/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
- Copyright 1995 Free Software Foundation, Inc.
+ Copyright 1995, 1996, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Steve Chamberlain
(sac@cygnus.com).
#include "target.h"
#include "monitor.h"
#include "serial.h"
+#include "regcache.h"
-static void hms_open PARAMS ((char *args, int from_tty));
+static void hms_open (char *args, int from_tty);
static void
-hms_supply_register (regname, regnamelen, val, vallen)
- char *regname;
- int regnamelen;
- char *val;
- int vallen;
+hms_supply_register (char *regname, int regnamelen, char *val, int vallen)
{
int regno;
* registers either. So, typing "info reg sp" becomes a "r30".
*/
-static char *hms_regnames[NUM_REGS] =
+static char *hms_regnames[] =
{
- "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC"
+ "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC", "", "", "", ""
};
/*
} /* init_hms-cmds */
static void
-hms_open (args, from_tty)
- char *args;
- int from_tty;
+hms_open (char *args, int from_tty)
{
monitor_open (args, &hms_cmds, from_tty);
}
int write_dos_tick_delay;
+extern initialize_file_ftype _initialize_remote_hms; /* -Wmissing-prototypes */
+
void
-_initialize_remote_hms ()
+_initialize_remote_hms (void)
{
init_hms_cmds ();
init_monitor_ops (&hms_ops);
write_dos_tick_delay = 1;
add_target (&hms_ops);
}
-
-#if 0
-/* This is kept here because we used to support the H8/500 in this module,
- and I haven't done the H8/500 yet */
-#include "defs.h"
-#include "inferior.h"
-#include "wait.h"
-#include "value.h"
-#include "gdb_string.h"
-#include <ctype.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <errno.h>
-#include "terminal.h"
-#include "target.h"
-#include "gdbcore.h"
-#include "serial.h"
-#include "remote-utils.h"
-/* External data declarations */
-extern int stop_soon_quietly; /* for wait_for_inferior */
-
-/* Forward data declarations */
-extern struct target_ops hms_ops; /* Forward declaration */
-
-/* Forward function declarations */
-static void hms_fetch_registers ();
-static int hms_store_registers ();
-static void hms_close ();
-static int hms_clear_breakpoints ();
-
-extern struct target_ops hms_ops;
-static void hms_drain ();
-static void add_commands ();
-static void remove_commands ();
-
-static int quiet = 1; /* FIXME - can be removed after Dec '94 */
-
-
-
-/***********************************************************************
- * I/O stuff stolen from remote-eb.c
- ***********************************************************************/
-
-static int timeout = 2;
-
-static const char *dev_name;
-
-/* Descriptor for I/O to remote machine. Initialize it to -1 so that
- hms_open knows that we don't have a file open when the program
- starts. */
-
-static int before = 0xdead;
-static int is_open = 0;
-static int after = 0xdead;
-int
-check_open ()
-{
- if (before != 0xdead
- || after != 0xdead)
- printf ("OUTCH! \n");
- if (!is_open)
- {
- error ("remote device not open");
- }
-}
-
-#define ON 1
-#define OFF 0
-
-/* Read a character from the remote system, doing all the fancy
- timeout stuff. */
-static int
-readchar ()
-{
- int buf;
-
- buf = SERIAL_READCHAR (desc, timeout);
-
- if (buf == SERIAL_TIMEOUT)
- {
- hms_write (".\r\n", 3);
- error ("Timeout reading from remote system.");
- }
- if (buf == SERIAL_ERROR)
- {
- error ("Serial port error!");
- }
-
- if (!quiet || remote_debug)
- printf_unfiltered ("%c", buf);
-
- return buf & 0x7f;
-}
-
-static void
-flush ()
-{
- while (1)
- {
- int b = SERIAL_READCHAR (desc, 0);
- if (b == SERIAL_TIMEOUT)
- return;
- }
-}
-
-static int
-readchar_nofail ()
-{
- int buf;
-
- buf = SERIAL_READCHAR (desc, timeout);
- if (buf == SERIAL_TIMEOUT)
- buf = 0;
- if (!quiet || remote_debug)
- printf_unfiltered ("%c", buf);
-
- return buf & 0x7f;
-
-}
-
-/* Keep discarding input from the remote system, until STRING is found.
