/* Remote debugging interface for Motorola's MVME187BUG monitor, an embedded
monitor for the m88k.
- Copyright 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by K. Richard Pixley.
-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., 675 Mass Ave, Cambridge, MA 02139, 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 "inferior.h"
-#include "wait.h"
-#include "value.h"
-
-#include <string.h>
+#include "gdb_string.h"
+#include "regcache.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 "gdbcmd.h"
-extern int sleep();
-extern int remque();
-extern int insque();
+#include "remote-utils.h"
/* External data declarations */
extern int stop_soon_quietly; /* for wait_for_inferior */
extern struct target_ops bug_ops; /* Forward declaration */
/* Forward function declarations */
-static void bug_close ();
-static int bug_clear_breakpoints ();
-static void bug_write_cr();
-
-#if __STDC__ == 1
-
-static int bug_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len);
-static int bug_write_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len);
-
-#else
-
-static int bug_read_inferior_memory ();
-static int bug_write_inferior_memory ();
-
-#endif /* not __STDC__ */
+static int bug_clear_breakpoints (void);
-/* To be silent, or to loudly echo all input and output to and from
- the target. */
+static int bug_read_memory (CORE_ADDR memaddr,
+ unsigned char *myaddr, int len);
-static int quiet = 1;
-
-/* This is the serial descriptor to our target. */
-
-static serial_t desc = NULL;
+static int bug_write_memory (CORE_ADDR memaddr,
+ unsigned char *myaddr, int len);
/* This variable is somewhat arbitrary. It's here so that it can be
set from within a running gdb. */
record. I call this download a "frame". Srec_frame says how many
bytes will be represented in each frame. */
-static int srec_frame = 160;
+#define SREC_SIZE 160
+static int srec_frame = SREC_SIZE;
/* This variable determines how many bytes will be represented in each
S3 s-record. */
static int srec_noise = 0;
-/***********************************************************************/
-/* Caching stuff stolen from remote-nindy.c */
-
-/* The data cache records all the data read from the remote machine
- since the last time it stopped.
-
- Each cache block holds LINE_SIZE bytes of data
- starting at a multiple-of-LINE_SIZE address. */
-
-#define LINE_SIZE_POWER 4
-#define LINE_SIZE (1<<LINE_SIZE_POWER) /* eg 1<<3 == 8 */
-#define LINE_SIZE_MASK ((LINE_SIZE-1)) /* eg 7*2+1= 111*/
-#define DCACHE_SIZE 64 /* Number of cache blocks */
-#define XFORM(x) ((x&LINE_SIZE_MASK)>>2)
-struct dcache_block
- {
- struct dcache_block *next, *last;
- unsigned int addr; /* Address for which data is recorded. */
- int data[LINE_SIZE / sizeof (int)];
- };
-
-struct dcache_block dcache_free, dcache_valid;
-
-/* Free all the data cache blocks, thus discarding all cached data. */
-static
-void
-dcache_flush ()
-{
- register struct dcache_block *db;
-
- while ((db = dcache_valid.next) != &dcache_valid)
- {
- remque (db);
- insque (db, &dcache_free);
- }
-}
-
-/*
- * If addr is present in the dcache, return the address of the block
- * containing it.
