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Diffstat (limited to 'gdb/remote-monitor.c')
| -rw-r--r-- | gdb/remote-monitor.c | 1209 |
1 files changed, 0 insertions, 1209 deletions
diff --git a/gdb/remote-monitor.c b/gdb/remote-monitor.c index d9367a8..e69de29 100644 --- a/gdb/remote-monitor.c +++ b/gdb/remote-monitor.c @@ -1,1209 +0,0 @@ -/* Remote debugging interface for MONITOR boot monitor, for GDB. - 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. - -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. */ - -/* This file was derived from remote-eb.c, which did a similar job, but for - an AMD-29K running EBMON. That file was in turn derived from remote.c - as mentioned in the following comment (left in for comic relief): - - "This is like remote.c but is for an esoteric situation-- - having an a29k board in a PC hooked up to a unix machine with - a serial line, and running ctty com1 on the PC, through which - the unix machine can run ebmon. Not to mention that the PC - has PC/NFS, so it can access the same executables that gdb can, - over the net in real time." - - In reality, this module talks to a debug monitor called 'MONITOR', which - We communicate with MONITOR via either a direct serial line, or a TCP - (or possibly TELNET) stream to a terminal multiplexor, - which in turn talks to the target board. - - This is based on remote-st2000.c. I left in the above note here for histerical - reasons. -*/ - -#include "defs.h" -#include "gdbcore.h" -#include "target.h" -#include "wait.h" -#include <varargs.h> -#include <signal.h> -#include <string.h> -#include <sys/types.h> -#include "command.h" -#include "serial.h" -#include "monitor.h" - -#ifdef HAVE_TERMIO -# define TERMINAL struct termios -#else -# define TERMINAL struct sgttyb -#endif - -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 monitor_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 */ -extern struct cmd_list_element *setlist; -extern struct cmd_list_element *unsetlist; -struct cmd_list_element *showlist; - -static void monitor_close(); -static void monitor_fetch_register(); -static void monitor_store_register(); -static int kiodebug; /* flag set by "set remotedebug" */ -static int hashmark; /* flag set by "set hash" */ - -#define LOG_FILE "monitor.log" -#if defined (LOG_FILE) -FILE *log_file; -#endif - -static int timeout = 24; - -/* 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. */ - -static void -printf_monitor(va_alist) - va_dcl -{ - va_list args; - char *pattern; - char buf[200]; - int i; - - va_start(args); - - pattern = va_arg(args, char *); - - vsprintf(buf, pattern, args); - - if (SERIAL_WRITE(monitor_desc, buf, strlen(buf))) - fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno)); -} - -/* Read a character from the remote system, doing all the fancy - timeout stuff. */ -static int -readchar(timeout) - int timeout; -{ - int c; - - c = SERIAL_READCHAR(monitor_desc, timeout); - - if (kiodebug) - putchar(c & 0x7f); - -#ifdef LOG_FILE - if (isascii (c)) - putc(c & 0x7f, log_file); -#endif - - if (c >= 0) - return c & 0x7f; - - if (c == SERIAL_TIMEOUT) - { - if (timeout == 0) - return c; /* Polls shouldn't generate timeout errors */ - - error("Timeout reading from remote system."); - } - - perror_with_name("remote-monitor"); -} - -/* Scan input from the remote system, until STRING is found. If DISCARD is - non-zero, then discard non-matching input, else print it out. - Let the user break out immediately. */ -static void -expect(string, discard) - char *string; - int discard; -{ - char *p = string; - int c; - - if (kiodebug) - printf ("Expecting \"%s\"\n", string); - - immediate_quit = 1; - while (1) - { - c = readchar(timeout); - if (!isascii (c)) - continue; - if (c == *p++) - { - if (*p == '\0') - { - immediate_quit = 0; - if (kiodebug) - printf ("\nMatched\n"); - return; - } - } - else - { - if (!discard) - { - fwrite(string, 1, (p - 1) - string, stdout); - putchar((char)c); - fflush(stdout); - } - p = string; - } - } -} - -/* Keep discarding input until we see the MONITOR prompt. - - The convention for dealing with the prompt is that you - o give your command - o *then* wait for the prompt. - - Thus the last thing that a procedure does with the serial line - will be an expect_prompt(). Exception: monitor_resume does not - wait for the prompt, because the terminal is being handed over - to the inferior. However, the next thing which happens after that - is a monitor_wait which does wait for the prompt. - Note that this includes abnormal exit, e.g. error(). This is - necessary to prevent getting into states from which we can't - recover. */ -static void -expect_prompt(discard) - int discard; -{ -#if defined (LOG_FILE) - /* This is a convenient place to do this. The idea is to do it often - enough that we never lose much data if we terminate abnormally. */ - fflush(log_file); -#endif - expect (PROMPT, discard); -} - -/* Get a hex digit from the remote system & return its value. - If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ -static int -get_hex_digit(ignore_space) - int ignore_space; -{ - int ch; - while (1) - { - ch = readchar(timeout); - if (ch >= '0' && ch <= '9') - return ch - '0'; - else if (ch >= 'A' && ch <= 'F') - return ch - 'A' + 10; - else if (ch >= 'a' && ch <= 'f') - return ch - 'a' + 10; - else if (ch == ' ' && ignore_space) - ; - else - { - expect_prompt(1); - error("Invalid hex digit from remote system."); - } - } -} - -/* Get a byte from monitor and put it in *BYT. Accept any number - leading spaces. */ -static void -get_hex_byte (byt) - char *byt; -{ - int val; - - val = get_hex_digit (1) << 4; - val |= get_hex_digit (0); - *byt = val; -} - -/* Get N 32-bit words from remote, each preceded by a space, - and put them in registers starting at REGNO. */ -static void -get_hex_regs (n, regno) - int n; - int regno; -{ - long val; - int i; - - for (i = 0; i < n; i++) - { - int j; - - val = 0; - for (j = 0; j < 8; j++) - val = (val << 4) + get_hex_digit (j == 0); - supply_register (regno++, (char *) &val); - } -} - -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ -static void -monitor_create_inferior (execfile, args, env) - char *execfile; - char *args; - char **env; -{ - int entry_pt; - - if (args && *args) - error("Can't pass arguments to remote MONITOR process"); - - if (execfile == 0 || exec_bfd == 0) - error("No exec file specified"); - - entry_pt = (int) bfd_get_start_address (exec_bfd); - -#ifdef CREATE_INFERIOR_HOOK - CREATE_INFERIOR_HOOK (0); /* No process-ID */ -#endif -#ifdef LOG_FILE - fputs ("\nIn Create_inferior()", log_file); -#endif - -/* The "process" (board) is already stopped awaiting our commands, and - the program is already downloaded. We just set its PC and go. */ - - clear_proceed_status (); - - /* Tell wait_for_inferior that we've started a new process. */ - init_wait_for_inferior (); - - /* Set up the "saved terminal modes" of the inferior - based on what modes we are starting it with. */ - target_terminal_init (); - - /* Install inferior's terminal modes. */ - target_terminal_inferior (); - - /* insert_step_breakpoint (); FIXME, do we need this? */ - proceed ((CORE_ADDR)entry_pt, -1, 0); /* Let 'er rip... */ -} - -/* Open a connection to a remote debugger. - NAME is the filename used for communication. */ - -static int baudrate = 9600; -static char dev_name[100]; - -static void -general_open(args, name, from_tty) - char *args; - char *name; - int from_tty; -{ - if (args == NULL) - error ("Use `target %s DEVICE-NAME' to use a serial port, or \n\ -`target %s HOST-NAME:PORT-NUMBER' to use a network