some .h file but stack.c doesn't have a
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corresponding .h file. These wrappers will be obsolete anyway, once
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corresponding .h file. These wrappers will be obsolete anyway, once
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we pull the plug on the sanitization. */
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we pull the plug on the sanitization. */
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extern void select_frame_command_wrapper (char *, int);
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extern void select_frame_command_wrapper (char *, int);
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#endif
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#endif
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static void list_args_or_locals (int locals, int values, struct frame_info *fi);
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static void list_args_or_locals (int locals, int values, struct frame_info *fi);
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/* Print a list of the stack frames. Args can be none, in which case
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/* Print a list of the stack frames. Args can be none, in which case
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we want to print the whole backtrace, or a pair of numbers
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we want to print the whole backtrace, or a pair of numbers
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specifying the frame numbers at which to start and stop the
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specifying the frame numbers at which to start and stop the
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display. If the two numbers are equal, a single frame will be
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display. If the two numbers are equal, a single frame will be
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displayed. */
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displayed. */
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enum mi_cmd_result
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enum mi_cmd_result
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mi_cmd_stack_list_frames (char *command, char **argv, int argc)
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mi_cmd_stack_list_frames (char *command, char **argv, int argc)
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{
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{
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int frame_low;
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int frame_low;
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int frame_high;
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int frame_high;
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int i;
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int i;
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struct frame_info *fi;
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struct frame_info *fi;
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if (!target_has_stack)
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if (!target_has_stack)
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error ("mi_cmd_stack_list_frames: No stack.");
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error ("mi_cmd_stack_list_frames: No stack.");
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if (argc > 2 || argc == 1)
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if (argc > 2 || argc == 1)
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error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
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error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
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if (argc == 2)
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if (argc == 2)
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{
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{
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frame_low = atoi (argv[0]);
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frame_low = atoi (argv[0]);
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frame_high = atoi (argv[1]);
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frame_high = atoi (argv[1]);
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}
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}
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else
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else
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{
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{
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/* Called with no arguments, it means we want the whole
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/* Called with no arguments, it means we want the whole
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backtrace. */
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backtrace. */
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frame_low = -1;
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frame_low = -1;
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frame_high = -1;
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frame_high = -1;
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}
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}
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/* Let's position fi on the frame at which to start the
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/* Let's position fi on the frame at which to start the
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display. Could be the innermost frame if the whole stack needs
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display. Could be the innermost frame if the whole stack needs
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displaying, or if frame_low is 0. */
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displaying, or if frame_low is 0. */
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for (i = 0, fi = get_current_frame ();
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for (i = 0, fi = get_current_frame ();
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fi && i < frame_low;
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fi && i < frame_low;
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i++, fi = get_prev_frame (fi));
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i++, fi = get_prev_frame (fi));
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if (fi == NULL)
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if (fi == NULL)
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error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
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error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
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ui_out_list_begin (uiout, "stack");
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ui_out_list_begin (uiout, "stack");
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/* Now let;s print the frames up to frame_high, or until there are
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/* Now let;s print the frames up to frame_high, or until there are
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frames in the stack. */
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frames in the stack. */
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for (;
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for (;
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fi && (i <= frame_high || frame_high == -1);
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fi && (i <= frame_high || frame_high == -1);
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i++, fi = get_prev_frame (fi))
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i++, fi = get_prev_frame (fi))
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{
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{
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QUIT;
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QUIT;
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/* level == i: always print the level 'i'
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/* level == i: always print the level 'i'
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source == LOC_AND_ADDRESS: print the location and the address
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source == LOC_AND_ADDRESS: print the location and the address
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always, even for level 0.
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always, even for level 0.