- Let the user break out immediately. */
-static void
-expect (string)
- char *string;
-{
- char *p = string;
- char c;
- immediate_quit = 1;
- while (1)
- {
- c = readchar ();
- if (c == *p)
- {
- p++;
- if (*p == '\0')
- {
- immediate_quit = 0;
- return;
- }
- }
- else
- {
- p = string;
- if (c == *p)
- p++;
- }
- }
-}
-
-/* Keep discarding input until we see the hms prompt.
-
- The convention for dealing with the prompt is that you
- o give your command
- o *then* wait for the prompt.
-
- Thus the last thing that a procedure does with the serial line
- will be an expect_prompt(). Exception: hms_resume does not
- wait for the prompt, because the terminal is being handed over
- to the inferior. However, the next thing which happens after that
- is a hms_wait which does wait for the prompt.
- Note that this includes abnormal exit, e.g. error(). This is
- necessary to prevent getting into states from which we can't
- recover. */
-static void
-expect_prompt ()
-{
- expect ("HMS>");
-}
-
-/* Get a hex digit from the remote system & return its value.
- If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */
-static int
-get_hex_digit (ignore_space)
- int ignore_space;
-{
- int ch;
-
- while (1)
- {
- ch = readchar ();
- if (ch >= '0' && ch <= '9')
- return ch - '0';
- else if (ch >= 'A' && ch <= 'F')
- return ch - 'A' + 10;
- else if (ch >= 'a' && ch <= 'f')
- return ch - 'a' + 10;
- else if (ch == ' ' && ignore_space)
- ;
- else
- {
- expect_prompt ();
- error ("Invalid hex digit from remote system.");
- }
- }
-}
-
-/* Get a byte from hms_desc and put it in *BYT. Accept any number
- leading spaces. */
-static void
-get_hex_byte (byt)
- char *byt;
-{
- int val;
-
- val = get_hex_digit (1) << 4;
- val |= get_hex_digit (0);
- *byt = val;
-}
-
-/* Read a 32-bit hex word from the hms, preceded by a space */
-static long
-get_hex_word ()
-{
- long val;
- int j;
-
- val = 0;
- for (j = 0; j < 8; j++)
- val = (val << 4) + get_hex_digit (j == 0);
- return val;
-}
-
-/* Called when SIGALRM signal sent due to alarm() timeout. */
-
-/* Number of SIGTRAPs we need to simulate. That is, the next
- NEED_ARTIFICIAL_TRAP calls to hms_wait should just return
- SIGTRAP without actually waiting for anything. */
-
-static int need_artificial_trap = 0;
-
-void
-hms_kill (arg, from_tty)
- char *arg;
- int from_tty;
-{
-
-}
-
-/* This is called not only when we first attach, but also when the
- user types "run" after having attached. */
-void
-hms_create_inferior (execfile, args, env)
- char *execfile;
- char *args;
- char **env;
-{
- int entry_pt;
- char buffer[100];
-
- if (args && *args)
- error ("Can't pass arguments to remote hms process.");
-
- if (execfile == 0 || exec_bfd == 0)
- error ("No executable file specified");
-
- entry_pt = (int) bfd_get_start_address (exec_bfd);
- check_open ();
-
- hms_kill (NULL, NULL);
- hms_clear_breakpoints ();
- init_wait_for_inferior ();
- hms_write_cr ("");
- expect_prompt ();
-
- insert_breakpoints (); /* Needed to get correct instruction in cache */
- proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0);
-}
-
-/* Open a connection to a remote debugger.
- NAME is the filename used for communication, then a space,
- then the baud rate.
