/* Remote debugging interface for boot monitors, for GDB.
- Copyright 1990, 1991, 1992, 1993, 1995, 1996
- Free Software Foundation, Inc.
+
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
Resurrected from the ashes by Stu Grossman.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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. */
/* This file was derived from various remote-* modules. It is a collection
of generic support functions so GDB can talk directly to a ROM based
monitor. This saves use from having to hack an exception based handler
- into existance, and makes for quick porting.
+ into existence, and makes for quick porting.
This module talks to a debug monitor called 'MONITOR', which
We communicate with MONITOR via either a direct serial line, or a TCP
#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 <ctype.h>
#include "gdb_string.h"
#include "monitor.h"
#include "gdbcmd.h"
#include "inferior.h"
-#include "gnu-regex.h"
-#include "dcache.h"
+#include "gdb_regex.h"
#include "srec.h"
+#include "regcache.h"
static char *dev_name;
static struct target_ops *targ_ops;
-static int readchar PARAMS ((int timeout));
-
-static void monitor_command PARAMS ((char *args, int fromtty));
-
-static void monitor_fetch_register PARAMS ((int regno));
-static void monitor_store_register PARAMS ((int regno));
-
-static void monitor_detach PARAMS ((char *args, int from_tty));
-static void monitor_resume PARAMS ((int pid, int step, enum target_signal sig));
-static void monitor_interrupt PARAMS ((int signo));
-static void monitor_interrupt_twice PARAMS ((int signo));
-static void monitor_interrupt_query PARAMS ((void));
-static void monitor_wait_cleanup PARAMS ((int old_timeout));
-
-static int monitor_wait PARAMS ((int pid, struct target_waitstatus *status));
-static void monitor_fetch_registers PARAMS ((int regno));
-static void monitor_store_registers PARAMS ((int regno));
-static void monitor_prepare_to_store PARAMS ((void));
-static int monitor_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len, int write, struct target_ops *target));
-static void monitor_files_info PARAMS ((struct target_ops *ops));
-static int monitor_insert_breakpoint PARAMS ((CORE_ADDR addr, char *shadow));
-static int monitor_remove_breakpoint PARAMS ((CORE_ADDR addr, char *shadow));
-static void monitor_kill PARAMS ((void));
-static void monitor_load PARAMS ((char *file, int from_tty));
-static void monitor_mourn_inferior PARAMS ((void));
-static void monitor_stop PARAMS ((void));
-static void monitor_debug PARAMS ((char *prefix, char *string, char *suffix));
-
-static int monitor_read_memory PARAMS ((CORE_ADDR addr, char *myaddr,int len));
-static int monitor_write_memory PARAMS ((CORE_ADDR addr, char *myaddr,int len));
-
-static int monitor_expect_regexp PARAMS ((struct re_pattern_buffer *pat,
- char *buf, int buflen));
-static int from_hex PARAMS ((int a));
-static unsigned long get_hex_word PARAMS ((void));
+static void monitor_vsprintf (char *sndbuf, char *pattern, va_list args);
+
+static int readchar (int timeout);
+
+static void monitor_fetch_register (int regno);
+static void monitor_store_register (int regno);
+
+static void monitor_printable_string (char *newstr, char *oldstr, int len);
+static void monitor_error (char *function, char *message, CORE_ADDR memaddr, int len, char *string, int final_char);
+static void monitor_detach (char *args, int from_tty);
+static void monitor_resume (ptid_t ptid, int step, enum target_signal sig);
+static void monitor_interrupt (int signo);
+static void monitor_interrupt_twice (int signo);
+static void monitor_interrupt_query (void);
+static void monitor_wait_cleanup (void *old_timeout);
+
+static ptid_t monitor_wait (ptid_t ptid, struct target_waitstatus *status);
+static void monitor_fetch_registers (int regno);
+static void monitor_store_registers (int regno);
+static void monitor_prepare_to_store (void);
+static int monitor_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write,
+ struct mem_attrib *attrib,
+ struct target_ops *target);
+static void monitor_files_info (struct target_ops *ops);
+static int monitor_insert_breakpoint (CORE_ADDR addr, char *shadow);
+static int monitor_remove_breakpoint (CORE_ADDR addr, char *shadow);
+static void monitor_kill (void);
+static void monitor_load (char *file, int from_tty);
+static void monitor_mourn_inferior (void);
+static void monitor_stop (void);
+
+static int monitor_read_memory (CORE_ADDR addr, char *myaddr, int len);
+static int monitor_write_memory (CORE_ADDR addr, char *myaddr, int len);
+static int monitor_write_memory_bytes (CORE_ADDR addr, char *myaddr, int len);
+static int monitor_write_memory_block (CORE_ADDR memaddr,
+ char *myaddr, int len);
+static int monitor_expect_regexp (struct re_pattern_buffer *pat,
+ char *buf, int buflen);
+static void monitor_dump_regs (void);
+#if 0
+static int from_hex (int a);
+static unsigned long get_hex_word (void);
+#endif
+static void parse_register_dump (char *, int);
static struct monitor_ops *current_monitor;
static int in_monitor_wait = 0; /* Non-zero means we are in monitor_wait() */
-static void (*ofunc)(); /* Old SIGINT signal handler */
+static void (*ofunc) (); /* Old SIGINT signal handler */
+
+static CORE_ADDR *breakaddr;
/* 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;
+static struct serial *monitor_desc = NULL;
/* Pointer to regexp pattern matching data */
static struct re_pattern_buffer getmem_resp_delim_pattern;
static char getmem_resp_delim_fastmap[256];
+static struct re_pattern_buffer setmem_resp_delim_pattern;
+static char setmem_resp_delim_fastmap[256];
+
+static struct re_pattern_buffer setreg_resp_delim_pattern;
+static char setreg_resp_delim_fastmap[256];
+
static int dump_reg_flag; /* Non-zero means do a dump_registers cmd when
monitor_wait wakes up. */
-static DCACHE *remote_dcache;
-static int first_time=0; /* is this the first time we're executing after
- gaving created the child proccess? */
+static int first_time = 0; /* is this the first time we're executing after
+ gaving created the child proccess? */
+
+#define TARGET_BUF_SIZE 2048
+
+/* Monitor specific debugging information. Typically only useful to
+ the developer of a new monitor interface. */
+
+static void monitor_debug (const char *fmt, ...) ATTR_FORMAT(printf, 1, 2);
+
+static int monitor_debug_p = 0;
-/* monitor_debug is like fputs_unfiltered, except it prints special
- characters in printable fashion. */
+/* NOTE: This file alternates between monitor_debug_p and remote_debug
+ when determining if debug information is printed. Perhaphs this
+ could be simplified. */
static void
-monitor_debug (prefix, string, suffix)
- char *prefix;
- char *string;
- char *suffix;
+monitor_debug (const char *fmt, ...)
+{
+ if (monitor_debug_p)
+ {
+ va_list args;
+ va_start (args, fmt);
+ vfprintf_filtered (gdb_stdlog, fmt, args);
+ va_end (args);
+ }
+}
+
+
+/* Convert a string into a printable representation, Return # byte in
+ the new string. When LEN is >0 it specifies the size of the
+ string. Otherwize strlen(oldstr) is used. */
+
+static void
+monitor_printable_string (char *newstr, char *oldstr, int len)
{
int ch;
+ int i;
- /* print prefix and suffix after each line */
- static int new_line=1;
- static char *prev_prefix = "";
- static char *prev_suffix = "";
+ if (len <= 0)
+ len = strlen (oldstr);
- /* if the prefix is changing, print the previous suffix, a new line,
- and the new prefix */
- if (strcmp(prev_prefix, prefix) != 0 && !new_line)
+ for (i = 0; i < len; i++)
{
- fputs_unfiltered (prev_suffix, gdb_stderr);
- fputs_unfiltered ("\n", gdb_stderr);
- fputs_unfiltered (prefix, gdb_stderr);
+ ch = oldstr[i];
+ switch (ch)
+ {
+ default:
+ if (isprint (ch))
+ *newstr++ = ch;
+
+ else
+ {
+ sprintf (newstr, "\\x%02x", ch & 0xff);
+ newstr += 4;
+ }
+ break;
+
+ case '\\':
+ *newstr++ = '\\';
+ *newstr++ = '\\';
+ break;
+ case '\b':
+ *newstr++ = '\\';
+ *newstr++ = 'b';
+ break;
+ case '\f':
+ *newstr++ = '\\';
+ *newstr++ = 't';
+ break;
+ case '\n':
+ *newstr++ = '\\';
+ *newstr++ = 'n';
+ break;
+ case '\r':
+ *newstr++ = '\\';
+ *newstr++ = 'r';
+ break;
+ case '\t':
+ *newstr++ = '\\';
+ *newstr++ = 't';
+ break;
+ case '\v':
+ *newstr++ = '\\';
+ *newstr++ = 'v';
+ break;
+ }
}
- prev_prefix = prefix;
- prev_suffix = suffix;
- /* print prefix if last char was a newline*/
+ *newstr++ = '\0';
+}
- if (new_line == 1) {
- fputs_unfiltered (prefix, gdb_stderr);
- new_line=0;
- }
- if (strchr(string,'\n')) /* save state for next call */
- new_line=1;
+/* Print monitor errors with a string, converting the string to printable
+ representation. */
- while ((ch = *string++) != '\0')
- {
- switch (ch) {
- default:
- if (isprint (ch))
- fputc_unfiltered (ch, gdb_stderr);
+static void
+monitor_error (char *function, char *message,
+ CORE_ADDR memaddr, int len, char *string, int final_char)
+{
+ int real_len = (len == 0 && string != (char *) 0) ? strlen (string) : len;
+ char *safe_string = alloca ((real_len * 4) + 1);
+ monitor_printable_string (safe_string, string, real_len);
- else
- fprintf_unfiltered (gdb_stderr, "\\%03o", ch);
+ if (final_char)
+ error ("%s (0x%s): %s: %s%c", function, paddr_nz (memaddr), message, safe_string, final_char);
+ else
+ error ("%s (0x%s): %s: %s", function, paddr_nz (memaddr), message, safe_string);
+}
- break;
+/* Convert hex digit A to a number. */
- case '\\': fputs_unfiltered ("\\\\", gdb_stderr); break;
- case '\b': fputs_unfiltered ("\\b", gdb_stderr); break;
- case '\f': fputs_unfiltered ("\\f", gdb_stderr); break;
- case '\n': fputs_unfiltered ("\\n", gdb_stderr); break;
- case '\r': fputs_unfiltered ("\\r", gdb_stderr); break;
- case '\t': fputs_unfiltered ("\\t", gdb_stderr); break;
- case '\v': fputs_unfiltered ("\\v", gdb_stderr); break;
- }
- }
+static int
+fromhex (int a)
+{
+ if (a >= '0' && a <= '9')
+ return a - '0';
+ else if (a >= 'a' && a <= 'f')
+ return a - 'a' + 10;
+ else if (a >= 'A' && a <= 'F')
+ return a - 'A' + 10;
+ else
+ error ("Invalid hex digit %d", a);
+}
- if (new_line==1) { /* print suffix if last char was a newline */
- fputs_unfiltered (suffix, gdb_stderr);
- fputs_unfiltered ("\n", gdb_stderr);
- }
+/* monitor_vsprintf - similar to vsprintf but handles 64-bit addresses
+
+ This function exists to get around the problem that many host platforms
+ don't have a printf that can print 64-bit addresses. The %A format
+ specification is recognized as a special case, and causes the argument
+ to be printed as a 64-bit hexadecimal address.
