/* Remote debugging interface for Array Tech RAID controller..
- Copyright 90, 91, 92, 93, 94, 1995 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.
This module talks to a debug monitor called 'MONITOR', which
(or possibly TELNET) stream to a terminal multiplexor,
which in turn talks to the target board.
- 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. */
#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 "gdb_string.h"
+#include <ctype.h>
#include <sys/types.h>
+#include "gdb_string.h"
#include "command.h"
#include "serial.h"
#include "monitor.h"
#include "remote-utils.h"
+#include "inferior.h"
+#include "version.h"
+#include "regcache.h"
extern int baud_rate;
-static const char hexchars[]="0123456789abcdef";
-static char *hex2mem();
-
-#define SREC_SIZE 160
-
-#define SWAP_TARGET_AND_HOST(buffer,len) \
- do \
- { \
- if (TARGET_BYTE_ORDER != HOST_BYTE_ORDER) \
- { \
- char tmp; \
- char *p = (char *)(buffer); \
- char *q = ((char *)(buffer)) + len - 1; \
- for (; p < q; p++, q--) \
- { \
- tmp = *q; \
- *q = *p; \
- *p = tmp; \
- } \
- } \
- } \
- while (0)
-
-static void debuglogs PARAMS((int, char *, ...));
-static void array_open();
-static void array_close();
-static void array_detach();
-static void array_attach();
-static void array_resume();
-static void array_fetch_register();
-static void array_store_register();
-static void array_fetch_registers();
-static void array_store_registers();
-static void array_prepare_to_store();
-static void array_files_info();
-static void array_kill();
-static void array_create_inferior();
-static void array_mourn_inferior();
-static void make_gdb_packet();
-static int array_xfer_memory();
-static int array_wait();
-static int array_insert_breakpoint();
-static int array_remove_breakpoint();
-static int tohex();
-static int to_hex();
-static int from_hex();
-static int array_send_packet();
-static int array_get_packet();
-static unsigned long ascii2hexword();
-static char *hexword2ascii();
-
-extern char *version;
+#define ARRAY_PROMPT ">> "
+
+static void debuglogs (int, char *, ...);
+static void array_open ();
+static void array_close ();
+static void array_detach ();
+static void array_attach ();
+static void array_resume (ptid_t ptid, int step, enum target_signal sig);
+static void array_fetch_register ();
+static void array_store_register ();
+static void array_fetch_registers ();
+static void array_store_registers ();
+static void array_prepare_to_store ();
+static void array_files_info ();
+static void array_kill ();
+static void array_create_inferior ();
+static void array_mourn_inferior ();
+static void make_gdb_packet ();
+static int array_xfer_memory ();
+static ptid_t array_wait (ptid_t ptid,
+ struct target_waitstatus *status);
+static int array_insert_breakpoint ();
+static int array_remove_breakpoint ();
+static int tohex ();
+static int to_hex ();
+static int from_hex ();
+static int array_send_packet ();
+static int array_get_packet ();
+static unsigned long ascii2hexword ();
+static void hexword2ascii ();
#define LOG_FILE "monitor.log"
#if defined (LOG_FILE)
* Descriptor for I/O to remote machine. Initialize it to NULL so that
* array_open knows that we don't have a file open when the program starts.
*/
-serial_t array_desc = NULL;
+struct serial *array_desc = NULL;
/*
* this array of registers need to match the indexes used by GDB. The
* registers either. So, typing "info reg sp" becomes a "r30".
*/
extern char *tmp_mips_processor_type;
-extern int mips_set_processor_type();
-
-static struct target_ops array_ops = {
- "array", /* to_shortname */
- /* to_longname */
- "Debug using the standard GDB remote protocol for the Array Tech target.",
- /* to_doc */
- "Debug using the standard GDB remote protocol for the Array Tech target.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).",
- array_open, /* to_open */
- array_close, /* to_close */
- NULL, /* to_attach */
- array_detach, /* to_detach */
- array_resume, /* to_resume */
- array_wait, /* to_wait */
- array_fetch_registers, /* to_fetch_registers */
- array_store_registers, /* to_store_registers */
- array_prepare_to_store, /* to_prepare_to_store */
- array_xfer_memory, /* to_xfer_memory */
- array_files_info, /* to_files_info */
- array_insert_breakpoint, /* to_insert_breakpoint */
- array_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 */
- array_kill, /* to_kill */
- 0, /* to_load */
- 0, /* to_lookup_symbol */
- array_create_inferior, /* to_create_inferior */
- array_mourn_inferior, /* to_mourn_inferior */
- 0, /* to_can_run */
- 0, /* to_notice_signals */
- 0, /* to_thread_alive */
- 0, /* 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 */
+extern int mips_set_processor_type ();
+
+static struct target_ops array_ops;
+
+static void
+init_array_ops (void)
+{
+ array_ops.to_shortname = "array";
+ array_ops.to_longname =
+ "Debug using the standard GDB remote protocol for the Array Tech target.",
+ array_ops.to_doc =
+ "Debug using the standard GDB remote protocol for the Array Tech target.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ array_ops.to_open = array_open;
+ array_ops.to_close = array_close;
+ array_ops.to_attach = NULL;
+ array_ops.to_post_attach = NULL;
+ array_ops.to_require_attach = NULL;
+ array_ops.to_detach = array_detach;
+ array_ops.to_require_detach = NULL;
+ array_ops.to_resume = array_resume;
+ array_ops.to_wait = array_wait;
+ array_ops.to_post_wait = NULL;
+ array_ops.to_fetch_registers = array_fetch_registers;
+ array_ops.to_store_registers = array_store_registers;
+ array_ops.to_prepare_to_store = array_prepare_to_store;
+ array_ops.to_xfer_memory = array_xfer_memory;
+ array_ops.to_files_info = array_files_info;
+ array_ops.to_insert_breakpoint = array_insert_breakpoint;
+ array_ops.to_remove_breakpoint = array_remove_breakpoint;
+ array_ops.to_terminal_init = 0;
+ array_ops.to_terminal_inferior = 0;
+ array_ops.to_terminal_ours_for_output = 0;
+ array_ops.to_terminal_ours = 0;
+ array_ops.to_terminal_info = 0;
+ array_ops.to_kill = array_kill;
+ array_ops.to_load = 0;
+ array_ops.to_lookup_symbol = 0;
+ array_ops.to_create_inferior = array_create_inferior;
+ array_ops.to_post_startup_inferior = NULL;
+ array_ops.to_acknowledge_created_inferior = NULL;
+ array_ops.to_clone_and_follow_inferior = NULL;
+ array_ops.to_post_follow_inferior_by_clone = NULL;
+ array_ops.to_insert_fork_catchpoint = NULL;
+ array_ops.to_remove_fork_catchpoint = NULL;
+ array_ops.to_insert_vfork_catchpoint = NULL;
+ array_ops.to_remove_vfork_catchpoint = NULL;
+ array_ops.to_has_forked = NULL;
+ array_ops.to_has_vforked = NULL;
+ array_ops.to_can_follow_vfork_prior_to_exec = NULL;
+ array_ops.to_post_follow_vfork = NULL;
+ array_ops.to_insert_exec_catchpoint = NULL;
+ array_ops.to_remove_exec_catchpoint = NULL;
+ array_ops.to_has_execd = NULL;
+ array_ops.to_reported_exec_events_per_exec_call = NULL;
+ array_ops.to_has_exited = NULL;
+ array_ops.to_mourn_inferior = array_mourn_inferior;
+ array_ops.to_can_run = 0;
+ array_ops.to_notice_signals = 0;
+ array_ops.to_thread_alive = 0;
+ array_ops.to_stop = 0;
+ array_ops.to_pid_to_exec_file = NULL;
+ array_ops.to_stratum = process_stratum;
+ array_ops.DONT_USE = 0;
+ array_ops.to_has_all_memory = 1;
+ array_ops.to_has_memory = 1;
+ array_ops.to_has_stack = 1;
+ array_ops.to_has_registers = 1;
+ array_ops.to_has_execution = 1;
+ array_ops.to_sections = 0;
+ array_ops.to_sections_end = 0;
+ array_ops.to_magic = OPS_MAGIC;
};
/*
* printf_monitor -- send data to monitor. Works just like printf.