- */
-
-static char *
-find_end_of_word (s)
- char *s;
-{
- while (*s && !isspace (*s))
- s++;
- return s;
-}
-
-static char *
-get_word (p)
- char **p;
-{
- char *s = *p;
- char *word;
- char *copy;
- size_t len;
-
- while (isspace (*s))
- s++;
-
- word = s;
-
- len = 0;
-
- while (*s && !isspace (*s))
- {
- s++;
- len++;
-
- }
- copy = xmalloc (len + 1);
- memcpy (copy, word, len);
- copy[len] = 0;
- *p = s;
- return copy;
-}
-
-static int baudrate = 9600;
-
-static int
-is_baudrate_right ()
-{
- int ok;
-
- /* Put this port into NORMAL mode, send the 'normal' character */
-
- hms_write ("\001", 1); /* Control A */
- hms_write ("\r\n", 2); /* Cr */
-
- while (1)
- {
- ok = SERIAL_READCHAR (desc, timeout);
- if (ok < 0)
- break;
- }
-
- hms_write ("r", 1);
-
- if (readchar_nofail () == 'r')
- return 1;
-
- /* Not the right baudrate, or the board's not on */
- return 0;
-}
-static void
-set_rate ()
-{
- if (!SERIAL_SETBAUDRATE (desc, baudrate))
- error ("Can't set baudrate");
-}
-
-
-
-/* Close out all files and local state before this target loses control. */
-
-static void
-hms_close (quitting)
- int quitting;
-{
- /* Clear any break points */
- remove_commands ();
- hms_clear_breakpoints ();
- sleep (1); /* Let any output make it all the way back */
- if (is_open)
- {
- SERIAL_WRITE (desc, "R\r\n", 3);
- SERIAL_CLOSE (desc);
- }
- is_open = 0;
-}
-
-/* Terminate the open connection to the remote debugger. Use this
- when you want to detach and do something else with your gdb. */ void
-hms_detach (args, from_tty)
- char *args;
- int from_tty;
-{
- if (is_open)
- {
- hms_clear_breakpoints ();
- }
-
- pop_target (); /* calls hms_close to do the real work
- */
- if (from_tty)
- printf_filtered ("Ending remote %s debugging\n",
- target_shortname);
-}
-
-/* Tell the remote machine to resume. */
-
-void
-hms_resume (pid, step, sig)
- int pid, step;
- enum target_signal
- sig;
-{
- if (step)
- {
- hms_write_cr ("s");
- expect ("Step>");
-
- /* Force the next hms_wait to return a trap. Not doing anything
- about I/O from the target means that the user has to type "continue"
- to see any. FIXME, this should be fixed. */
- need_artificial_trap = 1;
- }
- else
- {
- hms_write_cr ("g");
- expect ("g");
- }
-}
-
-/* Wait until the remote machine stops, then return, storing status in
- STATUS just as `wait' would. */
-
-int
-hms_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
-{
- /* Strings to look for. '?' means match any single character. Note
- that with the algorithm we use, the initial character of the string
- cannot recur in the string, or we will not find some cases of the
- string in the input. */
-
- static char bpt[] = "At breakpoint:";
-
- /* It would be tempting to look for "\n[__exit + 0x8]\n" but that
- requires loading symbols with "yc i" and even if we did do that we
- don't know that the file has symbols. */
- static char exitmsg[] = "HMS>";
- char *bp = bpt;
- char *ep = exitmsg;
-
- /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars.
- */
- char swallowed[50];
-
- /* Current position in swallowed. */
- char *swallowed_p = swallowed;
-
- int ch;
- int ch_handled;
- int old_timeout = timeout;
- int
- old_immediate_quit = immediate_quit;
- int swallowed_cr = 0;
-
- status->kind = TARGET_WAITKIND_EXITED;
- status->value.integer = 0;
-
- if (need_artificial_trap != 0)
- {
- status->kind =
- TARGET_WAITKIND_STOPPED;
- status->value.sig = TARGET_SIGNAL_TRAP;
- need_artificial_trap--;
- return 0;
- }
-
- timeout = 5; /* Don't time out for a while - user program is running.
- */
- immediate_quit = 1; /* Helps ability to QUIT */
- while (1)
- {
- QUIT; /* Let user quit and leave process running */
- ch_handled = 0;
- ch = readchar ();
- if (ch == *bp)
- {
- bp++;
- if (*bp == '\0')
- break;
- ch_handled = 1;
-
- *swallowed_p++ = ch;
- }
- else
- {
- bp = bpt;
- }
- if
- (ch == *ep || *ep == '?')
