/* Remote debugging interface for boot monitors, for GDB.
- Copyright 1990-1993, 1995-1997, 1999-2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2006, 2007, 2008 Free Software Foundation, Inc.
+
Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
Resurrected from the ashes by Stu Grossman.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* 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 "gdb_wait.h"
+#include "exceptions.h"
#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 void monitor_vsprintf PARAMS ((char *sndbuf, char *pattern, va_list args));
-
-static int readchar PARAMS ((int timeout));
-
-static void monitor_fetch_register PARAMS ((int regno));
-static void monitor_store_register PARAMS ((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 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 ((void *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 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_write_memory_bytes PARAMS ((CORE_ADDR addr,
- char *myaddr, int len));
-static int monitor_write_memory_block PARAMS ((
- CORE_ADDR memaddr,
- char *myaddr,
- int len));
-static int monitor_expect_regexp PARAMS ((struct re_pattern_buffer * pat,
- char *buf, int buflen));
-static void monitor_dump_regs PARAMS ((void));
+static void monitor_interrupt_query (void);
+static void monitor_interrupt_twice (int);
+static void monitor_stop (void);
+static void monitor_dump_regs (struct regcache *regcache);
+
#if 0
-static int from_hex PARAMS ((int a));
-static unsigned long get_hex_word PARAMS ((void));
+static int from_hex (int a);
#endif
-static void parse_register_dump PARAMS ((char *, int));
static struct monitor_ops *current_monitor;
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 monitor_debug_p = 0;
/* NOTE: This file alternates between monitor_debug_p and remote_debug
- when determining if debug information is printed. Perhaphs this
+ when determining if debug information is printed. Perhaps this
could be simplified. */
static void
monitor_printable_string (safe_string, string, real_len);
if (final_char)
- error ("%s (0x%s): %s: %s%c", function, paddr_nz (memaddr), message, safe_string, 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);
+ error (_("%s (0x%s): %s: %s"), function, paddr_nz (memaddr), message, safe_string);
}
/* Convert hex digit A to a number. */
static int
-fromhex (a)
- int a;
+fromhex (int a)
{
if (a >= '0' && a <= '9')
return a - '0';
else if (a >= 'A' && a <= 'F')
return a - 'A' + 10;
else
- error ("Invalid hex digit %d", a);
+ error (_("Invalid hex digit %d"), a);
}
/* monitor_vsprintf - similar to vsprintf but handles 64-bit addresses
*/
static void
-monitor_vsprintf (sndbuf, pattern, args)
- char *sndbuf;
- char *pattern;
- va_list args;
+monitor_vsprintf (char *sndbuf, char *pattern, va_list args)
{
char format[10];
char fmt;
len = strlen (sndbuf);
if (len + 1 > sizeof sndbuf)
- abort ();
+ internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
if (monitor_debug_p)
{
len = strlen (sndbuf);
if (len + 1 > sizeof sndbuf)
- abort ();
+ internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
if (monitor_debug_p)
{
/* Write characters to the remote system. */
void
-monitor_write (buf, buflen)
- char *buf;
- int buflen;
+monitor_write (char *buf, int buflen)
{
- if (SERIAL_WRITE (monitor_desc, buf, buflen))
- fprintf_unfiltered (gdb_stderr, "SERIAL_WRITE failed: %s\n",
+ if (serial_write (monitor_desc, buf, buflen))
+ fprintf_unfiltered (gdb_stderr, "serial_write failed: %s\n",
safe_strerror (errno));
}
and without printing remote debug information. */
int
-monitor_readchar ()
+monitor_readchar (void)
{
int c;
int looping;
do
{
looping = 0;
- c = SERIAL_READCHAR (monitor_desc, timeout);
+ c = serial_readchar (monitor_desc, timeout);
if (c >= 0)
c &= 0xff; /* don't lose bit 7 */
return c;
if (c == SERIAL_TIMEOUT)
- error ("Timeout reading from remote system.");
+ error (_("Timeout reading from remote system."));
- perror_with_name ("remote-monitor");
+ perror_with_name (_("remote-monitor"));
}
timeout stuff. */
static int
-readchar (timeout)
- int timeout;
+readchar (int timeout)
{
int c;
static enum
do
{
looping = 0;
- c = SERIAL_READCHAR (monitor_desc, timeout);
+ c = serial_readchar (monitor_desc, timeout);
if (c >= 0)
{
if (in_monitor_wait) /* Watchdog went off */
{
target_mourn_inferior ();
- error ("GDB serial timeout has expired. Target detached.\n");
+ error (_("GDB serial timeout has expired. Target detached."));
}
else
#endif
- error ("Timeout reading from remote system.");