- */
-static
-struct dcache_block *
-dcache_hit (addr)
- unsigned int addr;
-{
- register struct dcache_block *db;
-
- if (addr & 3)
- abort ();
-
- /* Search all cache blocks for one that is at this address. */
- db = dcache_valid.next;
- while (db != &dcache_valid)
- {
- if ((addr & ~LINE_SIZE_MASK) == db->addr)
- return db;
- db = db->next;
- }
- return NULL;
-}
-
-/* Return the int data at address ADDR in dcache block DC. */
-static
-int
-dcache_value (db, addr)
- struct dcache_block *db;
- unsigned int addr;
-{
- if (addr & 3)
- abort ();
- return (db->data[XFORM (addr)]);
-}
-
-/* Get a free cache block, put or keep it on the valid list,
- and return its address. The caller should store into the block
- the address and data that it describes, then remque it from the
- free list and insert it into the valid list. This procedure
- prevents errors from creeping in if a ninMemGet is interrupted
- (which used to put garbage blocks in the valid list...). */
-static
-struct dcache_block *
-dcache_alloc ()
-{
- register struct dcache_block *db;
-
- if ((db = dcache_free.next) == &dcache_free)
- {
- /* If we can't get one from the free list, take last valid and put
- it on the free list. */
- db = dcache_valid.last;
- remque (db);
- insque (db, &dcache_free);
- }
-
- remque (db);
- insque (db, &dcache_valid);
- return (db);
-}
-
-/* Return the contents of the word at address ADDR in the remote machine,
- using the data cache. */
-static
-int
-dcache_fetch (addr)
- CORE_ADDR addr;
-{
- register struct dcache_block *db;
-
- db = dcache_hit (addr);
- if (db == 0)
- {
- db = dcache_alloc ();
- immediate_quit++;
- bug_read_inferior_memory (addr & ~LINE_SIZE_MASK, (unsigned char *) db->data, LINE_SIZE);
- immediate_quit--;
- db->addr = addr & ~LINE_SIZE_MASK;
- remque (db); /* Off the free list */
- insque (db, &dcache_valid); /* On the valid list */
- }
- return (dcache_value (db, addr));
-}
-
-/* Write the word at ADDR both in the data cache and in the remote machine. */
-static void
-dcache_poke (addr, data)
- CORE_ADDR addr;
- int data;
-{
- register struct dcache_block *db;
-
- /* First make sure the word is IN the cache. DB is its cache block. */
- db = dcache_hit (addr);
- if (db == 0)
- {
- db = dcache_alloc ();
- immediate_quit++;
- bug_write_inferior_memory (addr & ~LINE_SIZE_MASK, (unsigned char *) db->data, LINE_SIZE);
- immediate_quit--;
- db->addr = addr & ~LINE_SIZE_MASK;
- remque (db); /* Off the free list */
- insque (db, &dcache_valid); /* On the valid list */
- }
-
- /* Modify the word in the cache. */
- db->data[XFORM (addr)] = data;
-
- /* Send the changed word. */
- immediate_quit++;
- bug_write_inferior_memory (addr, (unsigned char *) &data, 4);
- immediate_quit--;
-}
-
-/* The cache itself. */
-struct dcache_block the_cache[DCACHE_SIZE];
-
-/* Initialize the data cache. */
-static void
-dcache_init ()
-{
- register i;
- register struct dcache_block *db;
-
- db = the_cache;
- dcache_free.next = dcache_free.last = &dcache_free;
- dcache_valid.next = dcache_valid.last = &dcache_valid;
- for (i = 0; i < DCACHE_SIZE; i++, db++)
- insque (db, &dcache_free);
-}
-
-/***********************************************************************
- * I/O stuff stolen from remote-eb.c
- ***********************************************************************/
-
-/* with a timeout of 2, we time out waiting for the prompt after an
- s-record dump. */
-static int timeout = 4;
-
-static const char *dev_name;
-
-/* Descriptor for I/O to remote machine. Initialize it to -1 so that
- bug_open knows that we don't have a file open when the program
- starts. */
-
-static int is_open = 0;
-static int
-check_open ()
-{
- if (!is_open)
- {
- error ("remote device not open");
- }
-
- return(1);
-}
-
-#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)
- error ("Timeout reading from remote system.");
-
- if (!quiet)
- printf ("%c", buf);
-
- return buf & 0x7f;
-}
-
-static int
-readchar_nofail ()
-{
- int buf;
-
- buf = SERIAL_READCHAR (desc, timeout);
- if (buf == SERIAL_TIMEOUT)
- buf = 0;
- if (!quiet)
- if (buf)
- printf ("%c", buf);
- else
- printf ("<timeout>");
-
- return buf & 0x7f;
-
-}
-
-static int
-pollchar()
-{
- int buf;
-
- buf = SERIAL_READCHAR (desc, 0);
- if (buf == SERIAL_TIMEOUT)
- buf = 0;
- if (!quiet)
- if (buf)
- printf ("%c", buf);
- else
- printf ("<empty poll>");
-
- 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;
-
- immediate_quit = 1;
- for (;;)
- {
- if (readchar () == *p)
- {
- p++;
- if (*p == '\0')
- {
- immediate_quit = 0;
- return;
- }
- }
- else
- p = string;
- }
-}
-
-/* Keep discarding input until we see the bug 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: bug_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 bug_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 ("Bug>");
-}
-
-/* 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;
-
- for (;;)
- {
- 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)
- {
- expect_prompt ();
- error ("Invalid hex digit from remote system.");
- }
- }
-}
-
-/* Get a byte from bug_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 bug, 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
static int need_artificial_trap = 0;
-void
-bug_kill (arg, from_tty)
- char *arg;
- int from_tty;
-{
-
-}
-
/*
* Download a file specified in 'args', to the bug.