*/
static void
-#ifdef ANSI_PROTOTYPES
-printf_monitor(char *pattern, ...)
-#else
-printf_monitor(va_alist)
- va_dcl
-#endif
+printf_monitor (char *pattern,...)
{
va_list args;
char buf[PBUFSIZ];
int i;
-#ifdef ANSI_PROTOTYPES
- va_start(args, pattern);
-#else
- char *pattern;
- va_start(args);
- pattern = va_arg(args, char *);
-#endif
+ va_start (args, pattern);
- vsprintf(buf, pattern, args);
+ vsprintf (buf, pattern, args);
debuglogs (1, "printf_monitor(), Sending: \"%s\".", buf);
- if (strlen(buf) > PBUFSIZ)
+ if (strlen (buf) > PBUFSIZ)
error ("printf_monitor(): string too long");
- if (SERIAL_WRITE(array_desc, buf, strlen(buf)))
- fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno));
+ if (serial_write (array_desc, buf, strlen (buf)))
+ fprintf (stderr, "serial_write failed: %s\n", safe_strerror (errno));
}
/*
* write_monitor -- send raw data to monitor.
*/
static void
-write_monitor(data, len)
- char data[];
- int len;
+write_monitor (char data[], int len)
{
- if (SERIAL_WRITE(array_desc, data, len))
- fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno));
-
- *(data + len+1) = '\0';
+ if (serial_write (array_desc, data, len))
+ fprintf (stderr, "serial_write failed: %s\n", safe_strerror (errno));
+
+ *(data + len + 1) = '\0';
debuglogs (1, "write_monitor(), Sending: \"%s\".", data);
}
/*
* debuglogs -- deal with debugging info to multiple sources. This takes
- * two real args, the first one is the level to be compared against
- * the sr_get_debug() value, the second arg is a printf buffer and args
- * to be formatted and printed. A CR is added after each string is printed.
+ * two real args, the first one is the level to be compared against
+ * the sr_get_debug() value, the second arg is a printf buffer and args
+ * to be formatted and printed. A CR is added after each string is printed.
*/
static void
-#ifdef ANSI_PROTOTYPES
-debuglogs(int level, char *pattern, ...)
-#else
-debuglogs(va_alist)
- va_dcl
-#endif
+debuglogs (int level, char *pattern,...)
{
va_list args;
char *p;
char newbuf[PBUFSIZ];
int i;
-#ifdef ANSI_PROTOTYPES
- va_start(args, pattern);
-#else
- char *pattern;
- int level;
- va_start(args);
- level = va_arg(args, int); /* get the debug level */
- pattern = va_arg(args, char *); /* get the printf style pattern */
-#endif
+ va_start (args, pattern);
+
+ if ((level < 0) || (level > 100))
+ {
+ error ("Bad argument passed to debuglogs(), needs debug level");
+ return;
+ }
+
+ vsprintf (buf, pattern, args); /* format the string */
- if ((level <0) || (level > 100)) {
- error ("Bad argument passed to debuglogs(), needs debug level");
- return;
- }
-
- vsprintf(buf, pattern, args); /* format the string */
-
/* convert some characters so it'll look right in the log */
p = newbuf;
- for (i = 0 ; buf[i] != '\0'; i++) {
- if (i > PBUFSIZ)
- error ("Debug message too long");
- switch (buf[i]) {
- case '\n': /* newlines */
- *p++ = '\\';
- *p++ = 'n';
- continue;
- case '\r': /* carriage returns */
- *p++ = '\\';
- *p++ = 'r';
- continue;
- case '\033': /* escape */
- *p++ = '\\';
- *p++ = 'e';
- continue;
- case '\t': /* tab */
- *p++ = '\\';
- *p++ = 't';
- continue;
- case '\b': /* backspace */
- *p++ = '\\';
- *p++ = 'b';
- continue;
- default: /* no change */
- *p++ = buf[i];
- }
+ for (i = 0; buf[i] != '\0'; i++)
+ {
+ if (i > PBUFSIZ)
+ error ("Debug message too long");
+ switch (buf[i])
+ {
+ case '\n': /* newlines */
+ *p++ = '\\';
+ *p++ = 'n';
+ continue;
+ case '\r': /* carriage returns */
+ *p++ = '\\';
+ *p++ = 'r';
+ continue;
+ case '\033': /* escape */
+ *p++ = '\\';
+ *p++ = 'e';
+ continue;
+ case '\t': /* tab */
+ *p++ = '\\';
+ *p++ = 't';
+ continue;
+ case '\b': /* backspace */
+ *p++ = '\\';
+ *p++ = 'b';
+ continue;
+ default: /* no change */
+ *p++ = buf[i];
+ }
- if (buf[i] < 26) { /* modify control characters */
- *p++ = '^';
- *p++ = buf[i] + 'A';
- continue;
- }
- if (buf[i] >= 128) { /* modify control characters */
- *p++ = '!';
- *p++ = buf[i] + 'A';
- continue;
+ if (buf[i] < 26)
+ { /* modify control characters */
+ *p++ = '^';
+ *p++ = buf[i] + 'A';
+ continue;
+ }
+ if (buf[i] >= 128)
+ { /* modify control characters */
+ *p++ = '!';
+ *p++ = buf[i] + 'A';
+ continue;
+ }
}
- }
- *p = '\0'; /* terminate the string */
+ *p = '\0'; /* terminate the string */
- if (sr_get_debug() > level)
+ if (sr_get_debug () > level)
printf_unfiltered ("%s\n", newbuf);
-#ifdef LOG_FILE /* write to the monitor log */
- if (log_file != 0x0) {
- fputs (newbuf, log_file);
- fputc ('\n', log_file);
- fflush (log_file);
- }
+#ifdef LOG_FILE /* write to the monitor log */
+ if (log_file != 0x0)
+ {
+ fputs (newbuf, log_file);
+ fputc ('\n', log_file);
+ fflush (log_file);
+ }
#endif
}
/* readchar -- read a character from the remote system, doing all the fancy
- * timeout stuff.
+ * timeout stuff.
*/
static int
-readchar(timeout)
- int timeout;
+readchar (int timeout)
{
int c;
- c = SERIAL_READCHAR(array_desc, abs(timeout));
+ c = serial_readchar (array_desc, abs (timeout));
- if (sr_get_debug() > 5) {
- putchar(c & 0x7f);
- debuglogs (5, "readchar: timeout = %d\n", timeout);
- }
+ if (sr_get_debug () > 5)
+ {
+ putchar (c & 0x7f);
+ debuglogs (5, "readchar: timeout = %d\n", timeout);
+ }
#ifdef LOG_FILE
if (isascii (c))
- putc(c & 0x7f, log_file);
+ putc (c & 0x7f, log_file);
#endif
if (c >= 0)
return c & 0x7f;
- if (c == SERIAL_TIMEOUT) {
- if (timeout <= 0)
- return c; /* Polls shouldn't generate timeout errors */
- error("Timeout reading from remote system.");
+ if (c == SERIAL_TIMEOUT)
+ {
+ if (timeout <= 0)
+ return c; /* Polls shouldn't generate timeout errors */
+ error ("Timeout reading from remote system.");
#ifdef LOG_FILE
fputs ("ERROR: Timeout reading from remote system", log_file);
#endif
- }
- perror_with_name("readchar");
+ }
+ perror_with_name ("readchar");
}
/*
* expect -- scan input from the remote system, until STRING is found.
- * If DISCARD is non-zero, then discard non-matching input, else print
- * it out. Let the user break out immediately.