+
+ Only format specifiers of the form "[0-9]*[a-z]" are recognized.
+ If it is a '%s' format, the argument is a string; otherwise the
+ argument is assumed to be a long integer.
+
+ %% is also turned into a single %.
+ */
+
+static void
+monitor_vsprintf (char *sndbuf, char *pattern, va_list args)
+{
+ char format[10];
+ char fmt;
+ char *p;
+ int i;
+ long arg_int;
+ CORE_ADDR arg_addr;
+ char *arg_string;
+
+ for (p = pattern; *p; p++)
+ {
+ if (*p == '%')
+ {
+ /* Copy the format specifier to a separate buffer. */
+ format[0] = *p++;
+ for (i = 1; *p >= '0' && *p <= '9' && i < (int) sizeof (format) - 2;
+ i++, p++)
+ format[i] = *p;
+ format[i] = fmt = *p;
+ format[i + 1] = '\0';
+
+ /* Fetch the next argument and print it. */
+ switch (fmt)
+ {
+ case '%':
+ strcpy (sndbuf, "%");
+ break;
+ case 'A':
+ arg_addr = va_arg (args, CORE_ADDR);
+ strcpy (sndbuf, paddr_nz (arg_addr));
+ break;
+ case 's':
+ arg_string = va_arg (args, char *);
+ sprintf (sndbuf, format, arg_string);
+ break;
+ default:
+ arg_int = va_arg (args, long);
+ sprintf (sndbuf, format, arg_int);
+ break;
+ }
+ sndbuf += strlen (sndbuf);
+ }
+ else
+ *sndbuf++ = *p;
+ }
+ *sndbuf = '\0';
}
+
/* monitor_printf_noecho -- Send data to monitor, but don't expect an echo.
Works just like printf. */
void
-#ifdef ANSI_PROTOTYPES
-monitor_printf_noecho (char *pattern, ...)
-#else
-monitor_printf_noecho (va_alist)
- va_dcl
-#endif
+monitor_printf_noecho (char *pattern,...)
{
va_list args;
char sndbuf[2000];
int len;
-#if ANSI_PROTOTYPES
va_start (args, pattern);
-#else
- char *pattern;
- va_start (args);
- pattern = va_arg (args, char *);
-#endif
- vsprintf (sndbuf, pattern, args);
-
- if (remote_debug > 0)
- monitor_debug ("sent -->", sndbuf, "<--");
+ monitor_vsprintf (sndbuf, pattern, args);
len = strlen (sndbuf);
-
if (len + 1 > sizeof sndbuf)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
- if (SERIAL_WRITE(monitor_desc, sndbuf, len))
- fprintf_unfiltered (stderr, "SERIAL_WRITE failed: %s\n", safe_strerror (errno));
+ if (monitor_debug_p)
+ {
+ char *safe_string = (char *) alloca ((strlen (sndbuf) * 4) + 1);
+ monitor_printable_string (safe_string, sndbuf, 0);
+ fprintf_unfiltered (gdb_stdlog, "sent[%s]\n", safe_string);
+ }
+
+ monitor_write (sndbuf, len);
}
/* monitor_printf -- Send data to monitor and check the echo. Works just like
printf. */
void
-#ifdef ANSI_PROTOTYPES
-monitor_printf (char *pattern, ...)
-#else
-monitor_printf (va_alist)
- va_dcl
-#endif
+monitor_printf (char *pattern,...)
{
va_list args;
char sndbuf[2000];
int len;
-#ifdef ANSI_PROTOTYPES
va_start (args, pattern);
-#else
- char *pattern;
- va_start (args);
- pattern = va_arg (args, char *);
-#endif
-
- vsprintf (sndbuf, pattern, args);
- if (remote_debug > 0)
- monitor_debug ("sent -->", sndbuf, "<--");
+ monitor_vsprintf (sndbuf, pattern, args);
len = strlen (sndbuf);
-
if (len + 1 > sizeof sndbuf)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
+
+ if (monitor_debug_p)
+ {
+ char *safe_string = (char *) alloca ((len * 4) + 1);
+ monitor_printable_string (safe_string, sndbuf, 0);
+ fprintf_unfiltered (gdb_stdlog, "sent[%s]\n", safe_string);
+ }
- if (SERIAL_WRITE(monitor_desc, sndbuf, len))
- fprintf_unfiltered (stderr, "SERIAL_WRITE failed: %s\n", safe_strerror (errno));
+ monitor_write (sndbuf, len);
/* We used to expect that the next immediate output was the characters we
just output, but sometimes some extra junk appeared before the characters
we expected, like an extra prompt, or a portmaster sending telnet negotiations.
So, just start searching for what we sent, and skip anything unknown. */
- monitor_expect (sndbuf, (char *)0, 0);
+ monitor_debug ("ExpectEcho\n");
+ monitor_expect (sndbuf, (char *) 0, 0);
+}
+
+
+/* Write characters to the remote system. */
+
+void
+monitor_write (char *buf, int buflen)
+{
+ if (serial_write (monitor_desc, buf, buflen))
+ fprintf_unfiltered (gdb_stderr, "serial_write failed: %s\n",
+ safe_strerror (errno));
}
+
+/* Read a binary character from the remote system, doing all the fancy
+ timeout stuff, but without interpreting the character in any way,
+ and without printing remote debug information. */
+
+int
+monitor_readchar (void)
+{
+ int c;
+ int looping;
+
+ do
+ {
+ looping = 0;
+ c = serial_readchar (monitor_desc, timeout);
+
+ if (c >= 0)
+ c &= 0xff; /* don't lose bit 7 */
+ }
+ while (looping);
+
+ if (c >= 0)
+ return c;
+
+ if (c == SERIAL_TIMEOUT)
+ error ("Timeout reading from remote system.");
+
+ perror_with_name ("remote-monitor");
+}
+
+
/* Read a character from the remote system, doing all the fancy
timeout stuff. */
static int
-readchar (timeout)
- int timeout;
+readchar (int timeout)
{
int c;
- static enum { last_random, last_nl, last_cr, last_crnl } state = last_random;
+ static enum
+ {
+ last_random, last_nl, last_cr, last_crnl
+ }
+ state = last_random;
int looping;
do
{
looping = 0;
- c = SERIAL_READCHAR (monitor_desc, timeout);
+ c = serial_readchar (monitor_desc, timeout);
if (c >= 0)
{
c &= 0x7f;
- if (remote_debug > 0)
+ /* This seems to interfere with proper function of the
+ input stream */
+ if (monitor_debug_p || remote_debug)
{
char buf[2];
buf[0] = c;
buf[1] = '\0';
- monitor_debug ("read -->", buf, "<--");
+ puts_debug ("read -->", buf, "<--");
}
+
}
/* Canonicialize \n\r combinations into one \r */
return c;
if (c == SERIAL_TIMEOUT)
-#ifdef MAINTENANCE_CMDS
+#if 0
+ /* I fail to see how detaching here can be useful */
if (in_monitor_wait) /* Watchdog went off */
{
target_mourn_inferior ();
- error ("Watchdog has expired. Target detached.\n");
+ error ("GDB serial timeout has expired. Target detached.\n");
}
else
#endif
will be at the end of BUF. */
int
-monitor_expect (string, buf, buflen)
- char *string;
- char *buf;
- int buflen;
+monitor_expect (char *string, char *buf, int buflen)
{
char *p = string;
int obuflen = buflen;
int c;
extern struct target_ops *targ_ops;
- immediate_quit = 1;
+ if (monitor_debug_p)
+ {
+ char *safe_string = (char *) alloca ((strlen (string) * 4) + 1);
+ monitor_printable_string (safe_string, string, 0);
+ fprintf_unfiltered (gdb_stdlog, "MON Expecting '%s'\n", safe_string);
+ }
+
+ immediate_quit++;
while (1)
{
if (buf)
if (buflen < 2)
{
*buf = '\000';
- immediate_quit = 0;
+ immediate_quit--;
return -1;
}
c = readchar (timeout);
/* Don't expect any ^C sent to be echoed */
-
+
if (*p == '\003' || c == *p)
{
p++;
if (*p == '\0')
{
- immediate_quit = 0;
+ immediate_quit--;
if (buf)
{
return 0;
}
}
- else if ((c == '\021' || c == '\023') &&
- (strcmp(targ_ops->to_shortname, "m32r") == 0))
- { /* m32r monitor emits random DC1/DC3 chars */
- continue;
- }
+#if 0
+ // OBSOLETE else if ((c == '\021' || c == '\023') &&
+ // OBSOLETE (STREQ (targ_ops->to_shortname, "m32r")
+ // OBSOLETE || STREQ (targ_ops->to_shortname, "mon2000")))
+ // OBSOLETE { /* m32r monitor emits random DC1/DC3 chars */
+ // OBSOLETE continue;
+ // OBSOLETE }
+#endif
else
{
- p = string;
- if (c == *p)
- p++;
+ /* We got a character that doesn't match the string. We need to
+ back up p, but how far? If we're looking for "..howdy" and the
+ monitor sends "...howdy"? There's certainly a match in there,
+ but when we receive the third ".", we won't find it if we just
+ restart the matching at the beginning of the string.
