Remote support for the Rom68k monitor and the Motorola Bug monitor. This is

the first attempt at a generic debug monitor support file.

gdb/monitor.h

@@ -0,0 +1,62 @@
+/* Remote debugging interface for ROM68K boot monitor, for GDB.
+ *  Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
+ *  Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
+ *
+ *  Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
+ *  Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+struct monitor_ops {
+  char	*execute;		/* execute or usually GO command */
+  char	*resume;		/* continue command */
+  char	*step;			/* single step */
+  char	*set_break;		/* set a breakpoint */
+  char	*clr_break;		/* clear a breakpoint */
+  char	*set_mem;		/* set memory to a value */
+  char	*dis_mem;		/* display memory */
+  char	*mem_prompt;		/* prompt memory commands use */
+  char	*set_reg;		/* set a register */
+  char	*reg_delim;		/* delimiter between registers */
+  char	*get_reg;		/* read a register */
+  char	*load;			/* download command */
+  char	*prompt;		/* monitor command prompt */
+  char	*cmd_delim;		/* end-of-command delimitor */
+  char	*cmd_end;		/* optional command terminator */
+};
+
+extern struct monitor_ops        *current_monitor;
+
+#define GO_CMD 			(current_monitor->execute)
+#define CONT_CMD		(current_monitor->resume)
+#define STEP_CMD		(current_monitor->step)
+#define SET_BREAK_CMD		(current_monitor->set_break)
+#define CLR_BREAK_CMD		(current_monitor->clr_break)
+#define MEM_SET_CMD		(current_monitor->set_mem)
+#define MEM_DIS_CMD		(current_monitor->dis_mem)
+#define LOAD_CMD		(current_monitor->load)
+#define GET_REG			(current_monitor->get_reg)
+#define REG_DELIM		(current_monitor->reg_delim)
+#define SET_REG			(current_monitor->set_reg)
+#define CMD_END			(current_monitor->cmd_end)
+#define CMD_DELIM		(current_monitor->cmd_delim)
+#define PROMPT			(current_monitor->prompt)
+#define MEM_PROMPT		(current_monitor->mem_prompt)
+
+#define push_monitor(x)		current_monitor = x;
+