*/
static void
-bug_load (args, fromtty)
- char *args;
- int fromtty;
+bug_load (char *args, int fromtty)
{
bfd *abfd;
asection *s;
char buffer[1024];
- check_open ();
+ sr_check_open ();
- dcache_flush ();
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
abfd = bfd_openr (args, 0);
if (!abfd)
{
s = abfd->sections;
while (s != (asection *) NULL)
{
+ srec_frame = SREC_SIZE;
if (s->flags & SEC_LOAD)
{
int i;
char *buffer = xmalloc (srec_frame);
- printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma, s->vma + s->_raw_size);
- fflush (stdout);
+ printf_filtered ("%s\t: 0x%4lx .. 0x%4lx ", s->name, s->vma, s->vma + s->_raw_size);
+ gdb_flush (gdb_stdout);
for (i = 0; i < s->_raw_size; i += srec_frame)
{
if (srec_frame > s->_raw_size - i)
srec_frame = s->_raw_size - i;
bfd_get_section_contents (abfd, s, buffer, i, srec_frame);
- bug_write_inferior_memory (s->vma + i, buffer, srec_frame);
+ bug_write_memory (s->vma + i, buffer, srec_frame);
printf_filtered ("*");
- fflush (stdout);
+ gdb_flush (gdb_stdout);
}
printf_filtered ("\n");
- free (buffer);
+ xfree (buffer);
}
s = s->next;
}
sprintf (buffer, "rs ip %lx", (unsigned long) abfd->start_address);
- bug_write_cr (buffer);
- expect_prompt ();
-}
-
-/* This is called not only when we first attach, but also when the
- user types "run" after having attached. */
-void
-bug_create_inferior (execfile, args, env)
- char *execfile;
- char *args;
- char **env;
-{
- int entry_pt;
-
- if (args && *args)
- error ("Can't pass arguments to remote bug process.");
-
- if (execfile == 0 || exec_bfd == 0)
- error ("No exec file specified");
-
- entry_pt = (int) bfd_get_start_address (exec_bfd);
- check_open ();
-
- bug_kill (NULL, NULL);
- bug_clear_breakpoints ();
- init_wait_for_inferior ();
- bug_write_cr ("");
- expect_prompt ();
-
- insert_breakpoints (); /* Needed to get correct instruction in cache */
- proceed (entry_pt, -1, 0);
+ sr_write_cr (buffer);
+ gr_expect_prompt ();
}
+#if 0
static char *
-get_word (p)
- char **p;
+get_word (char **p)
{
char *s = *p;
char *word;
*p = s;
return copy;
}
+#endif
-static int baudrate = 9600;
-
-static void
-bug_open (name, from_tty)
- char *name;
- int from_tty;
+static struct gr_settings bug_settings =
{
- push_target (&bug_ops);
-
- if (name == 0)
- {
- name = "";
- }
- if (is_open)
- bug_close (0);
- dev_name = strdup (name);
-
- if (!(desc = SERIAL_OPEN (dev_name)))
- perror_with_name ((char *) dev_name);
-
- SERIAL_RAW (desc);
- is_open = 1;
-
- dcache_init ();
-
- /* Hello? Are you there? */
- SERIAL_WRITE (desc, "\r", 1);
- expect_prompt ();
-
- /* Clear any break points */
- bug_clear_breakpoints ();
-
- printf_filtered ("Connected to remote 187bug system.\n");
-}
-
-/* Close out all files and local state before this target loses control. */
+ "Bug>", /* prompt */
+ &bug_ops, /* ops */
+ bug_clear_breakpoints, /* clear_all_breakpoints */
+ gr_generic_checkin, /* checkin */
+};
-static void
-bug_close (quitting)
- int quitting;
+static char *cpu_check_strings[] =
{
- /* Clear any break points */
- bug_clear_breakpoints ();
-
- if (is_open)
- SERIAL_CLOSE (desc);
-
- is_open = 0;
-}
+ "=",
+ "Invalid Register",
+};
-/* Terminate the open connection to the remote debugger.
