Add mi/ and testsuite/gdb.mi/ subdirectories.

Add --enable-gdbmi option to configury.
Add mi rules to Makefile.in
Add mi conditional output to event-top.c infrun.c main.c top.c.
Add -i=mi option.

1 files changed, 317 insertions, 0 deletions

diff --git a/gdb/mi/mi-cmd-stack.c b/gdb/mi/mi-cmd-stack.c
new file mode 100644
index 0000000..143054c
--- /dev/null
+++ b/gdb/mi/mi-cmd-stack.c
@@ -0,0 +1,317 @@
+/* MI Command Set - stack commands.
+   Copyright (C) 2000, Free Software Foundation, Inc.
+   Contributed by Cygnus Solutions.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "target.h"
+#include "frame.h"
+#include "value.h"
+#include "mi-cmds.h"
+#include "ui-out.h"
+
+#ifdef UI_OUT
+/* FIXME: these should go in some .h file but stack.c doesn't have a
+   corresponding .h file. These wrappers will be obsolete anyway, once
+   we pull the plug on the sanitization. */
+extern void select_frame_command_wrapper (char *, int);
+#endif
+
+static void list_args_or_locals (int locals, int values, struct frame_info *fi);
+
+/* Print a list of the stack frames. Args can be none, in which case
+   we want to print the whole backtrace, or a pair of numbers
+   specifying the frame numbers at which to start and stop the
+   display. If the two numbers are equal, a single frame will be
+   displayed. */
+enum mi_cmd_result
+mi_cmd_stack_list_frames (char *command, char **argv, int argc)
+{
+  int frame_low;
+  int frame_high;
+  int i;
+  struct frame_info *fi;
+
+  if (!target_has_stack)
+    error ("mi_cmd_stack_list_frames: No stack.");
+
+  if (argc > 2 || argc == 1)
+    error ("mi_cmd_stack_list_frames: Usage: [FRAME_LOW FRAME_HIGH]");
+
+  if (argc == 2)
+    {
+      frame_low = atoi (argv[0]);
+      frame_high = atoi (argv[1]);
+    }
+  else
+    {
+      /* Called with no arguments, it means we want the whole
+         backtrace. */
+      frame_low = -1;
+      frame_high = -1;
+    }
+
+  /* Let's position fi on the frame at which to start the
+     display. Could be the innermost frame if the whole stack needs
+     displaying, or if frame_low is 0. */
+  for (i = 0, fi = get_current_frame ();
+       fi && i < frame_low;
+       i++, fi = get_prev_frame (fi));
+
+  if (fi == NULL)
+    error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
+
+  ui_out_list_begin (uiout, "stack");
+
+  /* Now let;s print the frames up to frame_high, or until there are
+     frames in the stack. */
+  for (;
+       fi && (i <= frame_high || frame_high == -1);
+       i++, fi = get_prev_frame (fi))
+    {
+      QUIT;
+      /* level == i: always print the level 'i'
+         source == LOC_AND_ADDRESS: print the location and the address 
+         always, even for level 0.
+         args == 0: don't print the arguments. */
+      print_frame_info (fi /* frame info */ ,
+			i /* level */ ,
+			LOC_AND_ADDRESS /* source */ ,
+			0 /* args */ );
+    }
+
+  ui_out_list_end (uiout);
+  if (i < frame_high)
+    error ("mi_cmd_stack_list_frames: Not enough frames in stack.");
+
+  return MI_CMD_DONE;
+}
+
+enum mi_cmd_result
+mi_cmd_stack_info_depth (char *command, char **argv, int argc)
+{
+  int frame_high;
+  int i;
+  struct frame_info *fi;
+
+  if (!target_has_stack)
+    error ("mi_cmd_stack_info_depth: No stack.");
+
+  if (argc > 1)
+    error ("mi_cmd_stack_info_depth: Usage: [MAX_DEPTH]");
+
+  if (argc == 1)
+    frame_high = atoi (argv[0]);
+  else
+    /* Called with no arguments, it means we want the real depth of
+       the stack. */
+    frame_high = -1;
+
+  for (i = 0, fi = get_current_frame ();
+       fi && (i < frame_high || frame_high == -1);
+       i++, fi = get_prev_frame (fi))
+    QUIT;
+
+  ui_out_field_int (uiout, "depth", i);
+
+  return MI_CMD_DONE;
+}
+
+/* Print a list of the locals for the current frame. With argument of
+   0, print only the names, with argument of 1 print also the
+   values. */
+enum mi_cmd_result
+mi_cmd_stack_list_locals (char *command, char **argv, int argc)
+{
+  if (argc != 1)
+    error ("mi_cmd_stack_list_locals: Usage: PRINT_VALUES");
+
+  list_args_or_locals (1, atoi (argv[0]), selected_frame);
+  return MI_CMD_DONE;
+}
+
+/* Print a list of the arguments for the current frame. With argument
+   of 0, print only the names, with argument of 1 print also the
+   values. */
+enum mi_cmd_result
+mi_cmd_stack_list_args (char *command, char **argv, int argc)
+{
+  int frame_low;
+  int frame_high;
+  int i;
+  struct frame_info *fi;
+