- {
- ep++;
- if (*ep == '\0')
- break;
-
- if (!ch_handled)
- *swallowed_p++ = ch;
- ch_handled =
- 1;
- }
- else
- {
- ep = exitmsg;
- }
-
- if (!ch_handled)
- {
- char *p;
-
- /* Print out any characters which have been swallowed. */
- for (p = swallowed; p < swallowed_p; ++p)
- putchar_unfiltered (*p);
- swallowed_p = swallowed;
-
- if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
- {
- putchar_unfiltered (ch);
- swallowed_cr = 10;
- }
- swallowed_cr++;
-
- }
- }
- if (*bp == '\0')
- {
- status->kind = TARGET_WAITKIND_STOPPED;
- status->value.sig = TARGET_SIGNAL_TRAP;
- expect_prompt ();
- }
- else
- {
- status->kind = TARGET_WAITKIND_EXITED;
- status->value.integer =
- TARGET_SIGNAL_STOP;
- }
-
- timeout = old_timeout;
- immediate_quit = old_immediate_quit;
- return
- 0;
-}
-
-/* Return the name of register number REGNO in the form input and
- output by hms.
-
- Returns a pointer to a static buffer containing the answer. */
-static char *
-get_reg_name (regno)
- int regno;
-{
- static char *rn[] =
- REGISTER_NAMES;
-
- return rn[regno];
-}
-
-/* Read the remote registers. */
-
-static int
-gethex (length, start, ok)
- unsigned int length;
- char *start;
- int *ok;
-{
- int result = 0;
-
- while (length--)
- {
- result <<= 4;
- if (*start >= 'a' && *start <= 'f')
- {
- result += *start - 'a' + 10;
- }
- else if (*start >= 'A' &&
- *start <= 'F')
- {
- result += *start - 'A' + 10;
- }
- else if
- (*start >= '0' && *start <= '9')
- {
- result += *start - '0';
- }
- else
- *ok = 0;
- start++;
-
- }
- return result;
-}
-static int
-timed_read (buf, n, timeout)
- char
- *buf;
-
-{
- int i;
- char c;
-
- i = 0;
- while (i < n)
- {
- c = readchar ();
-
- if (c == 0)
- return i;
- buf[i] = c;
- i++;
-
- }
- return i;
-}
-
-hms_write (a, l)
- char *a;
-{
- int i;
-
- SERIAL_WRITE (desc, a, l);
-
- if (!quiet || remote_debug)
- {
- printf_unfiltered ("<");
- for (i = 0; i < l; i++)
- {
- printf_unfiltered ("%c", a[i]);
- }
- printf_unfiltered (">");
- }
-}
-
-hms_write_cr (s)
- char *s;
-{
- hms_write (s, strlen (s));
- hms_write ("\r\n", 2);
-}
-
-#ifdef GDB_TARGET_IS_H8500
-
-/* H8/500 monitor reg dump looks like:
-
- HMS>r
- PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00
- R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE
- HMS>
-
-
- */
-
-supply_val (n, size, ptr, segptr)
- int n;
- int size;
- char *ptr;
- char *segptr;
-{
- int ok;
- char raw[4];
- switch (size)
- {
- case 2:
- raw[0] = gethex (2, ptr, &ok);
- raw[1] = gethex (2, ptr + 2, &ok);
- supply_register (n, raw);
- break;
- case 1:
- raw[0] = gethex (2, ptr, &ok);
- supply_register (n, raw);
- break;
- case 4:
- {
- int v = gethex (4, ptr, &ok);
- v |= gethex (2, segptr, &ok) << 16;
- raw[0] = 0;
- raw[1] = (v >> 16) & 0xff;
- raw[2] = (v >> 8) & 0xff;
- raw[3] = (v >> 0) & 0xff;
- supply_register (n, raw);