- Use this when you want to detach and do something else
- with your gdb. */
-void
-bug_detach (args, from_tty)
- char *args;
- int from_tty;
+static void
+bug_open (char *args, int from_tty)
{
- if (is_open)
- bug_clear_breakpoints ();
+ if (args == NULL)
+ args = "";
- pop_target (); /* calls bug_close to do the real work */
+ gr_open (args, from_tty, &bug_settings);
+ /* decide *now* whether we are on an 88100 or an 88110 */
+ sr_write_cr ("rs cr06");
+ sr_expect ("rs cr06");
- if (from_tty)
- printf_filtered ("Ending remote %s debugging\n", target_shortname);
+ switch (gr_multi_scan (cpu_check_strings, 0))
+ {
+ case 0: /* this is an m88100 */
+ target_is_m88110 = 0;
+ break;
+ case 1: /* this is an m88110 */
+ target_is_m88110 = 1;
+ break;
+ default:
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ }
}
/* Tell the remote machine to resume. */
void
-bug_resume (pid, step, sig)
- int pid, step, sig;
+bug_resume (ptid_t ptid, int step, enum target_signal sig)
{
- dcache_flush ();
-
if (step)
{
- bug_write_cr("t");
+ sr_write_cr ("t");
/* Force the next bug_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. */
+ 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
- bug_write_cr ("g");
+ sr_write_cr ("g");
return;
}
-static int
-double_scan (a, b)
- char *a, *b;
+/* Wait until the remote machine stops, then return,
+ storing status in STATUS just as `wait' would. */
+
+static char *wait_strings[] =
{
- /* 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. */
+ "At Breakpoint",
+ "Exception: Data Access Fault (Local Bus Timeout)",
+ "\r8??\?-Bug>", /* The '\?' avoids creating a trigraph */
+ "\r197-Bug>",
+ NULL,
+};
- char *pa = a;
- char *pb = b;
+ptid_t
+bug_wait (ptid_t ptid, struct target_waitstatus *status)
+{
+ int old_timeout = sr_get_timeout ();
+ int old_immediate_quit = immediate_quit;
- /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */
- char swallowed[50];
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
- /* Current position in swallowed. */
- char *swallowed_p = swallowed;
+ /* read off leftovers from resume so that the rest can be passed
+ back out as stdout. */
+ if (need_artificial_trap == 0)
+ {
+ sr_expect ("Effective address: ");
+ (void) sr_get_hex_word ();
+ sr_expect ("\r\n");
+ }
- int ch = readchar();
- int ch_handled;
- int swallowed_cr = 0;
+ sr_set_timeout (-1); /* Don't time out -- user program is running. */
+ immediate_quit = 1; /* Helps ability to QUIT */
- for (;;)
+ switch (gr_multi_scan (wait_strings, need_artificial_trap == 0))
{
- QUIT; /* Let user quit and leave process running */
- ch_handled = 0;
- if (ch == *pa)
- {
- pa++;
- if (*pa == '\0')
- break;
- ch_handled = 1;
+ case 0: /* breakpoint case */
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
+ /* user output from the target can be discarded here. (?) */
+ gr_expect_prompt ();
+ break;
- *swallowed_p++ = ch;
- }
- else
- pa = a;
+ case 1: /* bus error */
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_BUS;
+ /* user output from the target can be discarded here. (?) */
+ gr_expect_prompt ();
+ break;
- if (ch == *pb || *pb == '?')
