- /* Remote debugging interface for boot monitors, for GDB.
+/* Remote debugging interface for boot monitors, for GDB.
Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
of ROMBUG is not available yet.
*/
+/* FIXME This file needs to be rewritten if it's to work again, either
+ to self-contained or to use the new monitor interface. */
+
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "wait.h"
+#ifdef ANSI_PROTOTYPES
+#include <stdarg.h>
+#else
#include <varargs.h>
+#endif
#include <signal.h>
-#include <string.h>
+#include "gdb_string.h"
#include <sys/types.h>
#include "command.h"
#include "serial.h"
#include "objfiles.h"
#include "gdb-stabs.h"
-#ifdef HAVE_TERMIO
-# define TERMINAL struct termios
-#else
-# define TERMINAL struct sgttyb
-#endif
-
-struct monitor_ops *current_monitor;
struct cmd_list_element *showlist;
extern struct target_ops rombug_ops; /* Forward declaration */
extern struct monitor_ops rombug_cmds; /* Forward declaration */
#define LOG_FILE "monitor.log"
FILE *log_file;
static int monitor_log = 0;
+static int tty_xon = 0;
+static int tty_xoff = 0;
-static int timeout = 5;
+static int timeout = 10;
static int is_trace_mode = 0;
/* Descriptor for I/O to remote machine. Initialize it to NULL*/
static serial_t monitor_desc = NULL;
+static CORE_ADDR bufaddr = 0;
+static int buflen = 0;
+static char readbuf[16];
+
/* Send data to monitor. Works just like printf. */
static void
+#ifdef ANSI_PROTOTYPES
+printf_monitor(char *pattern, ...)
+#else
printf_monitor(va_alist)
va_dcl
+#endif
{
va_list args;
- char *pattern;
char buf[200];
int i;
+#ifdef ANSI_PROTOTYPES
+ va_start (args, pattern);
+#else
+ char *pattern;
va_start(args);
-
pattern = va_arg(args, char *);
+#endif
vsprintf(buf, pattern, args);
+ va_end(args);
if (SERIAL_WRITE(monitor_desc, buf, strlen(buf)))
fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno));
if (is_trace_mode) {
expect("trace", discard);
- is_trace_mode = 0;
} else {
expect (PROMPT, discard);
}
val = 0;
for (j = 0; j < 4; j++)
{
-#if TARGET_BYTE_ORDER == BIG_ENDIAN
- get_hex_byte(&b);
- val = (val << 8) + b;
-#else
- get_hex_byte(&b);
- val = val + (b << (j*8));
-#endif
+ get_hex_byte (&b);
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ val = (val << 8) + b;
+ else
+ val = val + (b << (j*8));
}
supply_register (regno++, (char *) &val);
}
{
int entry_pt;
- /* Nonzero value indicates that a process really is running. */
- inferior_pid = 9000;
-
if (args && *args)
error("Can't pass arguments to remote ROMBUG process");
if (execfile == 0 || exec_bfd == 0)
- error("No exec file specified");
+ error("No executable file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
perror_with_name ("RomBug");
}
SERIAL_RAW(monitor_desc);
+ if (tty_xon || tty_xoff)
+ {
+ struct hardware_ttystate { struct termios t;} *tty_s;
+
+ tty_s =(struct hardware_ttystate *)SERIAL_GET_TTY_STATE(monitor_desc);
+ if (tty_xon) tty_s->t.c_iflag |= IXON;
+ if (tty_xoff) tty_s->t.c_iflag |= IXOFF;
+ SERIAL_SET_TTY_STATE(monitor_desc, (serial_ttystate) tty_s);
+ }
rombug_is_open = 1;
push_monitor (&rombug_cmds);
printf_monitor("\r"); /* CR wakes up monitor */
expect_prompt(1);
-