+ * If DISCARD is non-zero, then discard non-matching input, else print
+ * it out. Let the user break out immediately.
*/
static void
-expect (string, discard)
- char *string;
- int discard;
+expect (char *string, int discard)
{
char *p = string;
int c;
debuglogs (1, "Expecting \"%s\".", string);
- immediate_quit = 1;
- while (1) {
- c = readchar(timeout);
- if (!isascii (c))
- continue;
- if (c == *p++) {
- if (*p == '\0') {
- immediate_quit = 0;
- debuglogs (4, "Matched");
- return;
- }
- } else {
- if (!discard) {
- fputc_unfiltered (c, gdb_stdout);
- }
- p = string;
+ immediate_quit++;
+ while (1)
+ {
+ c = readchar (timeout);
+ if (!isascii (c))
+ continue;
+ if (c == *p++)
+ {
+ if (*p == '\0')
+ {
+ immediate_quit--;
+ debuglogs (4, "Matched");
+ return;
+ }
+ }
+ else
+ {
+ if (!discard)
+ {
+ fputc_unfiltered (c, gdb_stdout);
+ }
+ p = string;
+ }
}
- }
}
/* Keep discarding input until we see the MONITOR array_cmds->prompt.
necessary to prevent getting into states from which we can't
recover. */
static void
-expect_prompt(discard)
- int discard;
+expect_prompt (int discard)
{
- expect (">> ", discard);
+ expect (ARRAY_PROMPT, discard);
}
/*
* junk -- ignore junk characters. Returns a 1 if junk, 0 otherwise
*/
static int
-junk(ch)
- char ch;
+junk (char ch)
{
- switch (ch) {
- case '\0':
- case ' ':
- case '-':
- case '\t':
- case '\r':
- case '\n':
- if (sr_get_debug() > 5)
- debuglogs (5, "Ignoring \'%c\'.", ch);
- return 1;
- default:
- if (sr_get_debug() > 5)
- debuglogs (5, "Accepting \'%c\'.", ch);
- return 0;
- }
+ switch (ch)
+ {
+ case '\0':
+ case ' ':
+ case '-':
+ case '\t':
+ case '\r':
+ case '\n':
+ if (sr_get_debug () > 5)
+ debuglogs (5, "Ignoring \'%c\'.", ch);
+ return 1;
+ default:
+ if (sr_get_debug () > 5)
+ debuglogs (5, "Accepting \'%c\'.", ch);
+ return 0;
+ }
}
/*
* get_hex_digit -- Get a hex digit from the remote system & return its value.
- * If ignore is nonzero, ignore spaces, newline & tabs.
+ * If ignore is nonzero, ignore spaces, newline & tabs.
*/
static int
-get_hex_digit(ignore)
- int ignore;
+get_hex_digit (int ignore)
{
static int ch;
- while (1) {
- ch = readchar(timeout);
- if (junk(ch))
- continue;
- if (sr_get_debug() > 4) {
- debuglogs (4, "get_hex_digit() got a 0x%x(%c)", ch, ch);
- } else {
-#ifdef LOG_FILE /* write to the monitor log */
- if (log_file != 0x0) {
- fputs ("get_hex_digit() got a 0x", log_file);
- fputc (ch, log_file);
- fputc ('\n', log_file);
- fflush (log_file);
- }
+ while (1)
+ {
+ ch = readchar (timeout);
+ if (junk (ch))
+ continue;
+ if (sr_get_debug () > 4)
+ {
+ debuglogs (4, "get_hex_digit() got a 0x%x(%c)", ch, ch);
+ }
+ else
+ {
+#ifdef LOG_FILE /* write to the monitor log */
+ if (log_file != 0x0)
+ {
+ fputs ("get_hex_digit() got a 0x", log_file);
+ fputc (ch, log_file);
+ fputc ('\n', log_file);
+ fflush (log_file);
+ }
#endif
- }
+ }
- if (ch >= '0' && ch <= '9')
- return ch - '0';
- else if (ch >= 'A' && ch <= 'F')
- return ch - 'A' + 10;
- else if (ch >= 'a' && ch <= 'f')
- return ch - 'a' + 10;
- else if (ch == ' ' && ignore)
- ;
- else {
- expect_prompt(1);
- debuglogs (4, "Invalid hex digit from remote system. (0x%x)", ch);
- error("Invalid hex digit from remote system. (0x%x)", ch);
+ if (ch >= '0' && ch <= '9')
+ return ch - '0';
+ else if (ch >= 'A' && ch <= 'F')
+ return ch - 'A' + 10;
+ else if (ch >= 'a' && ch <= 'f')
+ return ch - 'a' + 10;
+ else if (ch == ' ' && ignore)
+ ;
+ else
+ {
+ expect_prompt (1);
+ debuglogs (4, "Invalid hex digit from remote system. (0x%x)", ch);
+ error ("Invalid hex digit from remote system. (0x%x)", ch);
+ }
}
- }
}
/* get_hex_byte -- Get a byte from monitor and put it in *BYT.
- * Accept any number leading spaces.
+ * Accept any number leading spaces.
*/
static void
-get_hex_byte (byt)
- char *byt;
+get_hex_byte (char *byt)
{
int val;
val = get_hex_digit (1) << 4;
debuglogs (4, "get_hex_byte() -- Read first nibble 0x%x", val);
-
+
val |= get_hex_digit (0);
debuglogs (4, "get_hex_byte() -- Read second nibble 0x%x", val);
*byt = val;
-
+
debuglogs (4, "get_hex_byte() -- Read a 0x%x", val);
}
/*
* get_hex_word -- Get N 32-bit words from remote, each preceded by a space,
- * and put them in registers starting at REGNO.
+ * and put them in registers starting at REGNO.
*/
static int
-get_hex_word ()
+get_hex_word (void)
{
long val, newval;
int i;
val = 0;
-#if 0
- if (HOST_BYTE_ORDER == BIG_ENDIAN) {
-#endif
- for (i = 0; i < 8; i++)
- val = (val << 4) + get_hex_digit (i == 0);
-#if 0
- } else {
- for (i = 7; i >= 0; i--)
- val = (val << 4) + get_hex_digit (i == 0);
- }
-#endif
+ for (i = 0; i < 8; i++)
+ val = (val << 4) + get_hex_digit (i == 0);
- debuglogs (4, "get_hex_word() got a 0x%x for a %s host.", val, (HOST_BYTE_ORDER == BIG_ENDIAN) ? "big endian" : "little endian");
+ debuglogs (4, "get_hex_word() got a 0x%x.", val);
return val;
}
/* This is called not only when we first attach, but also when the
user types "run" after having attached. */
static void
-array_create_inferior (execfile, args, env)
- char *execfile;
- char *args;
- char **env;
+array_create_inferior (char *execfile, char *args, char **env)
{
int entry_pt;
if (args && *args)
- error("Can't pass arguments to remote MONITOR process");
+ error ("Can't pass arguments to remote MONITOR process");
if (execfile == 0 || exec_bfd == 0)
- error("No exec file specified");
+ error ("No executable file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
/* insert_step_breakpoint (); FIXME, do we need this? */
/* Let 'er rip... */
- proceed ((CORE_ADDR)entry_pt, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0);
}
/*
* array_open -- open a connection to a remote debugger.
- * NAME is the filename used for communication.
+ * NAME is the filename used for communication.
