diff options
Diffstat (limited to 'gdb/remote-monitor.c')
| -rw-r--r-- | gdb/remote-monitor.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/gdb/remote-monitor.c b/gdb/remote-monitor.c index eb3d63c..d6e4f54 100644 --- a/gdb/remote-monitor.c +++ b/gdb/remote-monitor.c @@ -1,5 +1,5 @@ /* Remote debugging interface for MONITOR boot monitor, for GDB. - Copyright 1990, 1991, 1992 Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. Contributed by Cygnus Support. Written by Rob Savoye for Cygnus. This file is part of GDB. @@ -59,7 +59,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ struct monitor_ops *current_monitor; extern struct target_ops rom68k_ops; /* Forward declaration */ extern struct target_ops mon68_ops; /* Forward declaration */ -extern struct target_ops bug_ops; /* Forward declaration */ +static struct target_ops bug_ops; /* Forward declaration */ extern struct monitor_ops rom68k_cmds; /* Forward declaration */ extern struct monitor_ops mon68_cmds; /* Forward declaration */ extern struct monitor_ops bug_cmds; /* Forward declaration */ @@ -80,10 +80,10 @@ FILE *log_file; static int timeout = 24; -/* Descriptor for I/O to remote machine. Initialize it to -1 so that - monitor_open knows that we don't have a file open when the program - starts. */ -static serial_t monitor_desc; +/* Descriptor for I/O to remote machine. Initialize it to NULL so that + monitor_open knows that we don't have a file open when the program starts. + */ +static serial_t monitor_desc = NULL; /* Send data to monitor. Works just like printf. */ @@ -333,7 +333,7 @@ general_open(args, name, from_tty) monitor_desc = SERIAL_OPEN(dev_name); - if (!monitor_desc) + if (monitor_desc == NULL) perror_with_name(dev_name); /* The baud rate was specified when GDB was started. */ @@ -409,6 +409,7 @@ monitor_close (quitting) int quitting; { SERIAL_CLOSE(monitor_desc); + monitor_desc = NULL; #if defined (LOG_FILE) if (log_file) { @@ -886,7 +887,7 @@ monitor_command (args, fromtty) #ifdef LOG_FILE fprintf (log_file, "\nIn command (args=%s)\n", args); #endif - if (monitor_desc < 0) + if (monitor_desc == NULL) error("monitor target not open."); if (!args) @@ -921,7 +922,7 @@ connect_command (args, fromtty) dont_repeat(); - if (monitor_desc < 0) + if (monitor_desc == NULL) error("monitor target not open."); if (args) @@ -1091,7 +1092,7 @@ Specify the serial device it is connected to (e.g. /dev/ttya).", OPS_MAGIC, /* Always the last thing */ }; -struct target_ops bug_ops = { +static struct target_ops bug_ops = { "bug", "Motorola's BUG remote serial debug monitor", "Use a remote computer running Motorola's BUG debug monitor.\n\ |