+ error (_("Timeout reading from remote system."));
- perror_with_name ("remote-monitor");
+ perror_with_name (_("remote-monitor"));
}
/* Scan input from the remote system, until STRING is found. If BUF is non-
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;
if (monitor_debug_p)
{
fprintf_unfiltered (gdb_stdlog, "MON Expecting '%s'\n", safe_string);
}
- immediate_quit = 1;
+ immediate_quit++;
while (1)
{
if (buf)
if (buflen < 2)
{
*buf = '\000';
- immediate_quit = 0;
+ immediate_quit--;
return -1;
}
p++;
if (*p == '\0')
{
- immediate_quit = 0;
+ immediate_quit--;
if (buf)
{
return 0;
}
}
- else if ((c == '\021' || c == '\023') &&
- (STREQ (targ_ops->to_shortname, "m32r")
- || STREQ (targ_ops->to_shortname, "mon2000")))
- { /* m32r monitor emits random DC1/DC3 chars */
- continue;
- }
else
{
/* We got a character that doesn't match the string. We need to
/* 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;
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);
#if 0
static unsigned long
-get_hex_word ()
+get_hex_word (void)
{
unsigned long val;
int i;
#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;
const char *val;
re_set_syntax (tmp);
if (val)
- error ("compile_pattern: Can't compile pattern string `%s': %s!", pattern, val);
+ error (_("compile_pattern: Can't compile pattern string `%s': %s!"), pattern, val);
if (fastmap)
re_compile_fastmap (compiled_pattern);
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;
char **p;
if (mon_ops->magic != MONITOR_OPS_MAGIC)
- error ("Magic number of monitor_ops struct wrong.");
+ error (_("Magic number of monitor_ops struct wrong."));
targ_ops = mon_ops->target;
name = targ_ops->to_shortname;
if (!args)
- 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);
+ 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);
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_raw (monitor_desc);
- SERIAL_FLUSH_INPUT (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_expect_prompt (NULL, 0);
}
- SERIAL_FLUSH_INPUT (monitor_desc);
+ serial_flush_input (monitor_desc);
/* Alloc breakpoints */
if (mon_ops->set_break != NULL)
}
if (from_tty)
- printf_unfiltered ("Remote target %s connected to %s\n", name, dev_name);
+ printf_unfiltered (_("Remote target %s connected to %s\n"), name, dev_name);
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);
- if (current_monitor->flags & MO_HAS_BLOCKWRITES)
- remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory_block);
- else
- remote_dcache = dcache_init (monitor_read_memory, monitor_write_memory);
- start_remote ();
+ start_remote (from_tty);
}
/* Close out all files and local state before this target loses
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)
{
- free (breakaddr);
+ xfree (breakaddr);
breakaddr = 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)
- printf_unfiltered ("Ending remote %s debugging\n", target_shortname);
+ printf_unfiltered (_("Ending remote %s debugging\n"), target_shortname);
}
/* 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 (struct regcache *regcache, int regno, char *valstr)
{
ULONGEST val;
- unsigned char regbuf[MAX_REGISTER_RAW_SIZE];
+ unsigned char regbuf[MAX_REGISTER_SIZE];
char *p;
val = 0;
}
monitor_debug ("Supplying Register %d %s\n", regno, valstr);
- if (*p != '\0')
- error ("monitor_supply_register (%d): bad value from monitor: %s.",
+ if (val == 0 && valstr == p)
+ error (_("monitor_supply_register (%d): bad value from monitor: %s."),
regno, valstr);
/* supply register stores in target byte order, so swap here */
- store_unsigned_integer (regbuf, REGISTER_RAW_SIZE (regno), val);
+ store_unsigned_integer (regbuf,
+ register_size (get_regcache_arch (regcache), regno),
+ val);
- supply_register (regno, regbuf);
+ regcache_raw_supply (regcache, regno, regbuf);
return p;
}
/* Tell the remote machine to resume. */
-void
-flush_monitor_dcache ()
-{
- dcache_flush (remote_dcache);
-}
-
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");
dump_reg_flag = 1;
return;
}
- dcache_flush (remote_dcache);
if (step)
monitor_printf (current_monitor->step);
else
string which are passed down to monitor specific code. */
static void
-parse_register_dump (buf, len)
- char *buf;
- int len;
+parse_register_dump (struct regcache *regcache, char *buf, int len)
{
monitor_debug ("MON Parsing register dump\n");
while (1)
vallen = register_strings.end[2] - register_strings.start[2];
val = buf + register_strings.start[2];
- current_monitor->supply_register (regname, regnamelen, val, vallen);