+
+ This is a Boyer-Moore kind of situation. We want to reset P to
+ the end of the longest prefix of STRING that is a suffix of
+ what we've read so far. In the example above, that would be
+ ".." --- the longest prefix of "..howdy" that is a suffix of
+ "...". This longest prefix could be the empty string, if C
+ is nowhere to be found in STRING.
+
+ If this longest prefix is not the empty string, it must contain
+ C, so let's search from the end of STRING for instances of C,
+ and see if the portion of STRING before that is a suffix of
+ what we read before C. Actually, we can search backwards from
+ p, since we know no prefix can be longer than that.
+
+ Note that we can use STRING itself, along with C, as a record
+ of what we've received so far. :) */
+ int i;
+
+ for (i = (p - string) - 1; i >= 0; i--)
+ if (string[i] == c)
+ {
+ /* Is this prefix a suffix of what we've read so far?
+ In other words, does
+ string[0 .. i-1] == string[p - i, p - 1]? */
+ if (! memcmp (string, p - i, i))
+ {
+ p = string + i + 1;
+ break;
+ }
+ }
+ if (i < 0)
+ p = string;
}
}
}
/* Search for a regexp. */
static int
-monitor_expect_regexp (pat, buf, buflen)
- struct re_pattern_buffer *pat;
- char *buf;
- int buflen;
+monitor_expect_regexp (struct re_pattern_buffer *pat, char *buf, int buflen)
{
char *mybuf;
char *p;
-
+ monitor_debug ("MON Expecting regexp\n");
if (buf)
mybuf = buf;
else
{
- mybuf = alloca (1024);
- buflen = 1024;
+ mybuf = alloca (TARGET_BUF_SIZE);
+ buflen = TARGET_BUF_SIZE;
}
p = mybuf;
getting into states from which we can't recover. */
int
-monitor_expect_prompt (buf, buflen)
- char *buf;
- int buflen;
+monitor_expect_prompt (char *buf, int buflen)
{
+ monitor_debug ("MON Expecting prompt\n");
return monitor_expect (current_monitor->prompt, buf, buflen);
}
/* Get N 32-bit words from remote, each preceded by a space, and put
them in registers starting at REGNO. */
+#if 0
static unsigned long
-get_hex_word ()
+get_hex_word (void)
{
unsigned long val;
int i;
do
ch = readchar (timeout);
- while (isspace(ch));
+ while (isspace (ch));
val = from_hex (ch);
return val;
}
+#endif
static void
-compile_pattern (pattern, compiled_pattern, fastmap)
- char *pattern;
- struct re_pattern_buffer *compiled_pattern;
- char *fastmap;
+compile_pattern (char *pattern, struct re_pattern_buffer *compiled_pattern,
+ char *fastmap)
{
int tmp;
- char *val;
+ const char *val;
compiled_pattern->fastmap = fastmap;
for communication. */
void
-monitor_open (args, mon_ops, from_tty)
- char *args;
- struct monitor_ops *mon_ops;
- int from_tty;
+monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty)
{
char *name;
- int i;
char **p;
if (mon_ops->magic != MONITOR_OPS_MAGIC)
compile_pattern (mon_ops->getmem.resp_delim, &getmem_resp_delim_pattern,
getmem_resp_delim_fastmap);
+ if (mon_ops->setmem.resp_delim)
+ compile_pattern (mon_ops->setmem.resp_delim, &setmem_resp_delim_pattern,
+ setmem_resp_delim_fastmap);
+
+ if (mon_ops->setreg.resp_delim)
+ compile_pattern (mon_ops->setreg.resp_delim, &setreg_resp_delim_pattern,
+ setreg_resp_delim_fastmap);
+
unpush_target (targ_ops);
if (dev_name)
- free (dev_name);
- dev_name = strsave (args);
+ xfree (dev_name);
+ dev_name = xstrdup (args);
- monitor_desc = SERIAL_OPEN (dev_name);
+ monitor_desc = serial_open (dev_name);
if (!monitor_desc)
perror_with_name (dev_name);
if (baud_rate != -1)
{
- if (SERIAL_SETBAUDRATE (monitor_desc, baud_rate))
+ if (serial_setbaudrate (monitor_desc, baud_rate))
{
- SERIAL_CLOSE (monitor_desc);
+ serial_close (monitor_desc);
perror_with_name (dev_name);
}
}
-
- SERIAL_RAW (monitor_desc);
- SERIAL_FLUSH_INPUT (monitor_desc);
+ serial_raw (monitor_desc);
+
+ serial_flush_input (monitor_desc);
/* some systems only work with 2 stop bits */
- SERIAL_SETSTOPBITS (monitor_desc, mon_ops->stopbits);
+ serial_setstopbits (monitor_desc, mon_ops->stopbits);
current_monitor = mon_ops;
{
monitor_stop ();
if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0)
- {
- monitor_expect_prompt (NULL, 0);
- }
+ {
+ monitor_debug ("EXP Open echo\n");
+ monitor_expect_prompt (NULL, 0);
+ }
}
/* wake up the monitor and see if it's alive */
for (p = mon_ops->init; *p != NULL; p++)
{
/* Some of the characters we send may not be echoed,
- but we hope to get a prompt at the end of it all. */
-
+ but we hope to get a prompt at the end of it all. */
+
if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0)
- monitor_printf(*p);
+ monitor_printf (*p);
else
- monitor_printf_noecho (*p);
+ monitor_printf_noecho (*p);
monitor_expect_prompt (NULL, 0);
}
- SERIAL_FLUSH_INPUT (monitor_desc);
+ serial_flush_input (monitor_desc);
+
+ /* Alloc breakpoints */
+ if (mon_ops->set_break != NULL)
+ {
+ if (mon_ops->num_breakpoints == 0)
+ mon_ops->num_breakpoints = 8;
+
+ breakaddr = (CORE_ADDR *) xmalloc (mon_ops->num_breakpoints * sizeof (CORE_ADDR));
+ memset (breakaddr, 0, mon_ops->num_breakpoints * sizeof (CORE_ADDR));
+ }
/* Remove all breakpoints */
push_target (targ_ops);
- inferior_pid = 42000; /* Make run command think we are busy... */
+ inferior_ptid = pid_to_ptid (42000); /* Make run command think we are busy... */
/* Give monitor_wait something to read */
monitor_printf (current_monitor->line_term);
- remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory);
-
start_remote ();
}
control. */
void
-monitor_close (quitting)
- int quitting;
+monitor_close (int quitting)
{
if (monitor_desc)
- SERIAL_CLOSE (monitor_desc);
+ serial_close (monitor_desc);
+
+ /* Free breakpoint memory */
+ if (breakaddr != NULL)
+ {
+ xfree (breakaddr);
+ breakaddr = NULL;
+ }
+
monitor_desc = NULL;
}
when you want to detach and do something else with your gdb. */
static void
-monitor_detach (args, from_tty)
- char *args;
- int from_tty;
+monitor_detach (char *args, int from_tty)
{
pop_target (); /* calls monitor_close to do the real work */
if (from_tty)
/* Convert VALSTR into the target byte-ordered value of REGNO and store it. */
char *
-monitor_supply_register (regno, valstr)
- int regno;
- char *valstr;
+monitor_supply_register (int regno, char *valstr)
{
- unsigned int val;
- unsigned char regbuf[MAX_REGISTER_RAW_SIZE];
+ ULONGEST val;
+ unsigned char regbuf[MAX_REGISTER_SIZE];
char *p;
- val = strtoul (valstr, &p, 16);
+ val = 0;
+ p = valstr;
+ while (p && *p != '\0')
+ {
+ if (*p == '\r' || *p == '\n')
+ {
+ while (*p != '\0')
+ p++;
+ break;
+ }
+ if (isspace (*p))
+ {
+ p++;
+ continue;
+ }
+ if (!isxdigit (*p) && *p != 'x')
+ {
+ break;
+ }
+
+ val <<= 4;
+ val += fromhex (*p++);
+ }
+ monitor_debug ("Supplying Register %d %s\n", regno, valstr);
if (val == 0 && valstr == p)
error ("monitor_supply_register (%d): bad value from monitor: %s.",
/* Tell the remote machine to resume. */
static void
-monitor_resume (pid, step, sig)
- int pid, step;
- enum target_signal sig;
+monitor_resume (ptid_t ptid, int step, enum target_signal sig)
{
/* Some monitors require a different command when starting a program */
+ monitor_debug ("MON resume\n");
if (current_monitor->flags & MO_RUN_FIRST_TIME && first_time == 1)
{
first_time = 0;
monitor_printf ("run\r");
if (current_monitor->flags & MO_NEED_REGDUMP_AFTER_CONT)
- dump_reg_flag = 1;
+ dump_reg_flag = 1;
return;
}
- dcache_flush (remote_dcache);
if (step)
monitor_printf (current_monitor->step);
else
{
- monitor_printf (current_monitor->cont);
+ if (current_monitor->continue_hook)
+ (*current_monitor->continue_hook) ();
+ else
+ monitor_printf (current_monitor->cont);
if (current_monitor->flags & MO_NEED_REGDUMP_AFTER_CONT)
dump_reg_flag = 1;
}
form REG=VAL. Each description is split up into a name and a value