- }
- }
-
-}
-static void
-hms_fetch_register (dummy)
- int dummy;
-{
-#define REGREPLY_SIZE 108
- char linebuf[REGREPLY_SIZE + 1];
- int i;
- int s;
- int gottok;
-
- LONGEST reg[NUM_REGS];
- check_open ();
-
- do
- {
-
- hms_write_cr ("r");
- expect ("r");
- s = timed_read (linebuf + 1, REGREPLY_SIZE, 1);
-
- linebuf[REGREPLY_SIZE] = 0;
- gottok = 0;
- if (linebuf[3] == 'P' &&
- linebuf[4] == 'C' &&
- linebuf[5] == ':' &&
- linebuf[105] == 'H' &&
- linebuf[106] == 'M' &&
- linebuf[107] == 'S')
- {
-
- /*
- 012
- r**
- -------1---------2---------3---------4---------5-----
- 345678901234567890123456789012345678901234567890123456
- PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00**
- ---6---------7---------8---------9--------10----
- 789012345678901234567890123456789012345678901234
- R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE**
-
- 56789
- HMS>
- */
- gottok = 1;
-
-
- supply_val (PC_REGNUM, 4, linebuf + 6, linebuf + 29);
-
- supply_val (CCR_REGNUM, 2, linebuf + 14);
- supply_val (SEG_C_REGNUM, 1, linebuf + 29);
- supply_val (SEG_D_REGNUM, 1, linebuf + 35);
- supply_val (SEG_E_REGNUM, 1, linebuf + 41);
- supply_val (SEG_T_REGNUM, 1, linebuf + 47);
- for (i = 0; i < 8; i++)
- {
- static int sr[8] =
- {35, 35, 35, 35,
- 41, 41, 47, 47};
-
- char raw[4];
- char *src = linebuf + 64 + 5 * i;
- char *segsrc = linebuf + sr[i];
- supply_val (R0_REGNUM + i, 2, src);
- supply_val (PR0_REGNUM + i, 4, src, segsrc);
- }
- }
- if (!gottok)
- {
- hms_write_cr ("");
- expect ("HMS>");
- }
- }
- while (!gottok);
-}
-#endif
-
-#ifdef GDB_TARGET_IS_H8300
-static void
-hms_fetch_register (dummy)
- int dummy;
-{
-#define REGREPLY_SIZE 79
- char linebuf[REGREPLY_SIZE + 1];
- int i;
- int s;
- int gottok;
-
- ULONGEST reg[NUM_REGS];
-
- check_open ();
-
- do
- {
- hms_write_cr ("r");
-
- s = timed_read (linebuf, 1, 1);
-
- while (linebuf[0] != 'r')
- s = timed_read (linebuf, 1, 1);
-
- s = timed_read (linebuf + 1, REGREPLY_SIZE - 1, 1);
-
- linebuf[REGREPLY_SIZE] = 0;
- gottok = 0;
- if (linebuf[0] == 'r' &&
- linebuf[3] == 'P' &&
- linebuf[4] == 'C' &&
- linebuf[5] == '=' &&
- linebuf[75] == 'H' &&
- linebuf[76] == 'M' &&
- linebuf[77] == 'S')
- {
- /*
- PC=XXXX CCR=XX:XXXXXXXX R0-R7= XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX
- 5436789012345678901234567890123456789012345678901234567890123456789012
- 0 1 2 3 4 5 6
- */
- gottok = 1;
-
- reg[PC_REGNUM] = gethex (4, linebuf + 6, &gottok);
- reg[CCR_REGNUM] = gethex (2, linebuf + 15, &gottok);
- for (i = 0; i < 8; i++)
- {
- reg[i] = gethex (4, linebuf + 34 + 5 * i, &gottok);
- }
- }
- }
- while (!gottok);
- for (i = 0; i < NUM_REGS; i++)
- {
- char swapped[2];
-
- swapped[1] = reg[i];
- swapped[0] = (reg[i]) >> 8;
-
- supply_register (i, swapped);
- }
-}
-#endif
-/* Store register REGNO, or all if REGNO == -1.