*/
static int baudrate = 9600;
static char dev_name[100];
static void
-array_open(args, name, from_tty)
- char *args;
- char *name;
- int from_tty;
+array_open (char *args, char *name, int from_tty)
{
char packet[PBUFSIZ];
`target %s HOST-NAME:PORT-NUMBER' to use a network connection.", name, name);
/* if (is_open) */
- array_close(0);
+ array_close (0);
+
+ target_preopen (from_tty);
+ unpush_target (&array_ops);
tmp_mips_processor_type = "lsi33k"; /* change the default from r3051 */
mips_set_processor_type_command ("lsi33k", 0);
- strcpy(dev_name, args);
- array_desc = SERIAL_OPEN(dev_name);
+ strcpy (dev_name, args);
+ array_desc = serial_open (dev_name);
if (array_desc == NULL)
- perror_with_name(dev_name);
-
- if (baud_rate != -1) {
- if (SERIAL_SETBAUDRATE (array_desc, baud_rate)) {
- SERIAL_CLOSE (array_desc);
- perror_with_name (name);
+ perror_with_name (dev_name);
+
+ if (baud_rate != -1)
+ {
+ if (serial_setbaudrate (array_desc, baud_rate))
+ {
+ serial_close (array_desc);
+ perror_with_name (name);
+ }
}
- }
-
- SERIAL_RAW(array_desc);
+
+ serial_raw (array_desc);
#if defined (LOG_FILE)
log_file = fopen (LOG_FILE, "w");
if (log_file == NULL)
perror_with_name (LOG_FILE);
- fprintf_filtered (log_file, "GDB %s (%s", version);
- fprintf_filtered (log_file, " --target %s)\n", array_ops.to_shortname);
- fprintf_filtered (log_file, "Remote target %s connected to %s\n\n", array_ops.to_shortname, dev_name);
+ fprintf (log_file, "GDB %s (%s", version, host_name);
+ fprintf (log_file, " --target %s)\n", array_ops.to_shortname);
+ fprintf (log_file, "Remote target %s connected to %s\n\n", array_ops.to_shortname, dev_name);
#endif
/* see if the target is alive. For a ROM monitor, we can just try to force the
expect_prompt to print a few times. For the GDB remote protocol, the application
being debugged is sitting at a breakpoint and waiting for GDB to initialize
the connection. We force it to give us an empty packet to see if it's alive.
- */
- debuglogs (3, "Trying to ACK the target's debug stub");
- /* unless your are on the new hardware, the old board won't initialize
- because the '@' doesn't flush output like it does on the new ROMS.
- */
- printf_monitor ("@"); /* ask for the last signal */
- expect_prompt(1); /* See if we get a expect_prompt */
- make_gdb_packet (packet, "?"); /* ask for a bogus packet */
- if (array_send_packet (packet) == 0)
- error ("Couldn't transmit packet\n");
- printf_monitor ("@\n"); /* force it to flush stdout */
- expect_prompt(1); /* See if we get a expect_prompt */
-
+ */
+ debuglogs (3, "Trying to ACK the target's debug stub");
+ /* unless your are on the new hardware, the old board won't initialize
+ because the '@' doesn't flush output like it does on the new ROMS.
+ */
+ printf_monitor ("@"); /* ask for the last signal */
+ expect_prompt (1); /* See if we get a expect_prompt */
+#ifdef TEST_ARRAY /* skip packet for testing */
+ make_gdb_packet (packet, "?"); /* ask for a bogus packet */
+ if (array_send_packet (packet) == 0)
+ error ("Couldn't transmit packet\n");
+ printf_monitor ("@\n"); /* force it to flush stdout */
+ expect_prompt (1); /* See if we get a expect_prompt */
+#endif
+ push_target (&array_ops);
if (from_tty)
- printf("Remote target %s connected to %s\n", array_ops.to_shortname, dev_name);
+ printf ("Remote target %s connected to %s\n", array_ops.to_shortname, dev_name);
}
/*
* array_close -- Close out all files and local state before this
- * target loses control.
+ * target loses control.
*/
static void
-array_close (quitting)
- int quitting;
+array_close (int quitting)
{
- SERIAL_CLOSE(array_desc);
+ serial_close (array_desc);
array_desc = NULL;
debuglogs (1, "array_close (quitting=%d)", quitting);
#if defined (LOG_FILE)
- if (log_file) {
- if (ferror(log_file))
- printf_filtered ("Error writing log file.\n");
- if (fclose(log_file) != 0)
- printf_filtered ("Error closing log file.\n");
- }
+ if (log_file)
+ {
+ if (ferror (log_file))
+ printf_filtered ("Error writing log file.\n");
+ if (fclose (log_file) != 0)
+ printf_filtered ("Error closing log file.\n");
+ }
#endif
}
/*
* array_detach -- terminate the open connection to the remote
- * debugger. Use this when you want to detach and do something
- * else with your gdb.
+ * debugger. Use this when you want to detach and do something
+ * else with your gdb.
*/
static void
-array_detach (from_tty)
- int from_tty;
+array_detach (int from_tty)
{
debuglogs (1, "array_detach ()");
- pop_target(); /* calls array_close to do the real work */
+ pop_target (); /* calls array_close to do the real work */
if (from_tty)
printf ("Ending remote %s debugging\n", target_shortname);
}
* array_attach -- attach GDB to the target.
*/
static void
-array_attach (args, from_tty)
- char *args;
- int from_tty;
+array_attach (char *args, int from_tty)
{
if (from_tty)
printf ("Starting remote %s debugging\n", target_shortname);
-
+
debuglogs (1, "array_attach (args=%s)", args);
-
+
printf_monitor ("go %x\n");
/* swallow the echo. */
expect ("go %x\n", 1);
}
-
+
/*
* array_resume -- Tell the remote machine to resume.
*/
static void
-array_resume (pid, step, sig)
- int pid, step;
- enum target_signal sig;
+array_resume (ptid_t ptid, int step, enum target_signal sig)
{
debuglogs (1, "array_resume (step=%d, sig=%d)", step, sig);
- if (step) {
- printf_monitor ("s\n");
- } else {
- printf_monitor ("go");
- }
+ if (step)
+ {
+ printf_monitor ("s\n");
+ }
+ else
+ {
+ printf_monitor ("go\n");
+ }
}
+#define TMPBUFSIZ 5
+
/*
* array_wait -- Wait until the remote machine stops, then return,
* storing status in status just as `wait' would.
*/
-static int
-array_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+array_wait (ptid_t ptid, struct target_waitstatus *status)
{
int old_timeout = timeout;
+ int result, i;
+ char c;
+ struct serial *tty_desc;
+ serial_ttystate ttystate;
+
+ debuglogs (1, "array_wait (), printing extraneous text.");
- debuglogs(1, "array_wait (), printing extraneous text.");
-
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
- timeout = 0; /* Don't time out -- user program is running. */
+ timeout = 0; /* Don't time out -- user program is running. */
+
+#if !defined(__GO32__) && !defined(__MSDOS__) && !defined(_WIN32)
+ tty_desc = serial_fdopen (0);
+ ttystate = serial_get_tty_state (tty_desc);
+ serial_raw (tty_desc);
- expect_prompt(0); /* Wait for expect_prompt, outputting extraneous text */
+ i = 0;
+ /* poll on the serial port and the keyboard. */
+ while (1)
+ {
+ c = readchar (timeout);
+ if (c > 0)
+ {
+ if (c == *(ARRAY_PROMPT + i))
+ {
+ if (++i >= strlen (ARRAY_PROMPT))
+ { /* matched the prompt */
+ debuglogs (4, "array_wait(), got the expect_prompt.");
+ break;
+ }
+ }
+ else
+ { /* not the prompt */
+ i = 0;
+ }
+ fputc_unfiltered (c, gdb_stdout);
+ gdb_flush (gdb_stdout);
+ }
+ c = serial_readchar (tty_desc, timeout);
+ if (c > 0)
+ {
+ serial_write (array_desc, &c, 1);
+ /* do this so it looks like there's keyboard echo */
+ if (c == 3) /* exit on Control-C */
+ break;
+#if 0
+ fputc_unfiltered (c, gdb_stdout);
+ gdb_flush (gdb_stdout);
+#endif
+ }
+ }
+ serial_set_tty_state (tty_desc, ttystate);
+#else
+ expect_prompt (1);
debuglogs (4, "array_wait(), got the expect_prompt.");
+#endif
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
-
-
timeout = old_timeout;
- return 0;
+ return inferior_ptid;
}
/*
* array_fetch_registers -- read the remote registers into the
- * block regs.