connection.", name, name); - - target_preopen(from_tty); - - monitor_close(0); - - monitor_desc = SERIAL_OPEN(dev_name); - - if (monitor_desc == NULL) - perror_with_name(dev_name); - - /* The baud rate was specified when GDB was started. */ - if (baud_rate) - { - int rate; - - if (sscanf (baud_rate, "%d", &rate) == 1) - if (SERIAL_SETBAUDRATE (monitor_desc, rate)) - { - SERIAL_CLOSE (monitor_desc); - perror_with_name (name); - } - } - - SERIAL_RAW(monitor_desc); - -#if defined (LOG_FILE) - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - perror_with_name (LOG_FILE); -#endif - - /* Hello? Are you there? */ - printf_monitor("\r"); /* CR wakes up monitor */ - - expect_prompt(1); - - if (from_tty) - printf("Remote %s connected to %s\n", target_shortname, - dev_name); -} - -static void -rom68k_open(args, from_tty) - char *args; - int from_tty; -{ - push_target(&rom68k_ops); - push_monitor (&rom68k_cmds); - - general_open (args, "rom68k", from_tty); -} - -static void -mon68_open(args, from_tty) - char *args; - int from_tty; -{ - push_target(&mon68_ops); - push_monitor (&mon68_cmds); - - general_open (args, "mon68", from_tty); -} - -static void -bug_open(args, from_tty) - char *args; - int from_tty; -{ - push_target(&monitor_bug_ops); - push_monitor (&bug_cmds); - - general_open (args, "bug", from_tty); -} - -/* - * _close -- Close out all files and local state before this target loses control. - */ - -static void -monitor_close (quitting) - int quitting; -{ - SERIAL_CLOSE(monitor_desc); - monitor_desc = NULL; - -#if defined (LOG_FILE) - if (log_file) { - if (ferror(log_file)) - fprintf(stderr, "Error writing log file.\n"); - if (fclose(log_file) != 0) - fprintf(stderr, "Error closing log file.\n"); - } -#endif -} - -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. */ -static void -monitor_detach (from_tty) - int from_tty; -{ - pop_target(); /* calls monitor_close to do the real work */ - if (from_tty) - printf ("Ending remote %s debugging\n", target_shortname); -} - -/* - * _resume -- Tell the remote machine to resume. - */ -static void -monitor_resume (pid, step, sig) - int pid, step, sig; -{ -#ifdef LOG_FILE - fprintf (log_file, "\nIn Resume (step=%d, sig=%d)\n", step, sig); -#endif - - if (step) - { - printf_monitor (STEP_CMD); - /* wait for the echo. */ - expect (STEP_CMD, 1); - } - else - { - printf_monitor (GO_CMD); - /* swallow the echo. */ - expect (GO_CMD, 1); - } -} - -/* - * _wait -- Wait until the remote machine stops, then return, - * storing status in status just as `wait' would. - */ - -static int -monitor_wait (status) - WAITTYPE *status; -{ - int old_timeout = timeout; -#ifdef LOG_FILE - fputs ("\nIn wait ()", log_file); -#endif - - WSETEXIT ((*status), 0); - - timeout = 0; /* Don't time out -- user program is running. */ - - expect_prompt(0); /* Wait for prompt, outputting extraneous text */ - - WSETSTOP ((*status), SIGTRAP); - - timeout = old_timeout; - - return 0; -} - -/* Return the name of register number regno in the form input and output by - monitor. Currently, register_names just happens to contain exactly what - monitor wants. Lets take advantage of that just as long as possible! */ - -static char * -get_reg_name (regno) - int regno; -{ - static char buf[50]; - const char *p; - char *b; - - b = buf; - - if (regno < 0) - return (""); - for (p = reg_names[regno]; *p; p++) - *b++ = toupper(*p); - *b = '\000'; - - return buf; -} - -/* read the remote registers into the block regs. */ - -static void -monitor_fetch_registers () -{ - int regno; - - /* yeah yeah, i know this is horribly inefficient. but it isn't done - very often... i'll clean it up later. */ - - for (regno = 0; regno <= PC_REGNUM; regno++) - monitor_fetch_register(regno); -} - -/* Fetch register REGNO, or all registers if REGNO is -1. - Returns errno value. */ -static void -monitor_fetch_register (regno) - int regno; -{ - int val, j; - -#ifdef LOG_FILE - fprintf (log_file, "\nIn Fetch Register (reg=%s)\n", get_reg_name (regno)); - fflush (log_file); -#endif - - if (regno < 0) - { - monitor_fetch_registers (); - } - else - { - char *name = get_reg_name (regno); - printf_monitor (GET_REG, name); - expect (name, 1); - expect (REG_DELIM, 1); - if (strcasecmp (name, "SR") == 0) - { - val = 0; - for (j = 0; j < 4; j++) - val = (val << 4) + get_hex_digit (j == 0); - supply_register (regno, (char *) &val); - } - else - { - get_hex_regs (1, regno); - } - if (CMD_END) - { - expect (CMD_DELIM); - printf_monitor (CMD_END); - } - expect_prompt (1); - } - return; -} - -/* Store the remote registers from the contents of the block REGS. */ - -static void -monitor_store_registers () -{ - int regno; - - for (regno = 0; regno <= PC_REGNUM; regno++) - monitor_store_register(regno); - - registers_changed (); -} - -/* Store register REGNO, or all if REGNO == 0. - return errno value. */ -static void -monitor_store_register (regno) - int regno; -{ -#ifdef LOG_FILE - fprintf (log_file, "\nIn Store_register (regno=%d)\n", regno); -#endif - if (regno == -1) - monitor_store_registers (); - else - { - if (kiodebug) - printf ("Setting register %s to 0x%x\n", get_reg_name (regno), read_register (regno)); - - printf_monitor (SET_REG, get_reg_name (regno), - read_register (regno)); - - expect_prompt (1); - } -} - -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -static void -monitor_prepare_to_store () -{ - /* Do nothing, since we can store individual regs */ -} - -static void -monitor_files_info () -{ - printf ("\tAttached to %s at %d baud.\n", - dev_name, baudrate); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns length moved. */ -static int -monitor_write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - unsigned char *myaddr; - int len; -{ - int i; - char buf[10]; - -#ifdef LOG_FILE - fprintf (log_file, "\nIn Write_inferior_memory (memaddr=%x, len=%d)\n", memaddr, len); -#endif - for (i = 0; i < len; i++) - { - printf_monitor (MEM_SET_CMD, memaddr + i); - expect (sprintf (buf, MEM_PROMPT, memaddr + i), 1); - expect (CMD_DELIM); - printf_monitor ("%x", myaddr[i]); - if (kiodebug) - printf ("\nSet 0x%x to 0x%x\n", memaddr + i, myaddr[i]); - if (CMD_END) - { -/*** expect (sprintf (buf, MEM_PROMPT, memaddr + i +1), 1); - expect (CMD_DELIM); ***/ - printf_monitor (CMD_END); - } - expect_prompt (1); - } - return len; -} - -/* Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns length moved. */ -static int -monitor_read_inferior_memory(memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - int i, j; - char buf[20]; - - /* Number of bytes read so far. */ - int count; - - /* Starting address of this pass. */ - unsigned long startaddr; - - /* Number of bytes to read in this pass. */ - int len_this_pass; - -#ifdef LOG_FILE - fprintf (log_file, "\nIn Read_inferior_memory (memaddr=%x, len=%d)\n", memaddr, len); -#endif - - /* Note that this code works correctly if startaddr is just less - than UINT_MAX (well, really CORE_ADDR_MAX if there was such a - thing). That is, something like - monitor_read_bytes (CORE_ADDR_MAX - 4, foo, 4) - works--it never adds len To memaddr and gets 0. */ - /* However, something like - monitor_read_bytes (CORE_ADDR_MAX - 3, foo, 4) - doesn't need to work. Detect it and give up if there's an attempt - to do that. */ - if (((memaddr - 1) + len) < memaddr) { - errno = EIO; - return 0; - } - - startaddr = memaddr; - count = 0; - while (count < len) - { - len_this_pass = 16; - if ((startaddr % 16) != 0) - len_this_pass -= startaddr % 16; - if (len_this_pass > (len - count)) - len_this_pass = (len - count); - if (kiodebug) - printf ("\nDisplay %d bytes at %x\n", len_this_pass, startaddr); - - for (i = 0; i < len_this_pass; i++) - { - printf_monitor (MEM_DIS_CMD, startaddr); - expect (sprintf(buf, MEM_PROMPT, startaddr), 1); - get_hex_byte (&myaddr[count++]); - if (kiodebug) - printf ("\nRead a 0x%x from 0x%x\n", myaddr[count-1], startaddr); - if (CMD_END) - { - expect (CMD_DELIM); - printf_monitor (CMD_END); - } - expect_prompt (1); - startaddr += 1; - } - } - return len; -} - -/* FIXME-someday! merge these two. */ -static int -monitor_xfer_inferior_memory (memaddr, myaddr, len, write, target) - CORE_ADDR memaddr; - char *myaddr; - int len; - int write; - struct target_ops *target; /* ignored */ -{ - if (write) - return monitor_write_inferior_memory (memaddr, myaddr, len); - else - return monitor_read_inferior_memory (memaddr, myaddr, len); -} - -static void -monitor_kill (args, from_tty) - char *args; - int from_tty; -{ - return; /* ignore attempts to kill target system */ -} - -/* Clean up when a program exits. - The program actually lives on in the remote processor's RAM, and may be - run again without a download. Don't leave it full of breakpoint - instructions. */ - -static void -monitor_mourn_inferior () -{ - remove_breakpoints (); - generic_mourn_inferior (); /* Do all the proper things now */ -} - -#define MAX_MONITOR_BREAKPOINTS 16 - -extern int memory_breakpoint_size; -static CORE_ADDR breakaddr[MAX_MONITOR_BREAKPOINTS] = {0}; - -static int -monitor_insert_breakpoint (addr, shadow) - CORE_ADDR addr; - char *shadow; -{ - int i; - -#ifdef LOG_FILE - fprintf (log_file, "\nIn Insert_breakpoint (addr=%x)\n", addr); -#endif - for (i = 0; i <= MAX_MONITOR_BREAKPOINTS; i++) - if (breakaddr[i] == 0) - { - breakaddr[i] = addr; - if (kiodebug) - printf ("Breakpoint at %x\n", addr); - monitor_read_inferior_memory(addr, shadow, memory_breakpoint_size); - printf_monitor(SET_BREAK_CMD, addr); - expect_prompt(1); - return 0; - } - - fprintf(stderr, "Too many breakpoints (> 16) for monitor\n"); - return 1; -} - -/* - * _remove_breakpoint -- Tell the monitor to remove a breakpoint - */ -static int -monitor_remove_breakpoint (addr, shadow) - CORE_ADDR addr; - char *shadow; -{ - int i; - -#ifdef LOG_FILE - fprintf (log_file, "\nIn Remove_breakpoint (addr=%x)\n", addr); -#endif - for (i = 0; i < MAX_MONITOR_BREAKPOINTS; i++) - if (breakaddr[i] == addr) - { - breakaddr[i] = 0; - /* some monitors remove breakpoints based on the address */ - if (strcasecmp (target_shortname, "bug") == 0) - printf_monitor(CLR_BREAK_CMD, addr); - else - printf_monitor(CLR_BREAK_CMD, i); - expect_prompt(1); - return 0; - } - - fprintf(stderr, "Can't find breakpoint associated with 0x%x\n", addr); - return 1; -} - -/* Load a file. This is usually an srecord, which is ascii. No - protocol, just sent line by line. */ - -#define DOWNLOAD_LINE_SIZE 100 -static void -monitor_load (arg) - char *arg; -{ - FILE *download; - char buf[DOWNLOAD_LINE_SIZE]; - int i, bytes_read; - - if (kiodebug) - printf ("Loading %s to monitor\n", arg); - - download = fopen (arg, "r"); - if (download == NULL) - { - error (sprintf (buf, "%s Does not exist", arg)); - return; - } - - printf_monitor (LOAD_CMD); -/* expect ("Waiting for S-records from host... ", 1); */ - - while (!feof (download)) - { - bytes_read = fread (buf, sizeof (char), DOWNLOAD_LINE_SIZE, download); - if (hashmark) - { - putchar ('.'); - fflush (stdout); - } - - if (SERIAL_WRITE(monitor_desc, buf, bytes_read)) { - fprintf(stderr, "SERIAL_WRITE failed: (while downloading) %s\n", safe_strerror(errno)); - break; - } - i = 0; - while (i++ <=200000) {} ; /* Ugly HACK, probably needs flow control */ - if (bytes_read < DOWNLOAD_LINE_SIZE) - { - if (!feof (download)) - error ("Only read %d bytes\n", bytes_read); - break; - } - } - - if (hashmark) - { - putchar ('\n'); - } - if (!feof (download)) - error ("Never got