+  if (argc < 1 || argc > 3 || argc == 2)
+    error ("mi_cmd_stack_list_args: Usage: PRINT_VALUES [FRAME_LOW FRAME_HIGH]");
+
+  if (argc == 3)
+    {
+      frame_low = atoi (argv[1]);
+      frame_high = atoi (argv[2]);
+    }
+  else
+    {
+      /* Called with no arguments, it means we want args for the whole
+         backtrace. */
+      frame_low = -1;
+      frame_high = -1;
+    }
+
+  /* Let's position fi on the frame at which to start the
+     display. Could be the innermost frame if the whole stack needs
+     displaying, or if frame_low is 0. */
+  for (i = 0, fi = get_current_frame ();
+       fi && i < frame_low;
+       i++, fi = get_prev_frame (fi));
+
+  if (fi == NULL)
+    error ("mi_cmd_stack_list_args: Not enough frames in stack.");
+
+  ui_out_list_begin (uiout, "stack-args");
+
+  /* Now let's print the frames up to frame_high, or until there are
+     frames in the stack. */
+  for (;
+       fi && (i <= frame_high || frame_high == -1);
+       i++, fi = get_prev_frame (fi))
+    {
+      QUIT;
+      ui_out_list_begin (uiout, "frame");
+      ui_out_field_int (uiout, "level", i);
+      list_args_or_locals (0, atoi (argv[0]), fi);
+      ui_out_list_end (uiout);
+    }
+
+  ui_out_list_end (uiout);
+  if (i < frame_high)
+    error ("mi_cmd_stack_list_args: Not enough frames in stack.");
+
+  return MI_CMD_DONE;
+}
+
+/* Print a list of the locals or the arguments for the currently
+   selected frame.  If the argument passed is 0, printonly the names
+   of the variables, if an argument of 1 is passed, print the values
+   as well. */
+static void
+list_args_or_locals (int locals, int values, struct frame_info *fi)
+{
+  struct block *block;
+  struct symbol *sym;
+  int i, nsyms;
+  int print_me = 0;
+  static struct ui_stream *stb = NULL;
+
+  stb = ui_out_stream_new (uiout);
+
+  block = get_frame_block (fi);
+
+  ui_out_list_begin (uiout, locals ? "locals" : "args");
+
+  while (block != 0)
+    {
+      nsyms = BLOCK_NSYMS (block);
+      for (i = 0; i < nsyms; i++)
+	{
+	  sym = BLOCK_SYM (block, i);
+	  switch (SYMBOL_CLASS (sym))
+	    {
+	    default:
+	    case LOC_UNDEF:	/* catches errors        */
+	    case LOC_CONST:	/* constant              */
+	    case LOC_TYPEDEF:	/* local typedef         */
+	    case LOC_LABEL:	/* local label           */
+	    case LOC_BLOCK:	/* local function        */
+	    case LOC_CONST_BYTES:	/* loc. byte seq.        */
+	    case LOC_UNRESOLVED:	/* unresolved static     */
+	    case LOC_OPTIMIZED_OUT:	/* optimized out         */
+	      print_me = 0;
+	      break;
+
+	    case LOC_ARG:	/* argument              */
+	    case LOC_REF_ARG:	/* reference arg         */
+	    case LOC_REGPARM:	/* register arg          */
+	    case LOC_REGPARM_ADDR:	/* indirect register arg */
+	    case LOC_LOCAL_ARG:	/* stack arg             */
+	    case LOC_BASEREG_ARG:	/* basereg arg           */
+	      if (!locals)
+		print_me = 1;
+	      break;
+
+	    case LOC_LOCAL:	/* stack local           */
+	    case LOC_BASEREG:	/* basereg local         */
+	    case LOC_STATIC:	/* static                */
+	    case LOC_REGISTER:	/* register              */
+	      if (locals)
+		print_me = 1;
+	      break;
+	    }
+	  if (print_me)
+	    {
+	      if (values)
+		ui_out_list_begin (uiout, NULL);
+	      ui_out_field_string (uiout, "name", SYMBOL_NAME (sym));
+
+	      if (values)
+		{
+		  struct symbol *sym2;
+		  if (!locals)
+		    sym2 = lookup_symbol (SYMBOL_NAME (sym),
+					  block, VAR_NAMESPACE,
+					  (int *) NULL,
+					  (struct symtab **) NULL);
+		  else
+		    sym2 = sym;
+		  print_variable_value (sym2, fi, stb->stream);
+		  ui_out_field_stream (uiout, "value", stb);
+		  ui_out_list_end (uiout);
+		}
+	    }
+	}
+      if (BLOCK_FUNCTION (block))
+	break;
+      else
+	block = BLOCK_SUPERBLOCK (block);
+    }
+  ui_out_list_end (uiout);
+  ui_out_stream_delete (stb);
+}
+
+enum mi_cmd_result
+mi_cmd_stack_select_frame (char *command, char **argv, int argc)
+{
+#ifdef UI_OUT
+  if (!target_has_stack)
+    error ("mi_cmd_stack_select_frame: No stack.");
+
+  if (argc > 1)
+    error ("mi_cmd_stack_select_frame: Usage: [FRAME_SPEC]");
+
+  /* with no args, don't change frame */
+  if (argc == 0)
+    select_frame_command_wrapper (0, 1 /* not used */ );
+  else
+    select_frame_command_wrapper (argv[0], 1 /* not used */ );
+#endif
+  return MI_CMD_DONE;
+}
+
+/* Local variables: */
+/* change-log-default-name: "ChangeLog-mi" */
+/* End: */