+ case 2: /* normal case */
+ case 3:
+ if (need_artificial_trap != 0)
{
- pb++;
- if (*pb == '\0')
- break;
-
- if (!ch_handled)
- *swallowed_p++ = ch;
- ch_handled = 1;
+ /* stepping */
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
+ need_artificial_trap--;
+ break;
}
else
- pb = b;
-
- if (!ch_handled)
{
- char *p;
-
- /* Print out any characters which have been swallowed. */
- for (p = swallowed; p < swallowed_p; ++p)
- putc (*p, stdout);
- swallowed_p = swallowed;
-
- if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
- {
- putc (ch, stdout);
- swallowed_cr = 10;
- }
- swallowed_cr++;
-
+ /* exit case */
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
+ break;
}
- ch = readchar ();
- }
-
- return(*pa == '\0');
-}
-
-/* Wait until the remote machine stops, then return,
- storing status in STATUS just as `wait' would. */
-
-int
-bug_wait (status)
- WAITTYPE *status;
-{
- int old_timeout = timeout;
- int old_immediate_quit = immediate_quit;
-
- WSETEXIT ((*status), 0);
-
- if (need_artificial_trap != 0)
- {
- WSETSTOP ((*status), SIGTRAP);
- need_artificial_trap--;
- /* user output from the target can be discarded here. (?) */
- expect_prompt();
- return 0;
+ case -1: /* trouble */
+ default:
+ fprintf_filtered (gdb_stderr,
+ "Trouble reading target during wait\n");
+ break;
}
- /* read off leftovers from resume */
- expect("Effective address: ");
- (void) get_hex_word();
- expect ("\r\n");
-
- timeout = -1; /* Don't time out -- user program is running. */
- immediate_quit = 1; /* Helps ability to QUIT */
-
- if (double_scan("At Breakpoint", "8???-Bug>"))
- {
- /* breakpoint case */
- WSETSTOP ((*status), SIGTRAP);
- expect_prompt ();
- }
- else /* exit case */
- WSETEXIT ((*status), 0);
-
-
- timeout = old_timeout;
+ sr_set_timeout (old_timeout);
immediate_quit = old_immediate_quit;
- return 0;
+ return inferior_ptid;
}
/* Return the name of register number REGNO
Returns a pointer to a static buffer containing the answer. */
static char *
-get_reg_name (regno)
- int regno;
+get_reg_name (int regno)
{
- static char *rn[] = {
+ static char *rn[] =
+ {
"r00", "r01", "r02", "r03", "r04", "r05", "r06", "r07",
"r08", "r09", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
- /* these get confusing because we omit a few and switch some ordering around. */
+ /* these get confusing because we omit a few and switch some ordering around. */
- "cr01", /* 32 = psr */
- "fcr62", /* 33 = fpsr*/
- "fcr63", /* 34 = fpcr */
+ "cr01", /* 32 = psr */
+ "fcr62", /* 33 = fpsr */
+ "fcr63", /* 34 = fpcr */
"ip", /* this is something of a cheat. */
/* 35 = sxip */
- "cr05", /* 36 = snip */
- "cr06", /* 37 = sfip */
+ "cr05", /* 36 = snip */
+ "cr06", /* 37 = sfip */
+
+ "x00", "x01", "x02", "x03", "x04", "x05", "x06", "x07",
+ "x08", "x09", "x10", "x11", "x12", "x13", "x14", "x15",
+ "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
+ "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31",
};
return rn[regno];
}
-static int
-bug_write (a, l)
- char *a;
- int l;
-{
- int i;
-
- SERIAL_WRITE (desc, a, l);
-
- if (!quiet)
- for (i = 0; i < l; i++)
- {
- printf ("%c", a[i]);
- }
-
- return(0);
-}
-
-static void
-bug_write_cr (s)
- char *s;
-{
- bug_write (s, strlen (s));
- bug_write ("\r", 1);
- return;
-}
-
+#if 0 /* not currently used */
/* Read from remote while the input matches STRING. Return zero on
success, -1 on failure. */
static int