EOF while downloading"); - fclose (download); -} - -/* Put a command string, in args, out to MONITOR. Output from MONITOR is placed - on the users terminal until the prompt is seen. */ - -static void -monitor_command (args, fromtty) - char *args; - int fromtty; -{ -#ifdef LOG_FILE - fprintf (log_file, "\nIn command (args=%s)\n", args); -#endif - if (monitor_desc == NULL) - error("monitor target not open."); - - if (!args) - error("Missing command."); - - printf_monitor("%s\r", args); - expect_prompt(0); -} - -#if 0 - -/* Connect the user directly to MONITOR. This command acts just like the - 'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */ - -static struct ttystate ttystate; - -static void -cleanup_tty() -{ printf("\r\n[Exiting connect mode]\r\n"); - /*SERIAL_RESTORE(0, &ttystate);*/ -} - -static void -connect_command (args, fromtty) - char *args; - int fromtty; -{ - fd_set readfds; - int numfds; - int c; - char cur_esc = 0; - - dont_repeat(); - - if (monitor_desc == NULL) - error("monitor target not open."); - - if (args) - fprintf("This command takes no args. They have been ignored.\n"); - - printf("[Entering connect mode. Use ~. or ~^D to escape]\n"); - - serial_raw(0, &ttystate); - - make_cleanup(cleanup_tty, 0); - - FD_ZERO(&readfds); - - while (1) - { - do - { - FD_SET(0, &readfds); - FD_SET(monitor_desc, &readfds); - numfds = select(sizeof(readfds)*8, &readfds, 0, 0, 0); - } - while (numfds == 0); - - if (numfds < 0) - perror_with_name("select"); - - if (FD_ISSET(0, &readfds)) - { /* tty input, send to monitor */ - c = getchar(); - if (c < 0) - perror_with_name("connect"); - - printf_monitor("%c", c); - switch (cur_esc) - { - case 0: - if (c == '\r') - cur_esc = c; - break; - case '\r': - if (c == '~') - cur_esc = c; - else - cur_esc = 0; - break; - case '~': - if (c == '.' || c == '\004') - return; - else - cur_esc = 0; - } - } - - if (FD_ISSET(monitor_desc, &readfds)) - { - while (1) - { - c = readchar(0); - if (c < 0) - break; - putchar(c); - } - fflush(stdout); - } - } -} -#endif - -/* - * Define the monitor command strings. Since these are passed directly - * through to a printf style function, we need can include formatting - * strings. We also need a CR or LF on the end. - */ -struct monitor_ops rom68k_cmds = { - "go \r", /* execute or usually GO command */ - "go \r", /* continue command */ - "st \r", /* single step */ - "db %x\r", /* set a breakpoint */ - "cb %x\r", /* clear a breakpoint */ - "pm %x\r", /* set memory to a value */ - "pm %x\r", /* display memory */ - "-%08X ", /* prompt memory commands use */ - "pr %s %x\r", /* set a register */ - ": ", /* delimiter between registers */ - "pr %s\r", /* read a register */ - "dc \r", /* download command */ - "ROM68K :->", /* monitor command prompt */ - "=", /* end-of-command delimitor */ - ".\r" /* optional command terminator */ -}; - -struct monitor_ops bug_cmds = { - "go \r", /* execute or usually GO command */ - "go \r", /* continue command */ - "gn \r", /* single step */ - "br %x\r", /* set a breakpoint */ - "nobr %x\r", /* clear a breakpoint */ - "mm %x\r", /* set memory to a value */ - "mm %x\r", /* display memory */ - "%08X", /* prompt memory commands use */ - "rs %s %x\r", /* set a register */ - "=", /* delimiter between registers */ - "rm %s\r", /* read a register */ - "lo 0\r", /* download command */ - "Bug>", /* monitor command prompt */ - "? ", /* end-of-command delimitor */ - ".