string which are passed down to monitor specific code. */
-static char *
-parse_register_dump (buf, len)
- char *buf;
- int len;
+static void
+parse_register_dump (char *buf, int len)
{
+ monitor_debug ("MON Parsing register dump\n");
while (1)
{
int regnamelen, vallen;
char *regname, *val;
/* Element 0 points to start of register name, and element 1
- points to the start of the register value. */
+ points to the start of the register value. */
struct re_registers register_strings;
+ memset (®ister_strings, 0, sizeof (struct re_registers));
+
if (re_search (®ister_pattern, buf, len, 0, len,
®ister_strings) == -1)
break;
packet. */
static void
-monitor_interrupt (signo)
- int signo;
+monitor_interrupt (int signo)
{
/* If this doesn't work, try more severe steps. */
signal (signo, monitor_interrupt_twice);
-
- if (remote_debug)
- printf_unfiltered ("monitor_interrupt called\n");
+
+ if (monitor_debug_p || remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "monitor_interrupt called\n");
target_stop ();
}
/* The user typed ^C twice. */
static void
-monitor_interrupt_twice (signo)
- int signo;
+monitor_interrupt_twice (int signo)
{
signal (signo, ofunc);
-
+
monitor_interrupt_query ();
signal (signo, monitor_interrupt);
/* Ask the user what to do when an interrupt is received. */
static void
-monitor_interrupt_query ()
+monitor_interrupt_query (void)
{
target_terminal_ours ();
Give up (and stop debugging it)? "))
{
target_mourn_inferior ();
- return_to_top_level (RETURN_QUIT);
+ throw_exception (RETURN_QUIT);
}
target_terminal_inferior ();
}
static void
-monitor_wait_cleanup (old_timeout)
- int old_timeout;
+monitor_wait_cleanup (void *old_timeout)
{
- timeout = old_timeout;
+ timeout = *(int *) old_timeout;
signal (SIGINT, ofunc);
in_monitor_wait = 0;
}
+
+
+void
+monitor_wait_filter (char *buf,
+ int bufmax,
+ int *ext_resp_len,
+ struct target_waitstatus *status
+)
+{
+ int resp_len;
+ do
+ {
+ resp_len = monitor_expect_prompt (buf, bufmax);
+ *ext_resp_len = resp_len;
+
+ if (resp_len <= 0)
+ fprintf_unfiltered (gdb_stderr, "monitor_wait: excessive response from monitor: %s.", buf);
+ }
+ while (resp_len < 0);
+
+ /* Print any output characters that were preceded by ^O. */
+ /* FIXME - This would be great as a user settabgle flag */
+ if (monitor_debug_p || remote_debug
+ || current_monitor->flags & MO_PRINT_PROGRAM_OUTPUT)
+ {
+ int i;
+
+ for (i = 0; i < resp_len - 1; i++)
+ if (buf[i] == 0x0f)
+ putchar_unfiltered (buf[++i]);
+ }
+}
+
+
+
/* Wait until the remote machine stops, then return, storing status in
status just as `wait' would. */
-static int
-monitor_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+monitor_wait (ptid_t ptid, struct target_waitstatus *status)
{
int old_timeout = timeout;
- char buf[1024];
+ char buf[TARGET_BUF_SIZE];
int resp_len;
struct cleanup *old_chain;
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
- old_chain = make_cleanup (monitor_wait_cleanup, old_timeout);
+ old_chain = make_cleanup (monitor_wait_cleanup, &old_timeout);
+ monitor_debug ("MON wait\n");
-#ifdef MAINTENANCE_CMDS
- in_monitor_wait = 1;
+#if 0
+ /* This is somthing other than a maintenance command */
+ in_monitor_wait = 1;
timeout = watchdog > 0 ? watchdog : -1;
#else
timeout = -1; /* Don't time out -- user program is running. */
ofunc = (void (*)()) signal (SIGINT, monitor_interrupt);
+ if (current_monitor->wait_filter)
+ (*current_monitor->wait_filter) (buf, sizeof (buf), &resp_len, status);
+ else
+ monitor_wait_filter (buf, sizeof (buf), &resp_len, status);
+
+#if 0 /* Transferred to monitor wait filter */
do
{
resp_len = monitor_expect_prompt (buf, sizeof (buf));
}
while (resp_len < 0);
+ /* Print any output characters that were preceded by ^O. */
+ /* FIXME - This would be great as a user settabgle flag */
+ if (monitor_debug_p || remote_debug
+ || current_monitor->flags & MO_PRINT_PROGRAM_OUTPUT)
+ {
+ int i;
+
+ for (i = 0; i < resp_len - 1; i++)
+ if (buf[i] == 0x0f)
+ putchar_unfiltered (buf[++i]);
+ }
+#endif
+
signal (SIGINT, ofunc);
timeout = old_timeout;
-
+#if 0
if (dump_reg_flag && current_monitor->dump_registers)
{
dump_reg_flag = 0;
-
monitor_printf (current_monitor->dump_registers);
resp_len = monitor_expect_prompt (buf, sizeof (buf));
}
if (current_monitor->register_pattern)
parse_register_dump (buf, resp_len);
+#else
+ monitor_debug ("Wait fetching registers after stop\n");
+ monitor_dump_regs ();
+#endif
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
in_monitor_wait = 0;
- return inferior_pid;
+ return inferior_ptid;
}
/* Fetch register REGNO, or all registers if REGNO is -1. Returns
errno value. */
static void
-monitor_fetch_register (regno)
- int regno;
+monitor_fetch_register (int regno)
{
- char *name;
- static char zerobuf[MAX_REGISTER_RAW_SIZE] = {0};
- char regbuf[MAX_REGISTER_RAW_SIZE * 2 + 1];
+ const char *name;
+ char *zerobuf;
+ char *regbuf;
int i;
- name = current_monitor->regnames[regno];
+ regbuf = alloca (MAX_REGISTER_SIZE * 2 + 1);
+ zerobuf = alloca (MAX_REGISTER_SIZE);
+ memset (zerobuf, 0, MAX_REGISTER_SIZE);
+
+ if (current_monitor->regname != NULL)
+ name = current_monitor->regname (regno);
+ else
+ name = current_monitor->regnames[regno];
+ monitor_debug ("MON fetchreg %d '%s'\n", regno, name ? name : "(null name)");
- if (!name)
+ if (!name || (*name == '\0'))
{
+ monitor_debug ("No register known for %d\n", regno);
supply_register (regno, zerobuf);
return;
}
searching from the start of the buf. */
if (current_monitor->getreg.resp_delim)
- monitor_expect (current_monitor->getreg.resp_delim, NULL, 0);
+ {
+ monitor_debug ("EXP getreg.resp_delim\n");
+ monitor_expect (current_monitor->getreg.resp_delim, NULL, 0);
+ /* Handle case of first 32 registers listed in pairs. */
+ if (current_monitor->flags & MO_32_REGS_PAIRED
+ && (regno & 1) != 0 && regno < 32)
+ {
+ monitor_debug ("EXP getreg.resp_delim\n");
+ monitor_expect (current_monitor->getreg.resp_delim, NULL, 0);
+ }
+ }
/* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set */
- if (current_monitor->flags & MO_HEX_PREFIX)
+ if (current_monitor->flags & MO_HEX_PREFIX)
{
int c;
c = readchar (timeout);
if ((c == '0') && ((c = readchar (timeout)) == 'x'))
;
else
- error ("Bad value returned from monitor while fetching register %x.",
- regno);
+ error ("Bad value returned from monitor while fetching register %x.",
+ regno);
}
/* Read upto the maximum number of hex digits for this register, skipping
}
regbuf[i] = '\000'; /* terminate the number */
+ monitor_debug ("REGVAL '%s'\n", regbuf);
/* If TERM is present, we wait for that to show up. Also, (if TERM
is present), we will send TERM_CMD if that is present. In any
if (current_monitor->getreg.term)
{
- monitor_expect (current_monitor->getreg.term, NULL, 0); /* get response */
+ monitor_debug ("EXP getreg.term\n");
+ monitor_expect (current_monitor->getreg.term, NULL, 0); /* get response */
+ }
- if (current_monitor->getreg.term_cmd)
- {
- monitor_printf (current_monitor->getreg.term_cmd);
- monitor_expect_prompt (NULL, 0);
- }
+ if (current_monitor->getreg.term_cmd)
+ {
+ monitor_debug ("EMIT getreg.term.cmd\n");
+ monitor_printf (current_monitor->getreg.term_cmd);
}
- else
- monitor_expect_prompt (NULL, 0); /* get response */
+ if (!current_monitor->getreg.term || /* Already expected or */
+ current_monitor->getreg.term_cmd) /* ack expected */
+ monitor_expect_prompt (NULL, 0); /* get response */
monitor_supply_register (regno, regbuf);
}
+/* Sometimes, it takes several commands to dump the registers */
+/* This is a primitive for use by variations of monitor interfaces in
+ case they need to compose the operation.