- Return errno value. */
-static void
-hms_store_register (regno)
- int regno;
-{
- if (regno == -1)
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- {
- hms_store_register (regno);
- }
- }
- else
- {
- char *name = get_reg_name (regno);
- char buffer[100];
- /* Some regs dont really exist */
- if (!(name[0] == 'p' && name[1] == 'r')
- && !(name[0] == 'c' && name[1] == 'y')
- && !(name[0] == 't' && name[1] == 'i')
- && !(name[0] == 'i' && name[1] == 'n'))
- {
- sprintf (buffer, "r %s=%x", name, read_register (regno));
- hms_write_cr (buffer);
- expect_prompt ();
- }
- }
-}
-
-
-/* Get ready to modify the registers array. On machines which store
- individual registers, this doesn't need to do anything. On machines
- which store all the registers in one fell swoop, this makes sure
- that registers contains all the registers from the program being
- debugged. */
-
-void
-hms_prepare_to_store ()
-{
- /* Do nothing, since we can store individual regs */
-}
-
-static CORE_ADDR
-translate_addr (addr)
- CORE_ADDR addr;
-{
-
- return (addr);
-
-}
-
-
-int
-hms_xfer_inferior_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
-{
-
- return len;
-}
-
-int
-hms_write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- unsigned char *myaddr;
- int len;
-{
- bfd_vma addr;
- int done;
- int todo;
- char buffer[100];
- done = 0;
- hms_write_cr (".");
- expect_prompt ();
- while (done < len)
- {
- char *ptr = buffer;
- int thisgo;
- int idx;
-
- thisgo = len - done;
- if (thisgo > 20)
- thisgo = 20;
-
- sprintf (ptr, "M.B %4x =", memaddr + done);
- ptr += 10;
- for (idx = 0; idx < thisgo; idx++)
- {
- sprintf (ptr, "%2x ", myaddr[idx + done]);
- ptr += 3;
- }
- hms_write_cr (buffer);
- expect_prompt ();
- done += thisgo;
- }
-}
-
-void
-hms_files_info ()
-{
- char *file = "nothing";
-
- if (exec_bfd)
- file = bfd_get_filename (exec_bfd);
-
- if (exec_bfd)
-#ifdef __GO32__
- printf_filtered ("\tAttached to DOS asynctsr and running program %s\n", file);
-#else
- printf_filtered ("\tAttached to %s at %d baud and running program %s\n", dev_name, baudrate, file);
-#endif
- printf_filtered ("\ton an H8/300 processor.\n");
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR. Returns errno value.
- * sb/sh instructions don't work on unaligned addresses, when TU=1.
- */
-
-/* Read LEN bytes from inferior memory at MEMADDR. Put the result
- at debugger address MYADDR. Returns errno value. */
-int
-hms_read_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- /* Align to nearest low 16 bits */
- int i;
-
- CORE_ADDR start = memaddr;
- CORE_ADDR end = memaddr + len - 1;
-
- int ok = 1;
-
- /*
- AAAA: XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX '................'
- 012345678901234567890123456789012345678901234567890123456789012345
- 0 1 2 3 4 5 6
- */
- char buffer[66];
-
- if (memaddr & 0xf)
- abort ();
- if (len != 16)
- abort ();
-
- sprintf (buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
-
- flush ();
- hms_write_cr (buffer);
- /* drop the echo and newline */
- for (i = 0; i < 13; i++)
- readchar ();
-
- /* Grab the lines as they come out and fill the area */
- /* Skip over cr */
- while (1)
- {
- int p;
- int i;
- int addr;
- size_t idx;
-
- char byte[16];
-
- buffer[0] = readchar ();
- while (buffer[0] == '\r'
- || buffer[0] == '\n')
- buffer[0] = readchar ();
-
- if (buffer[0] == 'M')
- break;
-
- for (i = 1; i < 50; i++)
- {
- buffer[i] = readchar ();
- }
- /* sometimes we loose characters in the ascii representation of the
- data. I don't know where. So just scan for the end of line */
- i = readchar ();
- while (i != '\n' && i != '\r')
- i = readchar ();
-
- /* Now parse the line */
-
- addr = gethex (4, buffer, &ok);
- idx = 6;
- for (p = 0; p < 16; p += 2)
- {
- byte[p] = gethex (2, buffer + idx, &ok);
- byte[p + 1] = gethex (2, buffer + idx + 2, &ok);
- idx += 5;
- }
-
- for (p = 0; p < 16; p++)
- {
- if (addr + p >= memaddr &&
- addr + p < memaddr + len)
- {
- myaddr[(addr + p) - memaddr] = byte[p];
-
- }
-
- }
- }
-#ifdef GDB_TARGET_IS_H8500
- expect ("ore>");
-#endif
-#ifdef GDB_TARGET_IS_H8300
- expect ("emory>");
-#endif
- hms_write_cr (".");
-
- expect_prompt ();
- return len;
-}
-
-
-
-#define MAX_BREAKS 16
-static int num_brkpts = 0;
-static int
-hms_insert_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save; /* Throw away, let hms save instructions */
-{
- check_open ();
-
- if (num_brkpts < MAX_BREAKS)
- {
- char buffer[100];
-
- num_brkpts++;
- sprintf (buffer, "b %x", addr & 0xffff);
- hms_write_cr (buffer);
- expect_prompt ();
- return (0);
- }
- else
- {
- fprintf_filtered (gdb_stderr,
- "Too many break points, break point not installed\n");
- return (1);
- }
-
-}
-static int
-hms_remove_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save; /* Throw away, let hms save instructions */
-{
- if (num_brkpts > 0)
- {
- char buffer[100];
-
- num_brkpts--;
- sprintf (buffer, "b - %x", addr & 0xffff);
- hms_write_cr (buffer);
- expect_prompt ();
-
- }
- return (0);
-}
-
-/* Clear the hmss notion of what the break points are */
-static int
-hms_clear_breakpoints ()
-{
-
- if (is_open)
- {
- hms_write_cr ("b -");
- expect_prompt ();
- }
- num_brkpts = 0;
-}
-static void
-hms_mourn ()
-{
- hms_clear_breakpoints ();
- unpush_target (&hms_ops);
- generic_mourn_inferior ();
-}
-
-/* Put a command string, in args, out to the hms. The hms is assumed to
- be in raw mode, all writing/reading done through desc.