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args == 0: don't print the arguments. */
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args == 0: don't print the arguments. */
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print_frame_info (fi /* frame info */ ,
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print_frame_info (fi /* frame info */ ,
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i /* level */ ,
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i /* level */ ,
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LOC_AND_ADDRESS /* source */ ,
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LOC_AND_ADDRESS /* source */ ,
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0 /* args */ );
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0 /* args */ );
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}
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}
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ui_out_list_end (uiout);
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ui_out_list_end (uiout);
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if (i < frame_high)
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if (i < frame_high)
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error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
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error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
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return MI_CMD_DONE;
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return MI_CMD_DONE;
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}
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}
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enum mi_cmd_result
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enum mi_cmd_result
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mi_cmd_stack_info_depth (char *command, char **argv, int argc)
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mi_cmd_stack_info_depth (char *command, char **argv, int argc)
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{
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{
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int frame_high;
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int frame_high;
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int i;
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int i;
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struct frame_info *fi;
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struct frame_info *fi;
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if (!target_has_stack)
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if (!target_has_stack)
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error ("mi_cmd_stack_info_depth: No stack.");
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error ("mi_cmd_stack_info_depth: No stack.");
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if (argc > 1)
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if (argc > 1)
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error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
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error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
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if (argc == 1)
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if (argc == 1)
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frame_high = atoi (argv[0]);
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frame_high = atoi (argv[0]);
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else
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else
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/* Called with no arguments, it means we want the real depth of
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/* Called with no arguments, it means we want the real depth of
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the stack. */
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the stack. */
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frame_high = -1;
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frame_high = -1;
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for (i = 0, fi = get_current_frame ();
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for (i = 0, fi = get_current_frame ();
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fi && (i < frame_high || frame_high == -1);
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fi && (i < frame_high || frame_high == -1);
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i++, fi = get_prev_frame (fi))
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i++, fi = get_prev_frame (fi))
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QUIT;
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QUIT;
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ui_out_field_int (uiout, "depth", i);
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ui_out_field_int (uiout, "depth", i);
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return MI_CMD_DONE;
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return MI_CMD_DONE;
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}
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}
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/* Print a list of the locals for the current frame. With argument of
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/* Print a list of the locals for the current frame. With argument of
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0, print only the names, with argument of 1 print also the
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0, print only the names, with argument of 1 print also the
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values. */
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values. */
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enum mi_cmd_result
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enum mi_cmd_result
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mi_cmd_stack_list_locals (char *command, char **argv, int argc)
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mi_cmd_stack_list_locals (char *command, char **argv, int argc)
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{
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{
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if (argc != 1)
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if (argc != 1)
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error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
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error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
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list_args_or_locals (1, atoi (argv[0]), selected_frame);
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list_args_or_locals (1, atoi (argv[0]), selected_frame);
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return MI_CMD_DONE;
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return MI_CMD_DONE;
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}
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}
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/* Print a list of the arguments for the current frame. With argument
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/* Print a list of the arguments for the current frame. With argument
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of 0, print only the names, with argument of 1 print also the
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of 0, print only the names, with argument of 1 print also the
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values. */
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values. */
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enum mi_cmd_result
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enum mi_cmd_result
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mi_cmd_stack_list_args (char *command, char **argv, int argc)
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mi_cmd_stack_list_args (char *command, char **argv, int argc)
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{
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{
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int frame_low;
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int frame_low;
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int frame_high;
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int frame_high;
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int i;
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int i;
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struct frame_info *fi;
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struct frame_info *fi;
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if (argc < 1 || argc > 3 || argc == 2)
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if (argc < 1 || argc > 3 || argc == 2)
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error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
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error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
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if (argc == 3)
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if (argc == 3)
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{
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{
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frame_low = atoi (argv[1]);
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frame_low = atoi (argv[1]);
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frame_high = atoi (argv[2]);
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frame_high = atoi (argv[2]);
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}