+ */
+int
+monitor_dump_reg_block (char *block_cmd)
+{
+ char buf[TARGET_BUF_SIZE];
+ int resp_len;
+ monitor_printf (block_cmd);
+ resp_len = monitor_expect_prompt (buf, sizeof (buf));
+ parse_register_dump (buf, resp_len);
+ return 1;
+}
+
+
/* Read the remote registers into the block regs. */
+/* Call the specific function if it has been provided */
-static void monitor_dump_regs ()
+static void
+monitor_dump_regs (void)
{
- char buf[1024];
+ char buf[TARGET_BUF_SIZE];
int resp_len;
-
- if (current_monitor->dump_registers)
+ if (current_monitor->dumpregs)
+ (*(current_monitor->dumpregs)) (); /* call supplied function */
+ else if (current_monitor->dump_registers) /* default version */
{
monitor_printf (current_monitor->dump_registers);
resp_len = monitor_expect_prompt (buf, sizeof (buf));
parse_register_dump (buf, resp_len);
}
else
- abort(); /* Need some way to read registers */
+ internal_error (__FILE__, __LINE__, "failed internal consistency check"); /* Need some way to read registers */
}
static void
-monitor_fetch_registers (regno)
- int regno;
+monitor_fetch_registers (int regno)
{
- if (current_monitor->getreg.cmd)
+ monitor_debug ("MON fetchregs\n");
+ if (current_monitor->getreg.cmd)
{
if (regno >= 0)
{
for (regno = 0; regno < NUM_REGS; regno++)
monitor_fetch_register (regno);
}
- else {
- monitor_dump_regs ();
- }
+ else
+ {
+ monitor_dump_regs ();
+ }
}
/* Store register REGNO, or all if REGNO == 0. Return errno value. */
static void
-monitor_store_register (regno)
- int regno;
+monitor_store_register (int regno)
{
- char *name;
- unsigned int val;
-
- name = current_monitor->regnames[regno];
- if (!name)
- return;
+ const char *name;
+ ULONGEST val;
+
+ if (current_monitor->regname != NULL)
+ name = current_monitor->regname (regno);
+ else
+ name = current_monitor->regnames[regno];
+
+ if (!name || (*name == '\0'))
+ {
+ monitor_debug ("MON Cannot store unknown register\n");
+ return;
+ }
val = read_register (regno);
+ monitor_debug ("MON storeg %d %s\n", regno,
+ phex (val, REGISTER_RAW_SIZE (regno)));
- /* send the register deposit command */
+ /* send the register deposit command */
if (current_monitor->flags & MO_REGISTER_VALUE_FIRST)
monitor_printf (current_monitor->setreg.cmd, val, name);
+ else if (current_monitor->flags & MO_SETREG_INTERACTIVE)
+ monitor_printf (current_monitor->setreg.cmd, name);
else
monitor_printf (current_monitor->setreg.cmd, name, val);
-/* It's possible that there are actually some monitors out there that
- will prompt you when you set a register. In that case, you may
- need to add some code here to deal with TERM and TERM_CMD (see
- monitor_fetch_register to get an idea of what's needed...) */
-
- monitor_expect_prompt (NULL, 0);
-}
+ if (current_monitor->setreg.resp_delim)
+ {
+ monitor_debug ("EXP setreg.resp_delim\n");
+ monitor_expect_regexp (&setreg_resp_delim_pattern, NULL, 0);
+ if (current_monitor->flags & MO_SETREG_INTERACTIVE)
+ monitor_printf ("%s\r", paddr_nz (val));
+ }
+ if (current_monitor->setreg.term)
+ {
+ monitor_debug ("EXP setreg.term\n");
+ monitor_expect (current_monitor->setreg.term, NULL, 0);
+ if (current_monitor->flags & MO_SETREG_INTERACTIVE)
+ monitor_printf ("%s\r", paddr_nz (val));
+ monitor_expect_prompt (NULL, 0);
+ }
+ else
+ monitor_expect_prompt (NULL, 0);
+ if (current_monitor->setreg.term_cmd) /* Mode exit required */
+ {
+ monitor_debug ("EXP setreg_termcmd\n");
+ monitor_printf ("%s", current_monitor->setreg.term_cmd);
+ monitor_expect_prompt (NULL, 0);
+ }
+} /* monitor_store_register */
/* Store the remote registers. */
static void
-monitor_store_registers (regno)
- int regno;
+monitor_store_registers (int regno)
{
if (regno >= 0)
{
debugged. */
static void
-monitor_prepare_to_store ()
+monitor_prepare_to_store (void)
{
/* Do nothing, since we can store individual regs */
}
static void
-monitor_files_info (ops)
- struct target_ops *ops;
+monitor_files_info (struct target_ops *ops)
{
printf_unfiltered ("\tAttached to %s at %d baud.\n", dev_name, baud_rate);
}
static int
-monitor_write_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len)
{
- unsigned int val;
+ unsigned int val, hostval;
char *cmd;
int i;
+ monitor_debug ("MON write %d %s\n", len, paddr (memaddr));
+
+ if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
+ memaddr = ADDR_BITS_REMOVE (memaddr);
+
/* Use memory fill command for leading 0 bytes. */
if (current_monitor->fill)
if (i > 4) /* More than 4 zeros is worth doing */
{
+ monitor_debug ("MON FILL %d\n", i);
if (current_monitor->flags & MO_FILL_USES_ADDR)
- monitor_printf (current_monitor->fill, memaddr, memaddr + i, 0);
+ monitor_printf (current_monitor->fill, memaddr, (memaddr + i) - 1, 0);
else
monitor_printf (current_monitor->fill, memaddr, i, 0);
val = extract_unsigned_integer (myaddr, len);
+ if (len == 4)
+ {
+ hostval = *(unsigned int *) myaddr;
+ monitor_debug ("Hostval(%08x) val(%08x)\n", hostval, val);
+ }
+
+
if (current_monitor->flags & MO_NO_ECHO_ON_SETMEM)
monitor_printf_noecho (cmd, memaddr, val);
+ else if (current_monitor->flags & MO_SETMEM_INTERACTIVE)
+ {
+
+ monitor_printf_noecho (cmd, memaddr);
+
+ if (current_monitor->setmem.resp_delim)
+ {
+ monitor_debug ("EXP setmem.resp_delim");
+ monitor_expect_regexp (&setmem_resp_delim_pattern, NULL, 0);
+ monitor_printf ("%x\r", val);
+ }
+ if (current_monitor->setmem.term)
+ {
+ monitor_debug ("EXP setmem.term");
+ monitor_expect (current_monitor->setmem.term, NULL, 0);
+ monitor_printf ("%x\r", val);
+ }
+ if (current_monitor->setmem.term_cmd)
+ { /* Emit this to get out of the memory editing state */
+ monitor_printf ("%s", current_monitor->setmem.term_cmd);
+ /* Drop through to expecting a prompt */
+ }
+ }
else
monitor_printf (cmd, memaddr, val);
return len;
}
+
+static int
+monitor_write_even_block (CORE_ADDR memaddr, char *myaddr, int len)
+{
+ unsigned int val;
+ int written = 0;;
+ /* Enter the sub mode */
+ monitor_printf (current_monitor->setmem.cmdl, memaddr);
+ monitor_expect_prompt (NULL, 0);
+
+ while (len)
+ {
+ val = extract_unsigned_integer (myaddr, 4); /* REALLY */
+ monitor_printf ("%x\r", val);
+ myaddr += 4;
+ memaddr += 4;
+ written += 4;
+ monitor_debug (" @ %s\n", paddr (memaddr));
+ /* If we wanted to, here we could validate the address */
+ monitor_expect_prompt (NULL, 0);
+ }
+ /* Now exit the sub mode */
+ monitor_printf (current_monitor->getreg.term_cmd);
+ monitor_expect_prompt (NULL, 0);
+ return written;
+}
+
+
+static int
+monitor_write_memory_bytes (CORE_ADDR memaddr, char *myaddr, int len)
+{
+ unsigned char val;
+ int written = 0;
+ if (len == 0)
+ return 0;
+ /* Enter the sub mode */
+ monitor_printf (current_monitor->setmem.cmdb, memaddr);
+ monitor_expect_prompt (NULL, 0);
+ while (len)
+ {
+ val = *myaddr;
+ monitor_printf ("%x\r", val);
+ myaddr++;
+ memaddr++;
+ written++;
+ /* If we wanted to, here we could validate the address */
+ monitor_expect_prompt (NULL, 0);
+ len--;
+ }
+ /* Now exit the sub mode */
+ monitor_printf (current_monitor->getreg.term_cmd);
+ monitor_expect_prompt (NULL, 0);
+ return written;
+}
+
+
+static void
+longlongendswap (unsigned char *a)
+{
+ int i, j;
+ unsigned char x;
+ i = 0;
+ j = 7;
+ while (i < 4)
+ {
+ x = *(a + i);
+ *(a + i) = *(a + j);
+ *(a + j) = x;
+ i++, j--;
+ }
+}
+/* Format 32 chars of long long value, advance the pointer */
+static char *hexlate = "0123456789abcdef";
+static char *
+longlong_hexchars (unsigned long long value,
+ char *outbuff)
+{
+ if (value == 0)
+ {
+ *outbuff++ = '0';
+ return outbuff;
+ }
+ else
+ {
+ static unsigned char disbuf[8]; /* disassembly buffer */
+ unsigned char *scan, *limit; /* loop controls */
+ unsigned char c, nib;
+ int leadzero = 1;
+ scan = disbuf;
+ limit = scan + 8;
+ {
+ unsigned long long *dp;
+ dp = (unsigned long long *) scan;
+ *dp = value;
+ }
+ longlongendswap (disbuf); /* FIXME: ONly on big endian hosts */
+ while (scan < limit)
+ {
+ c = *scan++; /* a byte of our long long value */
+ if (leadzero)
+ {
+ if (c == 0)
+ continue;
+ else
+ leadzero = 0; /* henceforth we print even zeroes */
+ }
+ nib = c >> 4; /* high nibble bits */
+ *outbuff++ = hexlate[nib];
+ nib = c & 0x0f; /* low nibble bits */
+ *outbuff++ = hexlate[nib];
+ }
+ return outbuff;
+ }
+} /* longlong_hexchars */
+
+
+
+/* I am only going to call this when writing virtual byte streams.