+ * block regs.
*/
static void
-array_fetch_registers (ignored)
- int ignored;
+array_fetch_registers (int ignored)
{
- int regno, i;
+ char *reg = alloca (MAX_REGISTER_RAW_SIZE);
+ int regno;
char *p;
- unsigned char packet[PBUFSIZ];
- char regs[REGISTER_BYTES];
+ char *packet = alloca (PBUFSIZ);
debuglogs (1, "array_fetch_registers (ignored=%d)\n", ignored);
memset (packet, 0, PBUFSIZ);
- /* Unimplemented registers read as all bits zero. */
- memset (regs, 0, REGISTER_BYTES);
make_gdb_packet (packet, "g");
if (array_send_packet (packet) == 0)
error ("Couldn't transmit packet\n");
if (array_get_packet (packet) == 0)
- error ("Couldn't receive packet\n");
+ error ("Couldn't receive packet\n");
/* FIXME: read bytes from packet */
debuglogs (4, "array_fetch_registers: Got a \"%s\" back\n", packet);
- for (regno = 0; regno <= PC_REGNUM+4; regno++) {
- /* supply register stores in target byte order, so swap here */
- /* FIXME: convert from ASCII hex to raw bytes */
- i = ascii2hexword (packet + (regno * 8));
- debuglogs (5, "Adding register %d = %x\n", regno, i);
- SWAP_TARGET_AND_HOST (&i, 4);
- supply_register (regno, (char *)&i);
- }
+ for (regno = 0; regno <= PC_REGNUM + 4; regno++)
+ {
+ /* supply register stores in target byte order, so swap here */
+ /* FIXME: convert from ASCII hex to raw bytes */
+ LONGEST i = ascii2hexword (packet + (regno * 8));
+ debuglogs (5, "Adding register %d = %x\n", regno, i);
+ store_unsigned_integer (®, REGISTER_RAW_SIZE (regno), i);
+ supply_register (regno, (char *) ®);
+ }
}
/*
* protocol based on GDB's remote protocol.
*/
static void
-array_fetch_register (ignored)
- int ignored;
+array_fetch_register (int ignored)
{
- array_fetch_registers ();
+ array_fetch_registers (0 /* ignored */);
}
/*
* Get all the registers from the targets. They come back in a large array.
*/
static void
-array_store_registers (ignored)
- int ignored;
+array_store_registers (int ignored)
{
int regno;
unsigned long i;
char packet[PBUFSIZ];
char buf[PBUFSIZ];
char num[9];
-
+
debuglogs (1, "array_store_registers()");
memset (packet, 0, PBUFSIZ);
/* Unimplemented registers read as all bits zero. */
/* FIXME: read bytes from packet */
- for (regno = 0; regno < 41; regno++) { /* FIXME */
- /* supply register stores in target byte order, so swap here */
- /* FIXME: convert from ASCII hex to raw bytes */
- i = (unsigned long)read_register (regno);
- hexword2ascii (num, i);
- strcpy (buf+(regno * 8)+1, num);
- }
+ for (regno = 0; regno < 41; regno++)
+ { /* FIXME */
+ /* supply register stores in target byte order, so swap here */
+ /* FIXME: convert from ASCII hex to raw bytes */
+ i = (unsigned long) read_register (regno);
+ hexword2ascii (num, i);
+ strcpy (buf + (regno * 8) + 1, num);
+ }
*(buf + (regno * 8) + 2) = 0;
make_gdb_packet (packet, buf);
if (array_send_packet (packet) == 0)
error ("Couldn't transmit packet\n");
if (array_get_packet (packet) == 0)
- error ("Couldn't receive packet\n");
-
+ error ("Couldn't receive packet\n");
+
registers_changed ();
}
* protocol based on GDB's remote protocol.
*/
static void
-array_store_register (ignored)
- int ignored;
+array_store_register (int ignored)
{
- array_store_registers ();
+ array_store_registers (0 /* ignored */);
}
/* Get ready to modify the registers array. On machines which store
debugged. */
static void
-array_prepare_to_store ()
+array_prepare_to_store (void)
{
/* Do nothing, since we can store individual regs */
}
static void
-array_files_info ()
+array_files_info (void)
{
printf ("\tAttached to %s at %d baud.\n",
dev_name, baudrate);
/*
* array_write_inferior_memory -- Copy LEN bytes of data from debugger
- * memory at MYADDR to inferior's memory at MEMADDR. Returns length moved.
+ * memory at MYADDR to inferior's memory at MEMADDR. Returns length moved.
*/
static int
-array_write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- unsigned char *myaddr;
- int len;
+array_write_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
{
unsigned long i;
int j;
char buf[PBUFSIZ];
char num[9];
char *p;
-
+
debuglogs (1, "array_write_inferior_memory (memaddr=0x%x, myaddr=0x%x, len=%d)", memaddr, myaddr, len);
- memset (buf, '\0', PBUFSIZ); /* this also sets the string terminator */
+ memset (buf, '\0', PBUFSIZ); /* this also sets the string terminator */
p = buf;
- *p++ = 'M'; /* The command to write memory */
+ *p++ = 'M'; /* The command to write memory */
hexword2ascii (num, memaddr); /* convert the address */
- strcpy (p, num); /* copy the address */
+ strcpy (p, num); /* copy the address */
p += 8;
- *p++ = ','; /* add comma delimeter */
- hexword2ascii (num, len); /* Get the length as a 4 digit number */
+ *p++ = ','; /* add comma delimeter */
+ hexword2ascii (num, len); /* Get the length as a 4 digit number */
*p++ = num[4];
*p++ = num[5];
*p++ = num[6];
*p++ = num[7];
- *p++ = ':'; /* add the colon delimeter */
- for (j = 0; j < len; j++) { /* copy the data in after converting it */
- *p++ = tohex ((myaddr[j] >> 4) & 0xf);
- *p++ = tohex (myaddr[j] & 0xf);
- }
-
+ *p++ = ':'; /* add the colon delimeter */
+ for (j = 0; j < len; j++)
+ { /* copy the data in after converting it */
+ *p++ = tohex ((myaddr[j] >> 4) & 0xf);
+ *p++ = tohex (myaddr[j] & 0xf);
+ }
+
make_gdb_packet (packet, buf);
if (array_send_packet (packet) == 0)
error ("Couldn't transmit packet\n");
if (array_get_packet (packet) == 0)
- error ("Couldn't receive packet\n");
+ error ("Couldn't receive packet\n");
return len;
}
/*
* array_read_inferior_memory -- read LEN bytes from inferior memory
- * at MEMADDR. Put the result at debugger address MYADDR. Returns
- * length moved.
+ * at MEMADDR. Put the result at debugger address MYADDR. Returns
+ * length moved.