push_target (&rombug_ops);
+ attach_flag = 1;
+
if (from_tty)
printf("Remote %s connected to %s\n", target_shortname,
dev_name);
- attach_flag = 1;
- inferior_pid = 9000;
rombug_fetch_registers();
+
+ printf_monitor ("ov e \r");
+ expect_prompt(1);
+ bufaddr = 0;
+ buflen = 0;
}
/*
if (attach_flag) {
printf_monitor (GO_CMD);
attach_flag = 0;
- inferior_pid = 0;
}
pop_target(); /* calls rombug_close to do the real work */
if (from_tty)
{
is_trace_mode = 1;
printf_monitor (STEP_CMD);
- /* wait for the echo. */
+ /* wait for the echo. **
expect (STEP_CMD, 1);
+ */
}
else
{
printf_monitor (GO_CMD);
- /* swallow the echo. */
+ /* swallow the echo. **
expect (GO_CMD, 1);
+ */
}
+ bufaddr = 0;
+ buflen= 0;
}
/*
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
- timeout = 0; /* Don't time out -- user program is running. */
+ timeout = -1; /* Don't time out -- user program is running. */
+ expect ("eax:", 0); /* output any message before register display */
expect_prompt(1); /* Wait for prompt, outputting extraneous text */
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
timeout = old_timeout;
rombug_fetch_registers();
+ bufaddr = 0;
+ buflen = 0;
pc = read_register(PC_REGNUM);
addr = read_register(DATABASE_REG);
obj_sec = find_pc_section (pc);
objfile_relocate(symfile_objfile, offs);
}
+
return 0;
}
if (regno < 0)
return ("");
/*
- for (p = reg_names[regno]; *p; p++)
+ for (p = REGISTER_NAME (regno); *p; p++)
*b++ = toupper(*p);
*b = '\000';
*/
- p = (char *)reg_names[regno];
+ p = (char *)REGISTER_NAME (regno);
return p;
/*
return buf;
val = 0;
for (j = 0; j < 2; j++)
{
-#if TARGET_BYTE_ORDER == BIG_ENDIAN
- get_hex_byte(&b);
- val = (val << 8) + b;
-#else
- get_hex_byte(&b);
- val = val + (b << (j*8));
-#endif
+ get_hex_byte (&b);
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ val = (val << 8) + b;
+ else
+ val = val + (b << (j*8));
}
if (regno == 8) i = 10;
supply_register(regno, (char *) &val);
}
}
+ is_trace_mode = 0;
expect_prompt (1);
}
val = 0;
for (j = 0; j < 2; j++)
{
-#if TARGET_BYTE_ORDER == BIG_ENDIAN
- get_hex_byte(&b);
- val = (val << 8) + b;
-#else
- get_hex_byte(&b);
- val = val + (b << (j*8));
-#endif
+ get_hex_byte (&b);
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ val = (val << 8) + b;
+ else
+ val = val + (b << (j*8));
}
supply_register (regno, (char *) &val);
}
if (name == 0) return;
printf_monitor (SET_REG, name, read_register (regno));
+ is_trace_mode = 0;
expect_prompt (1);
}
}
expect (CMD_DELIM, 1);
if (CMD_END)
printf_monitor (CMD_END);
+ is_trace_mode = 0;
expect_prompt (1);
+ bufaddr = 0;
+ buflen = 0;
return len;
}
int len;
{
int i, j;
- char buf[20];
/* Number of bytes read so far. */
int count;
errno = EIO;
return 0;
}
+ if (bufaddr <= memaddr && (memaddr+len) <= (bufaddr+buflen))
+ {
+ memcpy(myaddr, &readbuf[memaddr-bufaddr], len);
+ return len;
+ }
startaddr = memaddr;
count = 0;
if (sr_get_debug())
printf ("\nDisplay %d bytes at %x\n", len_this_pass, startaddr);
- printf_monitor (MEM_DIS_CMD, startaddr, 16);
+ printf_monitor (MEM_DIS_CMD, startaddr, 8);
expect ("- ", 1);
- for (i = 0; i < len_this_pass; i++)
+ for (i = 0; i < 16; i++)
{
- get_hex_byte (&myaddr[count++]);