+ Which possably entails endian conversions
+ */
+static int
+monitor_write_memory_longlongs (CORE_ADDR memaddr, char *myaddr, int len)
+{
+ static char hexstage[20]; /* At least 16 digits required, plus null */
+ char *endstring;
+ long long *llptr;
+ long long value;
+ int written = 0;
+ llptr = (unsigned long long *) myaddr;
+ if (len == 0)
+ return 0;
+ monitor_printf (current_monitor->setmem.cmdll, memaddr);
+ monitor_expect_prompt (NULL, 0);
+ while (len >= 8)
+ {
+ value = *llptr;
+ endstring = longlong_hexchars (*llptr, hexstage);
+ *endstring = '\0'; /* NUll terminate for printf */
+ monitor_printf ("%s\r", hexstage);
+ llptr++;
+ memaddr += 8;
+ written += 8;
+ /* If we wanted to, here we could validate the address */
+ monitor_expect_prompt (NULL, 0);
+ len -= 8;
+ }
+ /* Now exit the sub mode */
+ monitor_printf (current_monitor->getreg.term_cmd);
+ monitor_expect_prompt (NULL, 0);
+ return written;
+} /* */
+
+
+
+/* ----- MONITOR_WRITE_MEMORY_BLOCK ---------------------------- */
+/* This is for the large blocks of memory which may occur in downloading.
+ And for monitors which use interactive entry,
+ And for monitors which do not have other downloading methods.
+ Without this, we will end up calling monitor_write_memory many times
+ and do the entry and exit of the sub mode many times
+ This currently assumes...
+ MO_SETMEM_INTERACTIVE
+ ! MO_NO_ECHO_ON_SETMEM
+ To use this, the you have to patch the monitor_cmds block with
+ this function. Otherwise, its not tuned up for use by all
+ monitor variations.
+ */
+
+static int
+monitor_write_memory_block (CORE_ADDR memaddr, char *myaddr, int len)
+{
+ int written;
+ written = 0;
+ /* FIXME: This would be a good place to put the zero test */
+#if 1
+ if ((len > 8) && (((len & 0x07)) == 0) && current_monitor->setmem.cmdll)
+ {
+ return monitor_write_memory_longlongs (memaddr, myaddr, len);
+ }
+#endif
+#if 0
+ if (len > 4)
+ {
+ int sublen;
+ written = monitor_write_even_block (memaddr, myaddr, len);
+ /* Adjust calling parameters by written amount */
+ memaddr += written;
+ myaddr += written;
+ len -= written;
+ }
+#endif
+ written = monitor_write_memory_bytes (memaddr, myaddr, len);
+ return written;
+}
+
/* This is an alternate form of monitor_read_memory which is used for monitors
which can only read a single byte/word/etc. at a time. */
static int
-monitor_read_memory_single (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len)
{
unsigned int val;
- char membuf[sizeof(int) * 2 + 1];
+ char membuf[sizeof (int) * 2 + 1];
char *p;
char *cmd;
- int i;
+ monitor_debug ("MON read single\n");
#if 0
/* Can't actually use long longs (nice idea, though). In fact, the
call to strtoul below will fail if it tries to convert a value
searching from the start of the buf. */
if (current_monitor->getmem.resp_delim)
- monitor_expect_regexp (&getmem_resp_delim_pattern, NULL, 0);
+ {
+ monitor_debug ("EXP getmem.resp_delim\n");
+ monitor_expect_regexp (&getmem_resp_delim_pattern, NULL, 0);
+ }
/* Now, read the appropriate number of hex digits for this loc,
skipping spaces. */
/* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set. */
- if (current_monitor->flags & MO_HEX_PREFIX)
+ if (current_monitor->flags & MO_HEX_PREFIX)
{
int c;
if ((c == '0') && ((c = readchar (timeout)) == 'x'))
;
else
- error ("monitor_read_memory_single (0x%x): bad response from monitor: %.*s%c.",
- memaddr, i, membuf, c);
+ monitor_error ("monitor_read_memory_single",
+ "bad response from monitor",
+ memaddr, 0, NULL, 0);
}
- for (i = 0; i < len * 2; i++)
- {
- int c;
-
- while (1)
- {
- c = readchar (timeout);
- if (isxdigit (c))
- break;
- if (c == ' ')
- continue;
-
- error ("monitor_read_memory_single (0x%x): bad response from monitor: %.*s%c.",
- memaddr, i, membuf, c);
- }
+ {
+ int i;
+ for (i = 0; i < len * 2; i++)
+ {
+ int c;
+
+ while (1)
+ {
+ c = readchar (timeout);
+ if (isxdigit (c))
+ break;
+ if (c == ' ')
+ continue;
+
+ monitor_error ("monitor_read_memory_single",
+ "bad response from monitor",
+ memaddr, i, membuf, 0);
+ }
membuf[i] = c;
}
-
- membuf[i] = '\000'; /* terminate the number */
+ membuf[i] = '\000'; /* terminate the number */
+ }
/* If TERM is present, we wait for that to show up. Also, (if TERM is
present), we will send TERM_CMD if that is present. In any case, we collect
if (current_monitor->getmem.term)
{
- monitor_expect (current_monitor->getmem.term, NULL, 0); /* get response */
+ monitor_expect (current_monitor->getmem.term, NULL, 0); /* get response */
if (current_monitor->getmem.term_cmd)
{
}
}
else
- monitor_expect_prompt (NULL, 0); /* get response */
+ monitor_expect_prompt (NULL, 0); /* get response */
p = membuf;
val = strtoul (membuf, &p, 16);
if (val == 0 && membuf == p)
- error ("monitor_read_memory_single (0x%x): bad value from monitor: %s.",
- memaddr, membuf);
+ monitor_error ("monitor_read_memory_single",
+ "bad value from monitor",
+ memaddr, 0, membuf, 0);
/* supply register stores in target byte order, so swap here */
return len;
}
-/* Copy LEN bytes of data from debugger memory at MYADDR to inferior's memory
- at MEMADDR. Returns length moved. Currently, we only do one byte at a
- time. */
+/* Copy LEN bytes of data from debugger memory at MYADDR to inferior's
+ memory at MEMADDR. Returns length moved. Currently, we do no more
+ than 16 bytes at a time. */
static int
-monitor_read_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len)
{
unsigned int val;
- unsigned char regbuf[MAX_REGISTER_RAW_SIZE];
char buf[512];
char *p, *p1;
- char *name;
int resp_len;
int i;
+ CORE_ADDR dumpaddr;
+
+ if (len <= 0)
+ {
+ monitor_debug ("Zero length call to monitor_read_memory\n");
+ return 0;
+ }
+
+ monitor_debug ("MON read block ta(%s) ha(%lx) %d\n",
+ paddr_nz (memaddr), (long) myaddr, len);
+
+ if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
+ memaddr = ADDR_BITS_REMOVE (memaddr);
if (current_monitor->flags & MO_GETMEM_READ_SINGLE)
return monitor_read_memory_single (memaddr, myaddr, len);
len = min (len, 16);
+ /* Some dumpers align the first data with the preceeding 16
+ byte boundary. Some print blanks and start at the
+ requested boundary. EXACT_DUMPADDR
+ */
+
+ dumpaddr = (current_monitor->flags & MO_EXACT_DUMPADDR)
+ ? memaddr : memaddr & ~0x0f;
+
/* See if xfer would cross a 16 byte boundary. If so, clip it. */
if (((memaddr ^ (memaddr + len - 1)) & ~0xf) != 0)
len = ((memaddr + len) & ~0xf) - memaddr;
/* send the memory examine command */
if (current_monitor->flags & MO_GETMEM_NEEDS_RANGE)
- monitor_printf (current_monitor->getmem.cmdb, memaddr, memaddr + len - 1);
+ monitor_printf (current_monitor->getmem.cmdb, memaddr, memaddr + len);
+ else if (current_monitor->flags & MO_GETMEM_16_BOUNDARY)
+ monitor_printf (current_monitor->getmem.cmdb, dumpaddr);
else
monitor_printf (current_monitor->getmem.cmdb, memaddr, len);
if (current_monitor->getmem.term)
{
- resp_len = monitor_expect (current_monitor->getmem.term, buf, sizeof buf); /* get response */
+ resp_len = monitor_expect (current_monitor->getmem.term, buf, sizeof buf); /* get response */
if (resp_len <= 0)
- error ("monitor_read_memory (0x%x): excessive response from monitor: %.*s.",
- memaddr, resp_len, buf);
+ monitor_error ("monitor_read_memory",
+ "excessive response from monitor",
+ memaddr, resp_len, buf, 0);
if (current_monitor->getmem.term_cmd)
{
- SERIAL_WRITE (monitor_desc, current_monitor->getmem.term_cmd,
+ serial_write (monitor_desc, current_monitor->getmem.term_cmd,
strlen (current_monitor->getmem.term_cmd));
monitor_expect_prompt (NULL, 0);
}
}
else
- resp_len = monitor_expect_prompt (buf, sizeof buf); /* get response */
+ resp_len = monitor_expect_prompt (buf, sizeof buf); /* get response */
p = buf;
{
int retval, tmp;
struct re_registers resp_strings;
+ monitor_debug ("MON getmem.resp_delim %s\n", current_monitor->getmem.resp_delim);
+ memset (&resp_strings, 0, sizeof (struct re_registers));
tmp = strlen (p);