-bug_scan (s)
- char *s;
+bug_scan (char *s)
{
int c;
while (*s)
{
- c = readchar();
+ c = sr_readchar ();
if (c != *s++)
{
- fflush(stdout);
- printf("\nNext character is '%c' - %d and s is \"%s\".\n", c, c, --s);
- return(-1);
+ fflush (stdout);
+ printf ("\nNext character is '%c' - %d and s is \"%s\".\n", c, c, --s);
+ return (-1);
}
}
- return(0);
+ return (0);
}
+#endif /* never */
static int
-bug_srec_write_cr (s)
- char *s;
+bug_srec_write_cr (char *s)
{
char *p = s;
if (srec_echo_pace)
for (p = s; *p; ++p)
{
- if (!quiet)
+ if (sr_get_debug () > 0)
printf ("%c", *p);
do
- SERIAL_WRITE(desc, p, 1);
- while (readchar_nofail() != *p);
+ SERIAL_WRITE (sr_get_desc (), p, 1);
+ while (sr_pollchar () != *p);
}
else
- {
- bug_write_cr (s);
+ {
+ sr_write_cr (s);
/* return(bug_scan (s) || bug_scan ("\n")); */
}
- return(0);
+ return (0);
}
/* Store register REGNO, or all if REGNO == -1. */
static void
-bug_fetch_register(regno)
- int regno;
+bug_fetch_register (int regno)
{
- REGISTER_TYPE regval;
- check_open();
+ sr_check_open ();
if (regno == -1)
{
int i;
for (i = 0; i < NUM_REGS; ++i)
- bug_fetch_register(i);
+ bug_fetch_register (i);
+ }
+ else if (target_is_m88110 && regno == SFIP_REGNUM)
+ {
+ /* m88110 has no sfip. */
+ long l = 0;
+ supply_register (regno, (char *) &l);
+ }
+ else if (regno < XFP_REGNUM)
+ {
+ char buffer[MAX_REGISTER_RAW_SIZE];
+
+ sr_write ("rs ", 3);
+ sr_write_cr (get_reg_name (regno));
+ sr_expect ("=");
+ store_unsigned_integer (buffer, REGISTER_RAW_SIZE (regno),
+ sr_get_hex_word ());
+ gr_expect_prompt ();
+ supply_register (regno, buffer);
}
else
{
- bug_write("rs ", 3);
- bug_write_cr(get_reg_name(regno));
- expect("=");
- regval = get_hex_word();
- expect_prompt();
-
- /* the following registers contain flag bits in the lower to bit slots.
- Mask them off */
- if (regno == PC_REGNUM /* aka sxip */
- || regno == NPC_REGNUM /* aka snip */
- || regno == SFIP_REGNUM) /* aka sfip */
- regval &= ~0x3;
-
- supply_register(regno, (char *) ®val);
+ /* Float register so we need to parse a strange data format. */
+ long p;
+ unsigned char fpreg_buf[10];
+
+ sr_write ("rs ", 3);
+ sr_write (get_reg_name (regno), strlen (get_reg_name (regno)));
+ sr_write_cr (";d");
+ sr_expect ("rs");
+ sr_expect (get_reg_name (regno));
+ sr_expect (";d");
+ sr_expect ("=");
+
+ /* sign */
+ p = sr_get_hex_digit (1);
+ fpreg_buf[0] = p << 7;
+
+ /* exponent */
+ sr_expect ("_");
+ p = sr_get_hex_digit (1);
+ fpreg_buf[0] += (p << 4);
+ fpreg_buf[0] += sr_get_hex_digit (1);
+
+ fpreg_buf[1] = sr_get_hex_digit (1) << 4;
+
+ /* fraction */
+ sr_expect ("_");
+ fpreg_buf[1] += sr_get_hex_digit (1);
+
+ fpreg_buf[2] = (sr_get_hex_digit (1) << 4) + sr_get_hex_digit (1);
+ fpreg_buf[3] = (sr_get_hex_digit (1) << 4) + sr_get_hex_digit (1);
+ fpreg_buf[4] = (sr_get_hex_digit (1) << 4) + sr_get_hex_digit (1);
+ fpreg_buf[5] = (sr_get_hex_digit (1) << 4) + sr_get_hex_digit (1);
+ fpreg_buf[6] = (sr_get_hex_digit (1) << 4) + sr_get_hex_digit (1);
+ fpreg_buf[7] = (sr_get_hex_digit (1) << 4) + sr_get_hex_digit (1);
+ fpreg_buf[8] = 0;
+ fpreg_buf[9] = 0;
+
+ gr_expect_prompt ();
+ supply_register (regno, fpreg_buf);
}
return;
/* Store register REGNO, or all if REGNO == -1. */
static void
-bug_store_register (regno)
- int regno;
+bug_store_register (int regno)
{
char buffer[1024];
- check_open();
+ sr_check_open ();
if (regno == -1)
{
int i;