+ current_monitor->supply_register (regcache, regname, regnamelen,
+ val, vallen);
buf += register_strings.end[0];
len -= register_strings.end[0];
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);
/* The user typed ^C twice. */
static void
-monitor_interrupt_twice (signo)
- int signo;
+monitor_interrupt_twice (int signo)
{
signal (signo, ofunc);
/* 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);
+ deprecated_throw_reason (RETURN_QUIT);
}
target_terminal_inferior ();
}
static void
-monitor_wait_cleanup (old_timeout)
- void *old_timeout;
+monitor_wait_cleanup (void *old_timeout)
{
timeout = *(int *) old_timeout;
signal (SIGINT, ofunc);
-void
+static void
monitor_wait_filter (char *buf,
int bufmax,
int *ext_resp_len,
- struct target_waitstatus *status
-)
+ struct target_waitstatus *status)
{
int resp_len;
do
/* 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[TARGET_BUF_SIZE];
}
if (current_monitor->register_pattern)
- parse_register_dump (buf, resp_len);
+ parse_register_dump (get_current_regcache (), buf, resp_len);
#else
monitor_debug ("Wait fetching registers after stop\n");
- monitor_dump_regs ();
+ monitor_dump_regs (get_current_regcache ());
#endif
status->kind = TARGET_WAITKIND_STOPPED;
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 (struct regcache *regcache, 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 || (*name == '\0'))
{
monitor_debug ("No register known for %d\n", regno);
- supply_register (regno, zerobuf);
+ regcache_raw_supply (regcache, regno, zerobuf);
return;
}
if ((c == '0') && ((c = readchar (timeout)) == 'x'))
;
else
- error ("Bad value returned from monitor while fetching register %x.",
+ error (_("Bad value returned from monitor while fetching register %x."),
regno);
}
spaces, but stop reading if something else is seen. Some monitors
like to drop leading zeros. */
- for (i = 0; i < REGISTER_RAW_SIZE (regno) * 2; i++)
+ for (i = 0; i < register_size (get_regcache_arch (regcache), regno) * 2; i++)
{
int c;
c = readchar (timeout);
current_monitor->getreg.term_cmd) /* ack expected */
monitor_expect_prompt (NULL, 0); /* get response */
- monitor_supply_register (regno, regbuf);
+ monitor_supply_register (regcache, regno, regbuf);
}
/* Sometimes, it takes several commands to dump the registers */
case they need to compose the operation.
*/
int
-monitor_dump_reg_block (char *block_cmd)
+monitor_dump_reg_block (struct regcache *regcache, 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);
+ parse_register_dump (regcache, buf, resp_len);
return 1;
}
/* Call the specific function if it has been provided */
static void
-monitor_dump_regs ()
+monitor_dump_regs (struct regcache *regcache)
{
char buf[TARGET_BUF_SIZE];
int resp_len;
if (current_monitor->dumpregs)
- (*(current_monitor->dumpregs)) (); /* call supplied function */
+ (*(current_monitor->dumpregs)) (regcache); /* 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);
+ parse_register_dump (regcache, 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 (struct regcache *regcache, int regno)
{
monitor_debug ("MON fetchregs\n");
if (current_monitor->getreg.cmd)
{
if (regno >= 0)
{
- monitor_fetch_register (regno);
+ monitor_fetch_register (regcache, regno);
return;
}
- for (regno = 0; regno < NUM_REGS; regno++)
- monitor_fetch_register (regno);
+ for (regno = 0; regno < gdbarch_num_regs (get_regcache_arch (regcache));
+ regno++)
+ monitor_fetch_register (regcache, regno);
}
else
{
- monitor_dump_regs ();
+ monitor_dump_regs (regcache);
}
}
/* Store register REGNO, or all if REGNO == 0. Return errno value. */
static void
-monitor_store_register (regno)
- int regno;
+monitor_store_register (struct regcache *regcache, int regno)
{
- char *name;
+ const char *name;
ULONGEST val;
-
- name = current_monitor->regnames[regno];
+
+ 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, preg (val));
+ regcache_cooked_read_unsigned (regcache, regno, &val);
+ monitor_debug ("MON storeg %d %s\n", regno,
+ phex (val,
+ register_size (get_regcache_arch (regcache), regno)));
/* send the register deposit command */
else
monitor_printf (current_monitor->setreg.cmd, name, val);
+ 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");
/* Store the remote registers. */
static void
-monitor_store_registers (regno)
- int regno;
+monitor_store_registers (struct regcache *regcache, int regno)
{
if (regno >= 0)
{
- monitor_store_register (regno);
+ monitor_store_register (regcache, regno);
return;
}
- for (regno = 0; regno < NUM_REGS; regno++)