- Ouput from the hms is placed on the users terminal until the
- prompt from the hms is seen.
- FIXME: Can't handle commands that take input. */
-
-void
-hms_com (args, fromtty)
- char *args;
- int fromtty;
-{
- check_open ();
-
- if (!args)
- return;
-
- /* Clear all input so only command relative output is displayed */
-
- hms_write_cr (args);
-/* hms_write ("\030", 1); */
- expect_prompt ();
-}
-
-static void
-hms_open (name, from_tty)
- char *name;
- int from_tty;
-{
- unsigned int prl;
- char *p;
-
- if (name == 0)
- {
- name = "";
- }
- if (is_open)
- hms_close (0);
- dev_name = strdup (name);
-
- if (!(desc = SERIAL_OPEN (dev_name)))
- perror_with_name ((char *) dev_name);
-
- SERIAL_RAW (desc);
- is_open = 1;
- push_target (&hms_ops);
- dcache_ptr = dcache_init (hms_read_inferior_memory,
- hms_write_inferior_memory);
- remote_dcache = 1;
- /* Hello? Are you there? */
- SERIAL_WRITE (desc, "\r\n", 2);
- expect_prompt ();
-
- /* Clear any break points */
- hms_clear_breakpoints ();
-
- printf_filtered ("Connected to remote board running HMS monitor.\n");
- add_commands ();
-/* hms_drain (); */
-}
-
-/* Define the target subroutine names */
-
-struct target_ops hms_ops;
-
-static void
-init_hms_ops (void)
-{
- hms_ops.to_shortname = "hms";
- hms_ops.to_longname = "Remote HMS monitor";
- hms_ops.to_doc = "Use the H8 evaluation board running the HMS monitor connected\n\
-by a serial line.";
- hms_ops.to_open = hms_open;
- hms_ops.to_close = hms_close;
- hms_ops.to_attach = 0;
- hms_ops.to_post_attach = NULL;
- hms_ops.to_require_attach = NULL;
- hms_ops.to_detach = hms_detach;
- hms_ops.to_require_detach = NULL;
- hms_ops.to_resume = hms_resume;
- hms_ops.to_wait = hms_wait;
- hms_ops.to_post_wait = NULL;
- hms_ops.to_fetch_registers = hms_fetch_register;
- hms_ops.to_store_registers = hms_store_register;
- hms_ops.to_prepare_to_store = hms_prepare_to_store;
- hms_ops.to_xfer_memory = hms_xfer_inferior_memory;
- hms_ops.to_files_info = hms_files_info;
- hms_ops.to_insert_breakpoint = hms_insert_breakpoint;
- hms_ops.to_remove_breakpoint = hms_remove_breakpoint;
- hms_ops.to_terminal_init = 0;
- hms_ops.to_terminal_inferior = 0;
- hms_ops.to_terminal_ours_for_output = 0;
- hms_ops.to_terminal_ours = 0;
- hms_ops.to_terminal_info = 0;
- hms_ops.to_kill = hms_kill;
- hms_ops.to_load = generic_load;
- hms_ops.to_lookup_symbol = 0;
- hms_ops.to_create_inferior = hms_create_inferior;
- hms_ops.to_post_startup_inferior = NULL;
- hms_ops.to_acknowledge_created_inferior = NULL;
- hms_ops.to_clone_and_follow_inferior = NULL;
- hms_ops.to_post_follow_inferior_by_clone = NULL;
- hms_ops.to_insert_fork_catchpoint = NULL;
- hms_ops.to_remove_fork_catchpoint = NULL;
- hms_ops.to_insert_vfork_catchpoint = NULL;
- hms_ops.to_remove_vfork_catchpoint = NULL;
- hms_ops.to_has_forked = NULL;
- hms_ops.to_has_vforked = NULL;
- hms_ops.to_can_follow_vfork_prior_to_exec = NULL;