*/
static int
-array_read_inferior_memory(memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+array_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len)
{
- int i, j;
+ int j;
char buf[20];
char packet[PBUFSIZ];
-
- /* Number of bytes read so far. */
- int count;
-
- /* Starting address of this pass. */
- unsigned long startaddr;
-
- /* Starting address of this pass. */
- unsigned long endaddr;
-
- /* Number of bytes to read in this pass. */
- int len_this_pass;
+ int count; /* Number of bytes read so far. */
+ unsigned long startaddr; /* Starting address of this pass. */
+ int len_this_pass; /* Number of bytes to read in this pass. */
debuglogs (1, "array_read_inferior_memory (memaddr=0x%x, myaddr=0x%x, len=%d)", memaddr, myaddr, len);
array_read_bytes (CORE_ADDR_MAX - 3, foo, 4)
doesn't need to work. Detect it and give up if there's an attempt
to do that. */
- if (((memaddr - 1) + len) < memaddr) {
- errno = EIO;
- return 0;
- }
-
- startaddr = memaddr;
- count = 0;
- while (count < len) {
- len_this_pass = 16;
- if ((startaddr % 16) != 0)
- len_this_pass -= startaddr % 16;
- if (len_this_pass > (len - count))
- len_this_pass = (len - count);
-
- debuglogs (3, "Display %d bytes at %x for Big Endian host", len_this_pass, startaddr);
-
- for (i = 0; i < len_this_pass; i++) {
- sprintf (buf, "m%08x,%04x", startaddr, len_this_pass);
+ if (((memaddr - 1) + len) < memaddr)
+ {
+ errno = EIO;
+ return 0;
+ }
+
+ for (count = 0, startaddr = memaddr; count < len; startaddr += len_this_pass)
+ {
+ /* Try to align to 16 byte boundry (why?) */
+ len_this_pass = 16;
+ if ((startaddr % 16) != 0)
+ {
+ len_this_pass -= startaddr % 16;
+ }
+ /* Only transfer bytes we need */
+ if (len_this_pass > (len - count))
+ {
+ len_this_pass = (len - count);
+ }
+ /* Fetch the bytes */
+ debuglogs (3, "read %d bytes from inferior address %x", len_this_pass,
+ startaddr);
+ sprintf (buf, "m%08lx,%04x", startaddr, len_this_pass);
make_gdb_packet (packet, buf);
if (array_send_packet (packet) == 0)
- error ("Couldn't transmit packet\n");
+ {
+ error ("Couldn't transmit packet\n");
+ }
if (array_get_packet (packet) == 0)
- error ("Couldn't receive packet\n");
+ {
+ error ("Couldn't receive packet\n");
+ }
if (*packet == 0)
- error ("Got no data in the GDB packet\n");
- debuglogs (4, "array_read_inferior: Got a \"%s\" back\n", packet);
- for (j = 0; j < len_this_pass ; j++) { /* extract the byte values */
- myaddr[count++] = from_hex (*(packet+(j*2))) * 16 + from_hex (*(packet+(j*2)+1));
- debuglogs (5, "myaddr set to %x\n", myaddr[count-1]);
- }
- startaddr += 1;
+ {
+ error ("Got no data in the GDB packet\n");
+ }
+ /* Pick packet apart and xfer bytes to myaddr */
+ debuglogs (4, "array_read_inferior_memory: Got a \"%s\" back\n", packet);
+ for (j = 0; j < len_this_pass; j++)
+ {
+ /* extract the byte values */
+ myaddr[count++] = from_hex (*(packet + (j * 2))) * 16 + from_hex (*(packet + (j * 2) + 1));
+ debuglogs (5, "myaddr[%d] set to %x\n", count - 1, myaddr[count - 1]);
+ }
}
-
- }
- return len;
+ return (count);
}
-/* FIXME-someday! merge these two. */
+/* Transfer LEN bytes between GDB address MYADDR and target address
+ MEMADDR. If WRITE is non-zero, transfer them to the target,
+ otherwise transfer them from the target. TARGET is unused.
+
+ Returns the number of bytes transferred. */
+
static int
-array_xfer_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
+array_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
if (write)
return array_write_inferior_memory (memaddr, myaddr, len);
}
static void
-array_kill (args, from_tty)
- char *args;
- int from_tty;
+array_kill (char *args, int from_tty)
{
- return; /* ignore attempts to kill target system */
+ return; /* ignore attempts to kill target system */
}
/* Clean up when a program exits.
instructions. */
static void
-array_mourn_inferior ()
+array_mourn_inferior (void)
{
remove_breakpoints ();
generic_mourn_inferior (); /* Do all the proper things now */
#define MAX_ARRAY_BREAKPOINTS 16
-extern int memory_breakpoint_size;
-static CORE_ADDR breakaddr[MAX_ARRAY_BREAKPOINTS] = {0};
+static CORE_ADDR breakaddr[MAX_ARRAY_BREAKPOINTS] =
+{0};
/*
* array_insert_breakpoint -- add a breakpoint
*/
static int
-array_insert_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
+array_insert_breakpoint (CORE_ADDR addr, char *shadow)
{
int i;
+ int bp_size = 0;
+ CORE_ADDR bp_addr = addr;
debuglogs (1, "array_insert_breakpoint() addr = 0x%x", addr);
-
- for (i = 0; i <= MAX_ARRAY_BREAKPOINTS; i++) {
- if (breakaddr[i] == 0) {
- breakaddr[i] = addr;
- if (sr_get_debug() > 4)
- printf ("Breakpoint at %x\n", addr);
- array_read_inferior_memory(addr, shadow, memory_breakpoint_size);
- printf_monitor("b 0x%x\n", addr);
- expect_prompt(1);
- return 0;
+ BREAKPOINT_FROM_PC (&bp_addr, &bp_size);
+
+ for (i = 0; i <= MAX_ARRAY_BREAKPOINTS; i++)
+ {
+ if (breakaddr[i] == 0)
+ {
+ breakaddr[i] = addr;
+ if (sr_get_debug () > 4)
+ printf ("Breakpoint at %s\n", paddr_nz (addr));
+ array_read_inferior_memory (bp_addr, shadow, bp_size);
+ printf_monitor ("b 0x%x\n", addr);
+ expect_prompt (1);
+ return 0;
+ }
}
- }
- fprintf(stderr, "Too many breakpoints (> 16) for monitor\n");
+ fprintf (stderr, "Too many breakpoints (> 16) for monitor\n");
return 1;
}
* _remove_breakpoint -- Tell the monitor to remove a breakpoint
*/
static int
-array_remove_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
+array_remove_breakpoint (CORE_ADDR addr, char *shadow)
{
int i;
debuglogs (1, "array_remove_breakpoint() addr = 0x%x", addr);
- for (i = 0; i < MAX_ARRAY_BREAKPOINTS; i++) {
- if (breakaddr[i] == addr) {
- breakaddr[i] = 0;
- /* some monitors remove breakpoints based on the address */
- printf_monitor("bd %x\n", i);
- expect_prompt(1);
- return 0;
+ for (i = 0; i < MAX_ARRAY_BREAKPOINTS; i++)
+ {
+ if (breakaddr[i] == addr)
+ {
+ breakaddr[i] = 0;
+ /* some monitors remove breakpoints based on the address */
+ printf_monitor ("bd %x\n", i);
+ expect_prompt (1);
+ return 0;
+ }
}
- }
- fprintf(stderr, "Can't find breakpoint associated with 0x%x\n", addr);
+ fprintf (stderr, "Can't find breakpoint associated with 0x%s\n",
+ paddr_nz (addr));
return 1;
}
static void
-array_stop ()
+array_stop (void)
{
debuglogs (1, "array_stop()");
- printf_monitor("\003");
- expect_prompt(1);
+ printf_monitor ("\003");
+ expect_prompt (1);
}
/*
* array_command -- put a command string, in args, out to MONITOR.
- * Output from MONITOR is placed on the users terminal until the
- * expect_prompt is seen. FIXME
+ * Output from MONITOR is placed on the users terminal until the
+ * expect_prompt is seen. FIXME
*/
static void
-monitor_command (args, fromtty)
- char *args;
- int fromtty;
+monitor_command (char *args, int fromtty)
{
debuglogs (1, "monitor_command (args=%s)", args);
if (array_desc == NULL)
- error("monitor target not open.");
+ error ("monitor target not open.");
if (!args)
- error("Missing command.");
-
+ error ("Missing command.");
+
printf_monitor ("%s\n", args);
- expect_prompt(0);
+ expect_prompt (0);
}
/*
* make_gdb_packet -- make a GDB packet. The data is always ASCII.