- if (sr_get_debug())
- printf ("\nRead a 0x%x from 0x%x\n", myaddr[count-1], startaddr);
- startaddr += 1;
+ get_hex_byte (&readbuf[i]);
}
+ bufaddr = startaddr;
+ buflen = 16;
+ memcpy(&myaddr[count], readbuf, len_this_pass);
+ count += len_this_pass;
+ startaddr += len_this_pass;
expect(CMD_DELIM, 1);
}
if (CMD_END)
printf_monitor (CMD_END);
+ is_trace_mode = 0;
expect_prompt (1);
return len;
#define MAX_MONITOR_BREAKPOINTS 16
-extern int memory_breakpoint_size;
static CORE_ADDR breakaddr[MAX_MONITOR_BREAKPOINTS] = {0};
static int
char *shadow;
{
int i;
+ CORE_ADDR bp_addr = addr;
+ int bp_size = 0;
if (monitor_log)
fprintf (log_file, "\nIn Insert_breakpoint (addr=%x)\n", addr);
+ BREAKPOINT_FROM_PC (&bp_addr, &bp_size);
for (i = 0; i <= MAX_MONITOR_BREAKPOINTS; i++)
if (breakaddr[i] == 0)
breakaddr[i] = addr;
if (sr_get_debug())
printf ("Breakpoint at %x\n", addr);
- rombug_read_inferior_memory(addr, shadow, memory_breakpoint_size);
+ rombug_read_inferior_memory (bp_addr, shadow, bp_size);
printf_monitor(SET_BREAK_CMD, addr);
+ is_trace_mode = 0;
expect_prompt(1);
return 0;
}
{
breakaddr[i] = 0;
printf_monitor(CLR_BREAK_CMD, addr);
+ is_trace_mode = 0;
expect_prompt(1);
return 0;
}
error("Missing command.");
printf_monitor("%s\r", args);
- expect(CMD_DELIM, 0);
+ expect_prompt(0);
}
#if 0
* through to a printf style function, we need can include formatting
* strings. We also need a CR or LF on the end.
*/
+#warning FIXME: monitor interface pattern strings, stale struct decl
struct monitor_ops rombug_cmds = {
"g \r", /* execute or usually GO command */
"g \r", /* continue command */
".\r" /* optional command terminator */
};
-struct target_ops rombug_ops = {
- "rombug",
- "Microware's ROMBUG debug monitor",
- "Use a remote computer running the ROMBUG debug monitor.\n\
+struct target_ops rombug_ops ;
+
+static void
+init_rombug_ops(void)
+{
+ rombug_ops.to_shortname = "rombug";
+ rombug_ops.to_longname = "Microware's ROMBUG debug monitor";
+ rombug_ops.to_doc = "Use a remote computer running the ROMBUG debug monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).",
- rombug_open,
- rombug_close,
- 0,
- rombug_detach,
- rombug_resume,
- rombug_wait,
- rombug_fetch_register,
- rombug_store_register,
- rombug_prepare_to_store,
- rombug_xfer_inferior_memory,
- rombug_files_info,
- rombug_insert_breakpoint,
- rombug_remove_breakpoint, /* Breakpoints */
- 0,
- 0,
- 0,
- 0,
- 0, /* Terminal handling */
- rombug_kill,
- rombug_load, /* load */
- rombug_link, /* lookup_symbol */
- rombug_create_inferior,
- rombug_mourn_inferior,
- 0, /* can_run */
- 0, /* notice_signals */
- process_stratum,
- 0, /* next */
- 1,
- 1,
- 1,
- 1,
- 1, /* has execution */
- 0,
- 0, /* Section pointers */
- OPS_MAGIC, /* Always the last thing */
-};
+ rombug_ops.to_open = rombug_open;
+ rombug_ops.to_close = rombug_close;
+ rombug_ops.to_attach = 0;
+ rombug_ops.to_post_attach = NULL;
+ rombug_ops.to_require_attach = NULL;
+ rombug_ops.to_detach = rombug_detach;
+ rombug_ops.to_require_detach = NULL;
+ rombug_ops.to_resume = rombug_resume;
+ rombug_ops.to_wait = rombug_wait;
+ rombug_ops.to_post_wait = NULL;