- monitor_store_register (regno);
+ for (regno = 0; regno < gdbarch_num_regs (get_regcache_arch (regcache));
+ regno++)
+ monitor_store_register (regcache, regno);
}
/* Get ready to modify the registers array. On machines which store
debugged. */
static void
-monitor_prepare_to_store ()
+monitor_prepare_to_store (struct regcache *regcache)
{
/* 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);
+ 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, hostval;
char *cmd;
monitor_debug ("MON write %d %s\n", len, paddr (memaddr));
if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
- memaddr = ADDR_BITS_REMOVE (memaddr);
+ memaddr = gdbarch_addr_bits_remove (current_gdbarch, memaddr);
/* Use memory fill command for leading 0 bytes. */
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");
static int
-monitor_write_even_block (memaddr, myaddr, len)
- 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 (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+monitor_write_memory_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
unsigned char val;
int written = 0;
Which possably entails endian conversions
*/
static int
-monitor_write_memory_longlongs (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+monitor_write_memory_longlongs (CORE_ADDR memaddr, char *myaddr, int len)
{
static char hexstage[20]; /* At least 16 digits required, plus null */
char *endstring;
*/
static int
-monitor_write_memory_block (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+monitor_write_memory_block (CORE_ADDR memaddr, char *myaddr, int len)
{
int written;
written = 0;
{
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;
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 *p;
char *cmd;
- int i;
monitor_debug ("MON read single\n");
#if 0
else
monitor_error ("monitor_read_memory_single",
"bad response from monitor",
- memaddr, i, membuf, c);
+ 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;
- monitor_error ("monitor_read_memory_single",
- "bad response from monitor",
- 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
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;
char buf[512];
paddr_nz (memaddr), (long) myaddr, len);
if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
- memaddr = ADDR_BITS_REMOVE (memaddr);
+ memaddr = gdbarch_addr_bits_remove (current_gdbarch, memaddr);
if (current_monitor->flags & MO_GETMEM_READ_SINGLE)
return monitor_read_memory_single (memaddr, myaddr, len);
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);
}
c = *p;
}
if (fetched == 0)
- error ("Failed to read via monitor");
+ 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 */
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, gdb_byte *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 */
}
-/* All we actually do is set the PC to the start address of exec_bfd, and start
- the program at that point. */
+/* All we actually do is set the PC to the start address of exec_bfd. */
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,
+ int from_tty)
{
if (args && (*args != '\000'))
- error ("Args are not supported by the monitor.");
+ error (_("Args are not supported by the monitor."));
first_time = 1;
clear_proceed_status ();
- proceed (bfd_get_start_address (exec_bfd), TARGET_SIGNAL_0, 0);
+ write_pc (bfd_get_start_address (exec_bfd));
}
/* Clean up when a program exits.
instructions. */
static void
-monitor_mourn_inferior ()
+monitor_mourn_inferior (void)
{
unpush_target (targ_ops);
generic_mourn_inferior (); /* Do all the proper things now */
/* Tell the monitor to add a breakpoint. */
static int
-monitor_insert_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
+monitor_insert_breakpoint (struct bp_target_info *bp_tgt)
{
+ CORE_ADDR addr = bp_tgt->placed_address;
int i;
- unsigned char *bp;
+ 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");
+ error (_("No set_break defined for this monitor"));
if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
- addr = ADDR_BITS_REMOVE (addr);
+ addr = gdbarch_addr_bits_remove (current_gdbarch, addr);
/* Determine appropriate breakpoint size for this address. */
- bp = memory_breakpoint_from_pc (&addr, &bplen);
+ bp = gdbarch_breakpoint_from_pc (current_gdbarch, &addr, &bplen);
+ bp_tgt->placed_address = addr;
+ bp_tgt->placed_size = bplen;
for (i = 0; i < current_monitor->num_breakpoints; i++)
{
if (breakaddr[i] == 0)
{
breakaddr[i] = addr;
- 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.", current_monitor->num_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 (struct bp_target_info *bp_tgt)