retval = re_search (&getmem_resp_delim_pattern, p, tmp, 0, tmp,
&resp_strings);
if (retval < 0)
- error ("monitor_read_memory (0x%x): bad response from monitor: %.*s.",
- memaddr, resp_len, buf);
+ monitor_error ("monitor_read_memory",
+ "bad response from monitor",
+ memaddr, resp_len, buf, 0);
p += resp_strings.end[0];
#if 0
p = strstr (p, current_monitor->getmem.resp_delim);
if (!p)
- error ("monitor_read_memory (0x%x): bad response from monitor: %.*s.",
- memaddr, resp_len, buf);
+ monitor_error ("monitor_read_memory",
+ "bad response from monitor",
+ memaddr, resp_len, buf, 0);
p += strlen (current_monitor->getmem.resp_delim);
#endif
}
+ monitor_debug ("MON scanning %d ,%lx '%s'\n", len, (long) p, p);
+ if (current_monitor->flags & MO_GETMEM_16_BOUNDARY)
+ {
+ char c;
+ int fetched = 0;
+ i = len;
+ c = *p;
+
+
+ while (!(c == '\000' || c == '\n' || c == '\r') && i > 0)
+ {
+ if (isxdigit (c))
+ {
+ if ((dumpaddr >= memaddr) && (i > 0))
+ {
+ val = fromhex (c) * 16 + fromhex (*(p + 1));
+ *myaddr++ = val;
+ if (monitor_debug_p || remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "[%02x]", val);
+ --i;
+ fetched++;
+ }
+ ++dumpaddr;
+ ++p;
+ }
+ ++p; /* skip a blank or other non hex char */
+ c = *p;
+ }
+ if (fetched == 0)
+ error ("Failed to read via monitor");
+ if (monitor_debug_p || remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "\n");
+ return fetched; /* Return the number of bytes actually read */
+ }
+ monitor_debug ("MON scanning bytes\n");
for (i = len; i > 0; i--)
{
{
if (isxdigit (*p))
break;
+
if (*p == '\000' || *p == '\n' || *p == '\r')
- error ("monitor_read_memory (0x%x): badly terminated response from monitor: %.*s", memaddr, resp_len, buf);
+ monitor_error ("monitor_read_memory",
+ "badly terminated response from monitor",
+ memaddr, resp_len, buf, 0);
p++;
}
val = strtoul (p, &p1, 16);
if (val == 0 && p == p1)
- error ("monitor_read_memory (0x%x): bad value from monitor: %.*s.", memaddr,
- resp_len, buf);
+ monitor_error ("monitor_read_memory",
+ "bad value from monitor",
+ memaddr, resp_len, buf, 0);
*myaddr++ = val;
return len;
}
+/* Transfer LEN bytes between target address MEMADDR and GDB address
+ MYADDR. Returns 0 for success, errno code for failure. TARGET is
+ unused. */
+
static int
-monitor_xfer_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
+monitor_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
- return dcache_xfer_memory (remote_dcache, memaddr, myaddr, len, write);
+ int res;
+
+ if (write)
+ {
+ if (current_monitor->flags & MO_HAS_BLOCKWRITES)
+ res = monitor_write_memory_block(memaddr, myaddr, len);
+ else
+ res = monitor_write_memory(memaddr, myaddr, len);
+ }
+ else
+ {
+ res = monitor_read_memory(memaddr, myaddr, len);
+ }
+
+ return res;
}
static void
-monitor_kill ()
+monitor_kill (void)
{
- return; /* ignore attempts to kill target system */
+ return; /* ignore attempts to kill target system */
}
/* All we actually do is set the PC to the start address of exec_bfd, and start
the program at that point. */
static void
-monitor_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+monitor_create_inferior (char *exec_file, char *args, char **env)
{
if (args && (*args != '\000'))
error ("Args are not supported by the monitor.");
instructions. */
static void
-monitor_mourn_inferior ()
+monitor_mourn_inferior (void)
{
unpush_target (targ_ops);
generic_mourn_inferior (); /* Do all the proper things now */
}
-#define NUM_MONITOR_BREAKPOINTS 8
-
-static CORE_ADDR breakaddr[NUM_MONITOR_BREAKPOINTS] = {0};
-
/* Tell the monitor to add a breakpoint. */
static int
-monitor_insert_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
+monitor_insert_breakpoint (CORE_ADDR addr, char *shadow)
{
int i;
- /* This is only used to compute the size of a breakpoint. */
-#ifdef BREAKPOINT
- static unsigned char break_insn[] = BREAKPOINT;
-#else
- /* In the bi-endian case we assume breakpoints are the same size. */
- static unsigned char break_insn[] = BIG_BREAKPOINT;
-#endif
+ const unsigned char *bp;
+ int bplen;
+
+ monitor_debug ("MON inst bkpt %s\n", paddr (addr));
+ if (current_monitor->set_break == NULL)
+ error ("No set_break defined for this monitor");
+
+ if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
+ addr = ADDR_BITS_REMOVE (addr);
- for (i = 0; i < NUM_MONITOR_BREAKPOINTS; i++)
+ /* Determine appropriate breakpoint size for this address. */
+ bp = gdbarch_breakpoint_from_pc (current_gdbarch, &addr, &bplen);
+
+ for (i = 0; i < current_monitor->num_breakpoints; i++)
{
if (breakaddr[i] == 0)
{
breakaddr[i] = addr;
- monitor_read_memory (addr, shadow, sizeof (break_insn));
+ monitor_read_memory (addr, shadow, bplen);
monitor_printf (current_monitor->set_break, addr);
monitor_expect_prompt (NULL, 0);
return 0;
}
}
- error ("Too many breakpoints (> %d) for monitor.", NUM_MONITOR_BREAKPOINTS);
+ error ("Too many breakpoints (> %d) for monitor.", current_monitor->num_breakpoints);
}
/* Tell the monitor to remove a breakpoint. */
static int
-monitor_remove_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
+monitor_remove_breakpoint (CORE_ADDR addr, char *shadow)
{
int i;
- for (i = 0; i < NUM_MONITOR_BREAKPOINTS; i++)
+ monitor_debug ("MON rmbkpt %s\n", paddr (addr));
+ if (current_monitor->clr_break == NULL)
+ error ("No clr_break defined for this monitor");
+
+ if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
+ addr = ADDR_BITS_REMOVE (addr);
+
+ for (i = 0; i < current_monitor->num_breakpoints; i++)
{
if (breakaddr[i] == addr)
{
breakaddr[i] = 0;
/* some monitors remove breakpoints based on the address */
- if (current_monitor->flags & MO_CLR_BREAK_USES_ADDR)
+ if (current_monitor->flags & MO_CLR_BREAK_USES_ADDR)
monitor_printf (current_monitor->clr_break, addr);
+ else if (current_monitor->flags & MO_CLR_BREAK_1_BASED)
+ monitor_printf (current_monitor->clr_break, i + 1);
else
monitor_printf (current_monitor->clr_break, i);
monitor_expect_prompt (NULL, 0);
return 0;
}
}
- fprintf_unfiltered (stderr, "Can't find breakpoint associated with 0x%x\n", addr);
+ fprintf_unfiltered (gdb_stderr,
+ "Can't find breakpoint associated with 0x%s\n",
+ paddr_nz (addr));
return 1;
}
an S-record. Return non-zero if the ACK is received properly. */
static int
-monitor_wait_srec_ack ()
+monitor_wait_srec_ack (void)
{
- /* FIXME: eventually we'll want to be able to handle acknowledgements
- of something other than a '+' character. Right now this is only
- going to work for EST visionICE. */
- return readchar (timeout) == '+';
+ int ch;
+
+ if (current_monitor->flags & MO_SREC_ACK_PLUS)
+ {
+ return (readchar (timeout) == '+');
+ }
+ else if (current_monitor->flags & MO_SREC_ACK_ROTATE)
+ {
+ /* Eat two backspaces, a "rotating" char (|/-\), and a space. */
+ if ((ch = readchar (1)) < 0)
+ return 0;
+ if ((ch = readchar (1)) < 0)
+ return 0;
+ if ((ch = readchar (1)) < 0)
+ return 0;
+ if ((ch = readchar (1)) < 0)
+ return 0;
+ }
+ return 1;
}
/* monitor_load -- download a file. */
static void
-monitor_load (file, from_tty)
- char *file;
- int from_tty;
+monitor_load (char *file, int from_tty)
{
- dcache_flush (remote_dcache);
+ monitor_debug ("MON load\n");
if (current_monitor->load_routine)
current_monitor->load_routine (monitor_desc, file, hashmark);
else
{ /* The default is ascii S-records */
+ int n;
+ unsigned long load_offset;
+ char buf[128];
+
+ /* enable user to specify address for downloading as 2nd arg to load */
+ n = sscanf (file, "%s 0x%lx", buf, &load_offset);
+ if (n > 1)
+ file = buf;
+ else
+ load_offset = 0;
+
monitor_printf (current_monitor->load);
if (current_monitor->loadresp)
monitor_expect (current_monitor->loadresp, NULL, 0);
-/* FIXME Should add arg here for load_offset (already done for generic_load) */
- load_srec (monitor_desc, file, 32, SREC_ALL, hashmark,
+ load_srec (monitor_desc, file, (bfd_vma) load_offset,
+ 32, SREC_ALL, hashmark,
current_monitor->flags & MO_SREC_ACK ?