- hms_ops.to_post_follow_vfork = NULL;
- hms_ops.to_insert_exec_catchpoint = NULL;
- hms_ops.to_remove_exec_catchpoint = NULL;
- hms_ops.to_has_execd = NULL;
- hms_ops.to_reported_exec_events_per_exec_call = NULL;
- hms_ops.to_has_exited = NULL;
- hms_ops.to_mourn_inferior = hms_mourn;
- hms_ops.to_can_run = 0;
- hms_ops.to_notice_signals = 0;
- hms_ops.to_thread_alive = 0;
- hms_ops.to_stop = 0;
- hms_ops.to_pid_to_exec_file = NULL;
- hms_ops.to_core_file_to_sym_file = NULL;
- hms_ops.to_stratum = process_stratum;
- hms_ops.DONT_USE = 0;
- hms_ops.to_has_all_memory = 1;
- hms_ops.to_has_memory = 1;
- hms_ops.to_has_stack = 1;
- hms_ops.to_has_registers = 1;
- hms_ops.to_has_execution = 1;
- hms_ops.to_sections = 0;
- hms_ops.to_sections_end = 0;
- hms_ops.to_magic = OPS_MAGIC;
-};
-
-hms_quiet () /* FIXME - this routine can be removed after Dec '94 */
-{
- quiet = !quiet;
- if (quiet)
- printf_filtered ("Snoop disabled\n");
- else
- printf_filtered ("Snoop enabled\n");
-
- printf_filtered ("`snoop' is obsolete, please use `set remotedebug'.\n");
-}
-
-hms_device (s)
- char *s;
-{
- if (s)
- {
- dev_name = get_word (&s);
- }
-}
-
-static
-hms_speed (s)
- char *s;
-{
- check_open ();
-
- if (s)
- {
- char buffer[100];
- int newrate = atoi (s);
- int which = 0;
-
- if (SERIAL_SETBAUDRATE (desc, newrate))
- error ("Can't use %d baud\n", newrate);
-
- printf_filtered ("Checking target is in sync\n");
-
- printf_filtered ("Sending commands to set target to %d\n",
- baudrate);
-
- sprintf (buffer, "tm %d. N 8 1", baudrate);
- hms_write_cr (buffer);
- }
-}
-
-/***********************************************************************/
-
-static void
-hms_drain (args, fromtty)
- char *args;
- int fromtty;
-{
- int c;
- while (1)
- {
- c = SERIAL_READCHAR (desc, 1);
- if (c == SERIAL_TIMEOUT)
- break;
- if (c == SERIAL_ERROR)
- break;
- if (c > ' ' && c < 127)
- printf ("%c", c & 0xff);
- else
- printf ("<%x>", c & 0xff);
- }
-}
-
-static void
-add_commands ()
-{
-
- add_com ("hms_drain", class_obscure, hms_drain,
- "Drain pending hms text buffers.");
-}
-
-static void
-remove_commands ()
-{
- extern struct cmd_list_element *cmdlist;
- delete_cmd ("hms-drain", &cmdlist);
-}
-
-
-void
-_initialize_remote_hms ()
-{
- init_hms_ops ();
- add_target (&hms_ops);
-
- add_com ("hms <command>", class_obscure, hms_com,
- "Send a command to the HMS monitor.");
-
- /* FIXME - hms_quiet and `snoop' can be removed after Dec '94 */
- add_com ("snoop", class_obscure, hms_quiet,
- "Show what commands are going to the monitor (OBSOLETE - see 'set remotedebug')");
-
- add_com ("device", class_obscure, hms_device,
- "Set the terminal line for HMS communications");
-
- add_com ("speed", class_obscure, hms_speed,
- "Set the terminal line speed for HMS communications");
-
- dev_name = NULL;
-}
-#endif
projects / deliverable / binutils-gdb.git / blobdiff