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}
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else
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else
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{
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{
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/* Called with no arguments, it means we want args for the whole
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/* Called with no arguments, it means we want args for the whole
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backtrace. */
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backtrace. */
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frame_low = -1;
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frame_low = -1;
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frame_high = -1;
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frame_high = -1;
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}
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}
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/* Let's position fi on the frame at which to start the
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/* Let's position fi on the frame at which to start the
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display. Could be the innermost frame if the whole stack needs
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display. Could be the innermost frame if the whole stack needs
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displaying, or if frame_low is 0. */
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displaying, or if frame_low is 0. */
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for (i = 0, fi = get_current_frame ();
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for (i = 0, fi = get_current_frame ();
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fi && i < frame_low;
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fi && i < frame_low;
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i++, fi = get_prev_frame (fi));
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i++, fi = get_prev_frame (fi));
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if (fi == NULL)
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if (fi == NULL)
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error ("mi_cmd_stack_list_args: Not enough frames in stack.");
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error ("mi_cmd_stack_list_args: Not enough frames in stack.");
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ui_out_list_begin (uiout, "stack-args");
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ui_out_list_begin (uiout, "stack-args");
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/* Now let's print the frames up to frame_high, or until there are
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/* Now let's print the frames up to frame_high, or until there are
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frames in the stack. */
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frames in the stack. */
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for (;
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for (;
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fi && (i <= frame_high || frame_high == -1);
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fi && (i <= frame_high || frame_high == -1);
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i++, fi = get_prev_frame (fi))
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i++, fi = get_prev_frame (fi))
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{
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{
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QUIT;
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QUIT;
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ui_out_list_begin (uiout, "frame");
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ui_out_list_begin (uiout, "frame");
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ui_out_field_int (uiout, "level", i);
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ui_out_field_int (uiout, "level", i);
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list_args_or_locals (0, atoi (argv[0]), fi);
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list_args_or_locals (0, atoi (argv[0]), fi);
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ui_out_list_end (uiout);
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ui_out_list_end (uiout);
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}
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}
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ui_out_list_end (uiout);
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ui_out_list_end (uiout);
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if (i < frame_high)
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if (i < frame_high)
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error ("mi_cmd_stack_list_args: Not enough frames in stack.");
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error ("mi_cmd_stack_list_args: Not enough frames in stack.");
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return MI_CMD_DONE;
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return MI_CMD_DONE;
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}
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}
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/* Print a list of the locals or the arguments for the currently
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/* Print a list of the locals or the arguments for the currently
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selected frame. If the argument passed is 0, printonly the names
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selected frame. If the argument passed is 0, printonly the names
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of the variables, if an argument of 1 is passed, print the values
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of the variables, if an argument of 1 is passed, print the values
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as well. */
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as well. */
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static void
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static void
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list_args_or_locals (int locals, int values, struct frame_info *fi)
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list_args_or_locals (int locals, int values, struct frame_info *fi)
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{
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{
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struct block *block;
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struct block *block;
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struct symbol *sym;
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struct symbol *sym;
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int i, nsyms;
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int i, nsyms;
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int print_me = 0;
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int print_me = 0;
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static struct ui_stream *stb = NULL;
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static struct ui_stream *stb = NULL;
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stb = ui_out_stream_new (uiout);
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stb = ui_out_stream_new (uiout);
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block = get_frame_block (fi);
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block = get_frame_block (fi);
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ui_out_list_begin (uiout, locals ? "locals" : "args");
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ui_out_list_begin (uiout, locals ? "locals" : "args");
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while (block != 0)
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while (block != 0)
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{
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{
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nsyms = BLOCK_NSYMS (block);
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nsyms = BLOCK_NSYMS (block);
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for (i = 0; i < nsyms; i++)
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for (i = 0; i < nsyms; i++)
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{
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{
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sym = BLOCK_SYM (block, i);
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sym = BLOCK_SYM (block, i);
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switch (SYMBOL_CLASS (sym))
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switch (SYMBOL_CLASS (sym))
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{
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{
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default:
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default:
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case LOC_UNDEF: /* catches errors */
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case LOC_UNDEF: /* catches errors */
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case LOC_CONST: /* constant */
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case LOC_CONST: /* constant */
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case LOC_TYPEDEF: /* local typedef */
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case LOC_TYPEDEF: /* local typedef */
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case LOC_LABEL: /* local label */