{
+ CORE_ADDR addr = bp_tgt->placed_address;
int 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);
+ error (_("No clr_break defined for this monitor"));
for (i = 0; i < current_monitor->num_breakpoints; i++)
{
an S-record. Return non-zero if the ACK is received properly. */
static int
-monitor_wait_srec_ack ()
+monitor_wait_srec_ack (void)
{
int ch;
/* 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)
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);
}
char buf[1000];
if (monitor_desc == NULL)
- error ("monitor target not open.");
+ error (_("monitor target not open."));
p = current_monitor->prompt;
#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')
return a - 'A' + 10;
- error ("Reply contains invalid hex digit 0x%x", a);
+ error (_("Reply contains invalid hex digit 0x%x"), a);
}
#endif
char *
-monitor_get_dev_name ()
+monitor_get_dev_name (void)
{
return dev_name;
}
static void
init_base_monitor_ops (void)
{
- monitor_ops.to_shortname = NULL;
- monitor_ops.to_longname = NULL;
- monitor_ops.to_doc = NULL;
- monitor_ops.to_open = NULL;
monitor_ops.to_close = monitor_close;
- monitor_ops.to_attach = NULL;
- monitor_ops.to_post_attach = NULL;
- monitor_ops.to_require_attach = NULL;
monitor_ops.to_detach = monitor_detach;
- monitor_ops.to_require_detach = NULL;
monitor_ops.to_resume = monitor_resume;
monitor_ops.to_wait = monitor_wait;
- monitor_ops.to_post_wait = NULL;
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.deprecated_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_terminal_init = 0;
- monitor_ops.to_terminal_inferior = 0;
- monitor_ops.to_terminal_ours_for_output = 0;
- monitor_ops.to_terminal_ours = 0;
- monitor_ops.to_terminal_info = 0;
monitor_ops.to_kill = monitor_kill;
monitor_ops.to_load = monitor_load;
- monitor_ops.to_lookup_symbol = 0;
monitor_ops.to_create_inferior = monitor_create_inferior;
- monitor_ops.to_post_startup_inferior = NULL;
- monitor_ops.to_acknowledge_created_inferior = NULL;
- monitor_ops.to_clone_and_follow_inferior = NULL;
- monitor_ops.to_post_follow_inferior_by_clone = NULL;
- monitor_ops.to_insert_fork_catchpoint = NULL;
- monitor_ops.to_remove_fork_catchpoint = NULL;
- monitor_ops.to_insert_vfork_catchpoint = NULL;
- monitor_ops.to_remove_vfork_catchpoint = NULL;
- monitor_ops.to_has_forked = NULL;
- monitor_ops.to_has_vforked = NULL;
- monitor_ops.to_can_follow_vfork_prior_to_exec = NULL;
- monitor_ops.to_post_follow_vfork = NULL;
- monitor_ops.to_insert_exec_catchpoint = NULL;
- monitor_ops.to_remove_exec_catchpoint = NULL;
- monitor_ops.to_has_execd = NULL;
- monitor_ops.to_reported_exec_events_per_exec_call = NULL;
- monitor_ops.to_has_exited = NULL;
monitor_ops.to_mourn_inferior = monitor_mourn_inferior;
- monitor_ops.to_can_run = 0;
- monitor_ops.to_notice_signals = 0;
- monitor_ops.to_thread_alive = 0;
monitor_ops.to_stop = monitor_stop;
monitor_ops.to_rcmd = monitor_rcmd;
- monitor_ops.to_pid_to_exec_file = NULL;
- monitor_ops.to_core_file_to_sym_file = NULL;
+ monitor_ops.to_log_command = serial_log_command;
monitor_ops.to_stratum = process_stratum;
- monitor_ops.DONT_USE = 0;
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_sections = 0;
- monitor_ops.to_sections_end = 0;
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 ();
/* Define additional commands that are usually only used by monitors. */
+extern initialize_file_ftype _initialize_remote_monitors; /* -Wmissing-prototypes */
+
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,
- "Set display of activity while downloading a file.\n\
-When enabled, a hashmark \'#\' is displayed.",
- &setlist),
- &showlist);
-
- add_show_from_set
- (add_set_cmd ("monitor", no_class, var_zinteger,
- (char *) &monitor_debug_p,
- "Set debugging of remote monitor communication.\n\
+ add_setshow_boolean_cmd ("hash", no_class, &hashmark, _("\
+Set display of activity while downloading a file."), _("\
+Show display of activity while downloading a file."), _("\
+When enabled, a hashmark \'#\' is displayed."),
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("monitor", no_class, &monitor_debug_p, _("\
+Set debugging of remote monitor communication."), _("\
+Show debugging of remote monitor communication."), _("\
When enabled, communication between GDB and the remote monitor\n\
-is displayed.", &setdebuglist),
- &showdebuglist);
+is displayed."),
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setdebuglist, &showdebuglist);
}
projects / deliverable / binutils-gdb.git / blobdiff