\r" /* optional command terminator */ -}; - -/* Define the target subroutine names */ -struct monitor_ops mon68_cmds = { - "", /* execute or usually GO command */ - "", /* continue command */ - "", /* single step */ - "", /* set a breakpoint */ - "", /* clear a breakpoint */ - "", /* set memory to a value */ - "", /* display memory */ - "", /* set a register */ - "", /* delimiter between registers */ - "", /* read a register */ - "", /* download command */ - ">", /* monitor command prompt */ - "", /* end-of-command delimitor */ - "" /* optional command terminator */ -}; - -struct target_ops rom68k_ops = { - "rom68k", - "Integrated System's ROM68K remote debug monitor", - "Use a remote computer running the ROM68K debug monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya).", - rom68k_open, - monitor_close, - 0, - monitor_detach, - monitor_resume, - monitor_wait, - monitor_fetch_register, - monitor_store_register, - monitor_prepare_to_store, - monitor_xfer_inferior_memory, - monitor_files_info, - monitor_insert_breakpoint, - monitor_remove_breakpoint, /* Breakpoints */ - 0, - 0, - 0, - 0, - 0, /* Terminal handling */ - monitor_kill, - monitor_load, /* load */ - 0, /* lookup_symbol */ - monitor_create_inferior, - monitor_mourn_inferior, - 0, /* can_run */ - 0, /* notice_signals */ - process_stratum, - 0, /* next */ - 1, - 1, - 1, - 1, - 1, /* all mem, mem, stack, regs, exec */ - 0, - 0, /* Section pointers */ - OPS_MAGIC, /* Always the last thing */ -}; - -struct target_ops monitor_bug_ops = { - "bug", - "Motorola's BUG remote serial debug monitor", - "Use a remote computer running Motorola's BUG debug monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya).", - bug_open, - monitor_close, - 0, - monitor_detach, - monitor_resume, - monitor_wait, - monitor_fetch_register, - monitor_store_register, - monitor_prepare_to_store, - monitor_xfer_inferior_memory, - monitor_files_info, - monitor_insert_breakpoint, - monitor_remove_breakpoint, /* Breakpoints */ - 0, - 0, - 0, - 0, - 0, /* Terminal handling */ - monitor_kill, - monitor_load, /* load */ - 0, /* lookup_symbol */ - monitor_create_inferior, - monitor_mourn_inferior, - 0, /* can_run */ - 0, /* notice_signals */ - process_stratum, - 0, /* next */ - 1, - 1, - 1, - 1, - 1, /* all mem, mem, stack, regs, exec */ - 0, - 0, /* Section pointers */ - OPS_MAGIC, /* Always the last thing */ -}; - -struct target_ops mon68_ops = { - "mon68", - "Intermetric's MON68 remote serial debug monitor", - "Use a remote computer running the MON68 debug monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya).", - mon68_open, - monitor_close, - 0, - monitor_detach, - monitor_resume, - monitor_wait, - monitor_fetch_register, - monitor_store_register, - monitor_prepare_to_store, - monitor_xfer_inferior_memory, - monitor_files_info, - monitor_insert_breakpoint, - monitor_remove_breakpoint, /* Breakpoints */ - 0, - 0, - 0, - 0, - 0, /* Terminal handling */ - monitor_kill, - monitor_load, /* load */ - 0, /* lookup_symbol */ - monitor_create_inferior, - monitor_mourn_inferior, - 0, /* can_run */ - 0, /* notice_signals */ - process_stratum, - 0, /* next */ - 1, - 1, - 1, - 1, - 1, /* all mem, mem, stack, regs, exec */ - 0, - 0, /* Section pointers */ - OPS_MAGIC, /* Always the last thing */ -}; - -void -_initialize_remote_monitors () -{ - add_show_from_set ( - add_set_cmd ("remotedebug", no_class, var_boolean, - (char *)&kiodebug, - "Set debugging of I/O to a serial based Monitor.\n\ -When enabled, debugging info is displayed.", - &setlist), - &showlist); - add_show_from_set ( - add_set_cmd ("hash", no_class, var_boolean, - (char *)&hashmark, - "Set display of activity while downloading a file.\n\ -When enabled, a period \'.\' is displayed.", - &setlist), - &showlist); - - /* generic monitor command */ - add_com ("monitor <command>", class_obscure, monitor_command, - "Send a command to the debug monitor."); -#if 0 - add_com ("connect", class_obscure, connect_command, - "Connect the terminal directly up to a serial based command monitor.\n\ -Use <CR>~. or <CR>~^D to break out."); -#endif - - add_target (&rom68k_ops); -/* add_target (&mon68_ops); */ - add_target (&monitor_bug_ops); -} |