+ rombug_ops.to_fetch_registers = rombug_fetch_register;
+ rombug_ops.to_store_registers = rombug_store_register;
+ rombug_ops.to_prepare_to_store = rombug_prepare_to_store;
+ rombug_ops.to_xfer_memory = rombug_xfer_inferior_memory;
+ rombug_ops.to_files_info = rombug_files_info;
+ rombug_ops.to_insert_breakpoint = rombug_insert_breakpoint;
+ rombug_ops.to_remove_breakpoint = rombug_remove_breakpoint; /* Breakpoints */
+ rombug_ops.to_terminal_init = 0;
+ rombug_ops.to_terminal_inferior = 0;
+ rombug_ops.to_terminal_ours_for_output = 0;
+ rombug_ops.to_terminal_ours = 0;
+ rombug_ops.to_terminal_info = 0; /* Terminal handling */
+ rombug_ops.to_kill = rombug_kill;
+ rombug_ops.to_load = rombug_load; /* load */
+ rombug_ops.to_lookup_symbol = rombug_link; /* lookup_symbol */
+ rombug_ops.to_create_inferior = rombug_create_inferior;
+ rombug_ops.to_post_startup_inferior = NULL;
+ rombug_ops.to_acknowledge_created_inferior = NULL;
+ rombug_ops.to_clone_and_follow_inferior = NULL;
+ rombug_ops.to_post_follow_inferior_by_clone = NULL;
+ rombug_ops.to_insert_fork_catchpoint = NULL;
+ rombug_ops.to_remove_fork_catchpoint = NULL;
+ rombug_ops.to_insert_vfork_catchpoint = NULL;
+ rombug_ops.to_remove_vfork_catchpoint = NULL;
+ rombug_ops.to_has_forked = NULL;
+ rombug_ops.to_has_vforked = NULL;
+ rombug_ops.to_can_follow_vfork_prior_to_exec = NULL;
+ rombug_ops.to_post_follow_vfork = NULL;
+ rombug_ops.to_insert_exec_catchpoint = NULL;
+ rombug_ops.to_remove_exec_catchpoint = NULL;
+ rombug_ops.to_has_execd = NULL;
+ rombug_ops.to_reported_exec_events_per_exec_call = NULL;
+ rombug_ops.to_has_exited = NULL;
+ rombug_ops.to_mourn_inferior = rombug_mourn_inferior;
+ rombug_ops.to_can_run = 0; /* can_run */
+ rombug_ops.to_notice_signals = 0; /* notice_signals */
+ rombug_ops.to_thread_alive = 0;
+ rombug_ops.to_stop = 0; /* to_stop */
+ rombug_ops.to_pid_to_exec_file = NULL;
+ rombug_ops.to_core_file_to_sym_file = NULL;
+ rombug_ops.to_stratum = process_stratum;
+ rombug_ops.DONT_USE = 0; /* next */
+ rombug_ops.to_has_all_memory = 1;
+ rombug_ops.to_has_memory = 1;
+ rombug_ops.to_has_stack = 1;
+ rombug_ops.to_has_registers = 1;
+ rombug_ops.to_has_execution = 1; /* has execution */
+ rombug_ops.to_sections = 0;
+ rombug_ops.to_sections_end = 0; /* Section pointers */
+ rombug_ops.to_magic = OPS_MAGIC; /* Always the last thing */
+}
void
_initialize_remote_os9k ()
{
+ init_rombug_ops() ;
add_target (&rombug_ops);
add_show_from_set (
&showlist);
add_show_from_set (
- add_set_cmd ("monitor_log", no_class, var_zinteger,
+ add_set_cmd ("remotelog", no_class, var_zinteger,
(char *) &monitor_log,
"Set monitor activity log on(=1) or off(=0).",
&setlist),
&showlist);
+ add_show_from_set (
+ add_set_cmd ("remotexon", no_class, var_zinteger,
+ (char *) &tty_xon,
+ "Set remote tty line XON control",
+ &setlist),
+ &showlist);
+
+ add_show_from_set (
+ add_set_cmd ("remotexoff", no_class, var_zinteger,
+ (char *) &tty_xoff,
+ "Set remote tty line XOFF control",
+ &setlist),
+ &showlist);
add_com ("rombug <command>", class_obscure, rombug_command,
"Send a command to the debug monitor.");
projects / deliverable / binutils-gdb.git / blobdiff