- * A debug packet whose contents are <data>
- * is encapsulated for transmission in the form:
+ * A debug packet whose contents are <data>
+ * is encapsulated for transmission in the form:
*
- * $ <data> # CSUM1 CSUM2
+ * $ <data> # CSUM1 CSUM2
*
* <data> must be ASCII alphanumeric and cannot include characters
* '$' or '#'. If <data> starts with two characters followed by
*
*/
static void
-make_gdb_packet (buf, data)
- char *buf, *data;
+make_gdb_packet (char *buf, char *data)
{
int i;
unsigned char csum = 0;
char *p;
debuglogs (3, "make_gdb_packet(%s)\n", data);
- cnt = strlen (data);
+ cnt = strlen (data);
if (cnt > PBUFSIZ)
error ("make_gdb_packet(): to much data\n");
*p++ = '$';
/* calculate the checksum */
- for (i = 0; i < cnt; i++) {
- csum += data[i];
- *p++ = data[i];
- }
+ for (i = 0; i < cnt; i++)
+ {
+ csum += data[i];
+ *p++ = data[i];
+ }
/* terminate the data with a '#' */
*p++ = '#';
-
+
/* add the checksum as two ascii digits */
*p++ = tohex ((csum >> 4) & 0xf);
*p++ = tohex (csum & 0xf);
- *p = 0x0; /* Null terminator on string */
+ *p = 0x0; /* Null terminator on string */
}
/*
* array_send_packet -- send a GDB packet to the target with error handling. We
- * get a '+' (ACK) back if the packet is received and the checksum
- * matches. Otherwise a '-' (NAK) is returned. It returns a 1 for a
- * successful transmition, or a 0 for a failure.
+ * get a '+' (ACK) back if the packet is received and the checksum
+ * matches. Otherwise a '-' (NAK) is returned. It returns a 1 for a
+ * successful transmition, or a 0 for a failure.
*/
static int
-array_send_packet (packet)
- char *packet;
+array_send_packet (char *packet)
{
int c, retries, i;
char junk[PBUFSIZ];
this may sound silly, but sometimes a garbled packet will hang
the target board. We scan the whole thing, then print the error
message.
- */
- for (i = 0; i < strlen(packet); i++) {
- debuglogs (5, "array_send_packet(): Scanning \'%c\'\n", packet[i]);
- /* legit hex numbers or command */
- if ((isxdigit(packet[i])) || (isalpha(packet[i])))
- continue;
- switch (packet[i]) {
- case '+': /* ACK */
- case '-': /* NAK */
- case '#': /* end of packet */
- case '$': /* start of packet */
- continue;
- default: /* bogus character */
- retries++;
- debuglogs (4, "array_send_packet(): Found a non-ascii digit \'%c\' in the packet.\n", packet[i]);
+ */
+ for (i = 0; i < strlen (packet); i++)
+ {
+ debuglogs (5, "array_send_packet(): Scanning \'%c\'\n", packet[i]);
+ /* legit hex numbers or command */
+ if ((isxdigit (packet[i])) || (isalpha (packet[i])))
+ continue;
+ switch (packet[i])
+ {
+ case '+': /* ACK */
+ case '-': /* NAK */
+ case '#': /* end of packet */
+ case '$': /* start of packet */
+ continue;
+ default: /* bogus character */
+ retries++;
+ debuglogs (4, "array_send_packet(): Found a non-ascii digit \'%c\' in the packet.\n", packet[i]);
+ }
}
- }
-#endif
+#endif
if (retries > 0)
error ("Can't send packet, found %d non-ascii characters", retries);
/* ok, try to send the packet */
retries = 0;
- while (retries++ <= 10) {
- printf_monitor ("%s", packet);
-
- /* read until either a timeout occurs (-2) or '+' is read */
- while (retries <= 10) {
- c = readchar (-timeout);
- debuglogs (3, "Reading a GDB protocol packet... Got a '%c'\n", c);
- switch (c) {
- case '+':
- debuglogs (3, "Got Ack\n");
- return 1;
- case SERIAL_TIMEOUT:
- debuglogs (3, "Timed out reading serial port\n");
- printf_monitor("@"); /* resync with the monitor */
- expect_prompt(1); /* See if we get a expect_prompt */
- break; /* Retransmit buffer */
- case '-':
- debuglogs (3, "Got NAK\n");
- printf_monitor("@"); /* resync with the monitor */
- expect_prompt(1); /* See if we get a expect_prompt */
- break;
- case '$':
- /* it's probably an old response, or the echo of our command.
- * just gobble up the packet and ignore it.
- */
- debuglogs (3, "Got a junk packet\n");
- i = 0;
- do {
- c = readchar (timeout);
- junk[i++] = c;
- } while (c != '#');
- c = readchar (timeout);
- junk[i++] = c;
- c = readchar (timeout);
- junk[i++] = c;
- junk[i++] = '\0';
- debuglogs (3, "Reading a junk packet, got a \"%s\"\n", junk);
- continue; /* Now, go look for next packet */
- default:
- continue;
- }
- retries++;
- debuglogs (3, "Retransmitting packet \"%s\"\n", packet);
- break; /* Here to retransmit */
- }
- } /* outer while */
+ while (retries++ <= 10)
+ {
+ printf_monitor ("%s", packet);
+
+ /* read until either a timeout occurs (-2) or '+' is read */
+ while (retries <= 10)
+ {
+ c = readchar (-timeout);
+ debuglogs (3, "Reading a GDB protocol packet... Got a '%c'\n", c);
+ switch (c)
+ {
+ case '+':
+ debuglogs (3, "Got Ack\n");
+ return 1;
+ case SERIAL_TIMEOUT:
+ debuglogs (3, "Timed out reading serial port\n");
+ printf_monitor ("@"); /* resync with the monitor */
+ expect_prompt (1); /* See if we get a expect_prompt */
+ break; /* Retransmit buffer */
+ case '-':
+ debuglogs (3, "Got NAK\n");
+ printf_monitor ("@"); /* resync with the monitor */
+ expect_prompt (1); /* See if we get a expect_prompt */
+ break;
+ case '$':
+ /* it's probably an old response, or the echo of our command.
+ * just gobble up the packet and ignore it.
+ */
+ debuglogs (3, "Got a junk packet\n");
+ i = 0;
+ do
+ {
+ c = readchar (timeout);
+ junk[i++] = c;
+ }
+ while (c != '#');
+ c = readchar (timeout);
+ junk[i++] = c;
+ c = readchar (timeout);
+ junk[i++] = c;
+ junk[i++] = '\0';
+ debuglogs (3, "Reading a junk packet, got a \"%s\"\n", junk);
+ continue; /* Now, go look for next packet */
+ default:
+ continue;
+ }
+ retries++;
+ debuglogs (3, "Retransmitting packet \"%s\"\n", packet);
+ break; /* Here to retransmit */
+ }
+ } /* outer while */
return 0;
}
/*
* array_get_packet -- get a GDB packet from the target. Basically we read till we
- * see a '#', then check the checksum. It returns a 1 if it's gotten a
- * packet, or a 0 it the packet wasn't transmitted correctly.
+ * see a '#', then check the checksum. It returns a 1 if it's gotten a
+ * packet, or a 0 it the packet wasn't transmitted correctly.