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case LOC_LABEL: /* local label */
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case LOC_BLOCK: /* local function */
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case LOC_BLOCK: /* local function */
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case LOC_CONST_BYTES: /* loc. byte seq. */
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case LOC_CONST_BYTES: /* loc. byte seq. */
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case LOC_UNRESOLVED: /* unresolved static */
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case LOC_UNRESOLVED: /* unresolved static */
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case LOC_OPTIMIZED_OUT: /* optimized out */
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case LOC_OPTIMIZED_OUT: /* optimized out */
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print_me = 0;
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print_me = 0;
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break;
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break;
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case LOC_ARG: /* argument */
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case LOC_ARG: /* argument */
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case LOC_REF_ARG: /* reference arg */
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case LOC_REF_ARG: /* reference arg */
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case LOC_REGPARM: /* register arg */
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case LOC_REGPARM: /* register arg */
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case LOC_REGPARM_ADDR: /* indirect register arg */
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case LOC_REGPARM_ADDR: /* indirect register arg */
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case LOC_LOCAL_ARG: /* stack arg */
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case LOC_LOCAL_ARG: /* stack arg */
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case LOC_BASEREG_ARG: /* basereg arg */
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case LOC_BASEREG_ARG: /* basereg arg */
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if (!locals)
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if (!locals)
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print_me = 1;
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print_me = 1;
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break;
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break;
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case LOC_LOCAL: /* stack local */
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case LOC_LOCAL: /* stack local */
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case LOC_BASEREG: /* basereg local */
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case LOC_BASEREG: /* basereg local */
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case LOC_STATIC: /* static */
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case LOC_STATIC: /* static */
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case LOC_REGISTER: /* register */
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case LOC_REGISTER: /* register */
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if (locals)
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if (locals)
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print_me = 1;
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print_me = 1;
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break;
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break;
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}
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}
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if (print_me)
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if (print_me)
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{
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{
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if (values)
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if (values)
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ui_out_list_begin (uiout, NULL);
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ui_out_list_begin (uiout, NULL);
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ui_out_field_string (uiout, "name", SYMBOL_NAME (sym));
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ui_out_field_string (uiout, "name", SYMBOL_NAME (sym));
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|
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if (values)
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if (values)
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{
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{
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struct symbol *sym2;
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struct symbol *sym2;
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if (!locals)
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if (!locals)
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sym2 = lookup_symbol (SYMBOL_NAME (sym),
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sym2 = lookup_symbol (SYMBOL_NAME (sym),
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block, VAR_NAMESPACE,
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block, VAR_NAMESPACE,
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(int *) NULL,
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(int *) NULL,
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(struct symtab **) NULL);
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(struct symtab **) NULL);
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else
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else
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sym2 = sym;
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sym2 = sym;
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print_variable_value (sym2, fi, stb->stream);
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print_variable_value (sym2, fi, stb->stream);
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ui_out_field_stream (uiout, "value", stb);
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ui_out_field_stream (uiout, "value", stb);
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ui_out_list_end (uiout);
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ui_out_list_end (uiout);
|
}
|
}
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}
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}
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}
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}
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if (BLOCK_FUNCTION (block))
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if (BLOCK_FUNCTION (block))
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break;
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break;
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else
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else
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block = BLOCK_SUPERBLOCK (block);
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block = BLOCK_SUPERBLOCK (block);
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}
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}
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ui_out_list_end (uiout);
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ui_out_list_end (uiout);
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ui_out_stream_delete (stb);
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ui_out_stream_delete (stb);
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}
|
}
|
|
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enum mi_cmd_result
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enum mi_cmd_result
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mi_cmd_stack_select_frame (char *command, char **argv, int argc)
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mi_cmd_stack_select_frame (char *command, char **argv, int argc)
|
{
|
{
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#ifdef UI_OUT
|
#ifdef UI_OUT
|
if (!target_has_stack)
|
if (!target_has_stack)
|
error ("mi_cmd_stack_select_frame: No stack.");
|
error ("mi_cmd_stack_select_frame: No stack.");
|
|
|
if (argc > 1)
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if (argc > 1)
|
error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
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error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
|
|
|
/* with no args, don't change frame */
|
/* with no args, don't change frame */
|
if (argc == 0)
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if (argc == 0)
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select_frame_command_wrapper (0, 1 /* not used */ );
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select_frame_command_wrapper (0, 1 /* not used */ );
|
else
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else
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select_frame_command_wrapper (argv[0], 1 /* not used */ );
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select_frame_command_wrapper (argv[0], 1 /* not used */ );
|
#endif
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#endif
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return MI_CMD_DONE;
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return MI_CMD_DONE;
|
}
|
}
|
|
|
/* Local variables: */
|
/* Local variables: */
|
/* change-log-default-name: "ChangeLog-mi" */
|
/* change-log-default-name: "ChangeLog-mi" */
|
/* End: */
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/* End: */
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|