- monitor_wait_srec_ack : NULL);
+ monitor_wait_srec_ack : NULL);
monitor_expect_prompt (NULL, 0);
}
-/* Finally, make the PC point at the start address */
-
+ /* Finally, make the PC point at the start address */
if (exec_bfd)
write_pc (bfd_get_start_address (exec_bfd));
- inferior_pid = 0; /* No process now */
-
-/* This is necessary because many things were based on the PC at the time that
- we attached to the monitor, which is no longer valid now that we have loaded
- new code (and just changed the PC). Another way to do this might be to call
- normal_stop, except that the stack may not be valid, and things would get
- horribly confused... */
-
- clear_symtab_users ();
+ /* There used to be code here which would clear inferior_ptid and
+ call clear_symtab_users. None of that should be necessary:
+ monitor targets should behave like remote protocol targets, and
+ since generic_load does none of those things, this function
+ shouldn't either.
+
+ Furthermore, clearing inferior_ptid is *incorrect*. After doing
+ a load, we still have a valid connection to the monitor, with a
+ live processor state to fiddle with. The user can type
+ `continue' or `jump *start' and make the program run. If they do
+ these things, however, GDB will be talking to a running program
+ while inferior_ptid is null_ptid; this makes things like
+ reinit_frame_cache very confused. */
}
static void
-monitor_stop ()
+monitor_stop (void)
{
+ monitor_debug ("MON stop\n");
if ((current_monitor->flags & MO_SEND_BREAK_ON_STOP) != 0)
- SERIAL_SEND_BREAK (monitor_desc);
+ serial_send_break (monitor_desc);
if (current_monitor->stop)
monitor_printf_noecho (current_monitor->stop);
}
-/* Put a command string, in args, out to MONITOR. Output from MONITOR
- is placed on the users terminal until the prompt is seen. FIXME: We
- read the characters ourseleves here cause of a nasty echo. */
+/* Put a COMMAND string out to MONITOR. Output from MONITOR is placed
+ in OUTPUT until the prompt is seen. FIXME: We read the characters
+ ourseleves here cause of a nasty echo. */
static void
-monitor_command (args, from_tty)
- char *args;
- int from_tty;
+monitor_rcmd (char *command,
+ struct ui_file *outbuf)
{
char *p;
int resp_len;
/* Send the command. Note that if no args were supplied, then we're
just sending the monitor a newline, which is sometimes useful. */
- monitor_printf ("%s\r", (args ? args : ""));
+ monitor_printf ("%s\r", (command ? command : ""));
resp_len = monitor_expect_prompt (buf, sizeof buf);
- fputs_unfiltered (buf, gdb_stdout); /* Output the response */
+ fputs_unfiltered (buf, outbuf); /* Output the response */
}
/* Convert hex digit A to a number. */
+#if 0
static int
-from_hex (a)
- int a;
-{
+from_hex (int a)
+{
if (a >= '0' && a <= '9')
return a - '0';
if (a >= 'a' && a <= 'f')
error ("Reply contains invalid hex digit 0x%x", a);
}
+#endif
+
+char *
+monitor_get_dev_name (void)
+{
+ return dev_name;
+}
-static struct target_ops monitor_ops =
+static struct target_ops monitor_ops;
+
+static void
+init_base_monitor_ops (void)
{
- NULL, /* to_shortname */
- NULL, /* to_longname */
- NULL, /* to_doc */
- NULL, /* to_open */
- monitor_close, /* to_close */
- NULL, /* to_attach */
- monitor_detach, /* to_detach */
- monitor_resume, /* to_resume */
- monitor_wait, /* to_wait */
- monitor_fetch_registers, /* to_fetch_registers */
- monitor_store_registers, /* to_store_registers */
- monitor_prepare_to_store, /* to_prepare_to_store */
- monitor_xfer_memory, /* to_xfer_memory */
- monitor_files_info, /* to_files_info */
- monitor_insert_breakpoint, /* to_insert_breakpoint */
- monitor_remove_breakpoint, /* to_remove_breakpoint */
- 0, /* to_terminal_init */
- 0, /* to_terminal_inferior */
- 0, /* to_terminal_ours_for_output */
- 0, /* to_terminal_ours */
- 0, /* to_terminal_info */
- monitor_kill, /* to_kill */
- monitor_load, /* to_load */
- 0, /* to_lookup_symbol */
- monitor_create_inferior, /* to_create_inferior */
- monitor_mourn_inferior, /* to_mourn_inferior */
- 0, /* to_can_run */
- 0, /* to_notice_signals */
- 0, /* to_thread_alive */
- monitor_stop, /* to_stop */
- process_stratum, /* to_stratum */
- 0, /* to_next */
- 1, /* to_has_all_memory */
- 1, /* to_has_memory */
- 1, /* to_has_stack */
- 1, /* to_has_registers */
- 1, /* to_has_execution */
- 0, /* sections */
- 0, /* sections_end */
- OPS_MAGIC /* to_magic */
-};
+ monitor_ops.to_close = monitor_close;
+ monitor_ops.to_detach = monitor_detach;
+ monitor_ops.to_resume = monitor_resume;
+ monitor_ops.to_wait = monitor_wait;
+ monitor_ops.to_fetch_registers = monitor_fetch_registers;
+ monitor_ops.to_store_registers = monitor_store_registers;
+ monitor_ops.to_prepare_to_store = monitor_prepare_to_store;
+ monitor_ops.to_xfer_memory = monitor_xfer_memory;
+ monitor_ops.to_files_info = monitor_files_info;
+ monitor_ops.to_insert_breakpoint = monitor_insert_breakpoint;
+ monitor_ops.to_remove_breakpoint = monitor_remove_breakpoint;
+ monitor_ops.to_kill = monitor_kill;
+ monitor_ops.to_load = monitor_load;
+ monitor_ops.to_create_inferior = monitor_create_inferior;
+ monitor_ops.to_mourn_inferior = monitor_mourn_inferior;
+ monitor_ops.to_stop = monitor_stop;
+ monitor_ops.to_rcmd = monitor_rcmd;
+ monitor_ops.to_stratum = process_stratum;
+ monitor_ops.to_has_all_memory = 1;
+ monitor_ops.to_has_memory = 1;
+ monitor_ops.to_has_stack = 1;
+ monitor_ops.to_has_registers = 1;
+ monitor_ops.to_has_execution = 1;
+ monitor_ops.to_magic = OPS_MAGIC;
+} /* init_base_monitor_ops */
/* Init the target_ops structure pointed at by OPS */
void
-init_monitor_ops (ops)
- struct target_ops *ops;
+init_monitor_ops (struct target_ops *ops)
{
+ if (monitor_ops.to_magic != OPS_MAGIC)
+ init_base_monitor_ops ();
+
memcpy (ops, &monitor_ops, sizeof monitor_ops);
}
/* Define additional commands that are usually only used by monitors. */
void
-_initialize_remote_monitors ()
+_initialize_remote_monitors (void)
{
+ init_base_monitor_ops ();
add_show_from_set (add_set_cmd ("hash", no_class, var_boolean,
- (char *)&hashmark,
+ (char *) &hashmark,
"Set display of activity while downloading a file.\n\
When enabled, a hashmark \'#\' is displayed.",
- &setlist),
+ &setlist),
&showlist);
- add_com ("monitor", class_obscure, monitor_command,
- "Send a command to the debug monitor.");
+ add_show_from_set
+ (add_set_cmd ("monitor", no_class, var_zinteger,
+ (char *) &monitor_debug_p,
+ "Set debugging of remote monitor communication.\n\
+When enabled, communication between GDB and the remote monitor\n\
+is displayed.", &setdebuglist),
+ &showdebuglist);
}
projects / deliverable / binutils-gdb.git / blobdiff