*/
static int
-array_get_packet (packet)
- char *packet;
+array_get_packet (char *packet)
{
int c;
int retries;
memset (packet, 1, PBUFSIZ);
retries = 0;
- while (retries <= 10) {
- do {
- c = readchar (timeout);
- if (c == SERIAL_TIMEOUT) {
- debuglogs (3, "array_get_packet: got time out from serial port.\n");
- }
- debuglogs (3, "Waiting for a '$', got a %c\n", c);
- } while (c != '$');
-
- retries = 0;
- while (retries <= 10) {
- c = readchar (timeout);
- debuglogs (3, "array_get_packet: got a '%c'\n", c);
- switch (c) {
- case SERIAL_TIMEOUT:
- debuglogs (3, "Timeout in mid-packet, retrying\n");
- return 0;
- case '$':
- debuglogs (3, "Saw new packet start in middle of old one\n");
- return 0; /* Start a new packet, count retries */
- case '#':
- *bp = '\0';
- pktcsum = from_hex (readchar (timeout)) << 4;
- pktcsum |= from_hex (readchar (timeout));
- if (csum == 0)
- debuglogs (3, "\nGDB packet checksum zero, must be a bogus packet\n");
- if (csum == pktcsum) {
- debuglogs (3, "\nGDB packet checksum correct, packet data is \"%s\",\n", packet);
- printf_monitor ("@");
- expect_prompt (1);
- return 1;
- }
- debuglogs (3, "Bad checksum, sentsum=0x%x, csum=0x%x\n", pktcsum, csum);
- return 0;
- case '*': /* Run length encoding */
- debuglogs (5, "Run length encoding in packet\n");
- csum += c;
- c = readchar (timeout);
- csum += c;
- c = c - ' ' + 3; /* Compute repeat count */
-
- if (c > 0 && c < 255 && bp + c - 1 < packet + PBUFSIZ - 1) {
- memset (bp, *(bp - 1), c);
- bp += c;
- continue;
+ while (retries <= 10)
+ {
+ do
+ {
+ c = readchar (timeout);
+ if (c == SERIAL_TIMEOUT)
+ {
+ debuglogs (3, "array_get_packet: got time out from serial port.\n");
+ }
+ debuglogs (3, "Waiting for a '$', got a %c\n", c);
}
- *bp = '\0';
- printf_filtered ("Repeat count %d too large for buffer.\n", c);
- return 0;
-
- default:
- if ((!isxdigit(c)) && (!ispunct(c)))
- debuglogs (4, "Got a non-ascii digit \'%c\'.\\n", c);
- if (bp < packet + PBUFSIZ - 1) {
- *bp++ = c;
- csum += c;
- continue;
+ while (c != '$');
+
+ retries = 0;
+ while (retries <= 10)
+ {
+ c = readchar (timeout);
+ debuglogs (3, "array_get_packet: got a '%c'\n", c);
+ switch (c)
+ {
+ case SERIAL_TIMEOUT:
+ debuglogs (3, "Timeout in mid-packet, retrying\n");
+ return 0;
+ case '$':
+ debuglogs (3, "Saw new packet start in middle of old one\n");
+ return 0; /* Start a new packet, count retries */
+ case '#':
+ *bp = '\0';
+ pktcsum = from_hex (readchar (timeout)) << 4;
+ pktcsum |= from_hex (readchar (timeout));
+ if (csum == 0)
+ debuglogs (3, "\nGDB packet checksum zero, must be a bogus packet\n");
+ if (csum == pktcsum)
+ {
+ debuglogs (3, "\nGDB packet checksum correct, packet data is \"%s\",\n", packet);
+ printf_monitor ("@");
+ expect_prompt (1);
+ return 1;
+ }
+ debuglogs (3, "Bad checksum, sentsum=0x%x, csum=0x%x\n", pktcsum, csum);
+ return 0;
+ case '*': /* Run length encoding */
+ debuglogs (5, "Run length encoding in packet\n");
+ csum += c;
+ c = readchar (timeout);
+ csum += c;
+ c = c - ' ' + 3; /* Compute repeat count */
+
+ if (c > 0 && c < 255 && bp + c - 1 < packet + PBUFSIZ - 1)
+ {
+ memset (bp, *(bp - 1), c);
+ bp += c;
+ continue;
+ }
+ *bp = '\0';
+ printf_filtered ("Repeat count %d too large for buffer.\n", c);
+ return 0;
+
+ default:
+ if ((!isxdigit (c)) && (!ispunct (c)))
+ debuglogs (4, "Got a non-ascii digit \'%c\'.\\n", c);
+ if (bp < packet + PBUFSIZ - 1)
+ {
+ *bp++ = c;
+ csum += c;
+ continue;
+ }
+
+ *bp = '\0';
+ puts_filtered ("Remote packet too long.\n");
+ return 0;
+ }
}
-
- *bp = '\0';
- puts_filtered ("Remote packet too long.\n");
- return 0;
- }
}
- }
+ return 0; /* exceeded retries */
}
/*
* ascii2hexword -- convert an ascii number represented by 8 digits to a hex value.
*/
static unsigned long
-ascii2hexword (mem)
- unsigned char *mem;
+ascii2hexword (unsigned char *mem)
{
unsigned long val;
int i;
char buf[9];
val = 0;
- for (i = 0; i < 8; i++) {
- val <<= 4;
- if (mem[i] >= 'A' && mem[i] <= 'F')
- val = val + mem[i] - 'A' + 10;
- if (mem[i] >= 'a' && mem[i] <= 'f')
- val = val + mem[i] - 'a' + 10;
- if (mem[i] >= '0' && mem[i] <= '9')
- val = val + mem[i] - '0';
- buf[i] = mem[i];
- }
+ for (i = 0; i < 8; i++)
+ {
+ val <<= 4;
+ if (mem[i] >= 'A' && mem[i] <= 'F')
+ val = val + mem[i] - 'A' + 10;
+ if (mem[i] >= 'a' && mem[i] <= 'f')
+ val = val + mem[i] - 'a' + 10;
+ if (mem[i] >= '0' && mem[i] <= '9')
+ val = val + mem[i] - '0';
+ buf[i] = mem[i];
+ }
buf[8] = '\0';
debuglogs (4, "ascii2hexword() got a 0x%x from %s(%x).\n", val, buf, mem);
return val;
/*
* ascii2hexword -- convert a hex value to an ascii number represented by 8
- * digits.
+ * digits.
*/
-static char*
-hexword2ascii (mem, num)
- unsigned char *mem;
- unsigned long num;
+static void
+hexword2ascii (unsigned char *mem, unsigned long num)
{
int i;
unsigned char ch;
-
+
debuglogs (4, "hexword2ascii() converting %x ", num);
- for (i = 7; i >= 0; i--) {
- mem[i] = tohex ((num >> 4) & 0xf);
- mem[i] = tohex (num & 0xf);
- num = num >> 4;
- }
+ for (i = 7; i >= 0; i--)
+ {
+ mem[i] = tohex ((num >> 4) & 0xf);
+ mem[i] = tohex (num & 0xf);
+ num = num >> 4;
+ }
mem[8] = '\0';
debuglogs (4, "\tto a %s", mem);
}
/* Convert hex digit A to a number. */
static int
-from_hex (a)
- int a;
-{
+from_hex (int a)
+{
if (a == 0)
return 0;
- debuglogs (4, "from_hex got a 0x%x(%c)\n",a,a);
+ debuglogs (4, "from_hex got a 0x%x(%c)\n", a, a);
if (a >= '0' && a <= '9')
return a - '0';
if (a >= 'a' && a <= 'f')
return a - 'a' + 10;
if (a >= 'A' && a <= 'F')
return a - 'A' + 10;
- else {
- error ("Reply contains invalid hex digit 0x%x", a);
- }
+ else
+ {
+ error ("Reply contains invalid hex digit 0x%x", a);
+ }
}
/* Convert number NIB to a hex digit. */
static int
-tohex (nib)
- int nib;
+tohex (int nib)
{
if (nib < 10)
- return '0'+nib;
+ return '0' + nib;
else
- return 'a'+nib-10;
+ return 'a' + nib - 10;
}
/*
* _initialize_remote_monitors -- setup a few addtitional commands that
- * are usually only used by monitors.
+ * are usually only used by monitors.
*/
void
-_initialize_remote_monitors ()
+_initialize_remote_monitors (void)
{
/* generic monitor command */
add_com ("monitor", class_obscure, monitor_command,
- "Send a command to the debug monitor.");
+ "Send a command to the debug monitor.");
}
* _initialize_array -- do any special init stuff for the target.
*/
void
-_initialize_array ()
+_initialize_array (void)
{
+ init_array_ops ();
add_target (&array_ops);
- baud_rate = 4800; /* this is the only supported baud rate */
}
-
projects / deliverable / binutils-gdb.git / blobdiff