for (i = 0; i < NUM_REGS; ++i)
- bug_store_register(i);
+ bug_store_register (i);
}
else
{
char *regname;
- regname = (get_reg_name(regno));
+ regname = get_reg_name (regno);
- sprintf(buffer, "rs %s %08x",
- regname,
- read_register(regno));
+ if (target_is_m88110 && regno == SFIP_REGNUM)
+ return;
+ else if (regno < XFP_REGNUM)
+ sprintf (buffer, "rs %s %08lx",
+ regname,
+ (long) read_register (regno));
+ else
+ {
+ unsigned char *fpreg_buf =
+ (unsigned char *) ®isters[REGISTER_BYTE (regno)];
+
+ sprintf (buffer, "rs %s %1x_%02x%1x_%1x%02x%02x%02x%02x%02x%02x;d",
+ regname,
+ /* sign */
+ (fpreg_buf[0] >> 7) & 0xf,
+ /* exponent */
+ fpreg_buf[0] & 0x7f,
+ (fpreg_buf[1] >> 8) & 0xf,
+ /* fraction */
+ fpreg_buf[1] & 0xf,
+ fpreg_buf[2],
+ fpreg_buf[3],
+ fpreg_buf[4],
+ fpreg_buf[5],
+ fpreg_buf[6],
+ fpreg_buf[7]);
+ }
- bug_write_cr(buffer);
- expect_prompt();
+ sr_write_cr (buffer);
+ gr_expect_prompt ();
}
return;
}
-/* 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. */
+/* 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.
-void
-bug_prepare_to_store ()
-{
- /* Do nothing, since we can store individual regs */
-}
+ Returns the number of bytes transferred. */
-/* Read a word from remote address ADDR and return it.
- * This goes through the data cache.
- */
int
-bug_fetch_word (addr)
- CORE_ADDR addr;
+bug_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib ATTRIBUTE_UNUSED,
+ struct target_ops *target ATTRIBUTE_UNUSED)
{
- return dcache_fetch (addr);
-}
-
-/* Write a word WORD into remote address ADDR.
- This goes through the data cache. */
+ int res;
-void
-bug_store_word (addr, word)
- CORE_ADDR addr;
- int word;
-{
- dcache_poke (addr, word);
-}
-
-int
-bug_xfer_inferior_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
-{
- register int i;
-
- /* Round starting address down to longword boundary. */
- register CORE_ADDR addr;
-
- /* Round ending address up; get number of longwords that makes. */
- register int count;
-
- /* Allocate buffer of that many longwords. */
- register int *buffer;
-
- addr = memaddr & -sizeof (int);
- count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
-
- buffer = (int *) alloca (count * sizeof (int));
+ if (len <= 0)
+ return 0;
if (write)
- {
- /* Fill start and end extra bytes of buffer with existing memory data. */
-
- if (addr != memaddr || len < (int) sizeof (int))
- {
- /* Need part of initial word -- fetch it. */
- buffer[0] = bug_fetch_word (addr);
- }
-
- if (count > 1) /* FIXME, avoid if even boundary */
- {
- buffer[count - 1]
- = bug_fetch_word (addr + (count - 1) * sizeof (int));
- }
-
- /* Copy data to be written over corresponding part of buffer */
-
- bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
-
- /* Write the entire buffer. */
-
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- bug_store_word (addr, buffer[i]);
- if (errno)
- {
-
- return 0;
- }
-
- }
- }
+ res = bug_write_memory (memaddr, myaddr, len);
else
- {
- /* Read all the longwords */
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- buffer[i] = bug_fetch_word (addr);
- if (errno)
- {
- return 0;
- }
- QUIT;
- }
+ res = bug_read_memory (memaddr, myaddr, len);
- /* Copy appropriate bytes out of the buffer. */
- bcopy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
- }
-
- return len;
+ return res;
}
static void
-start_load()
+start_load (void)
{
char *command;
command = (srec_echo_pace ? "lo 0 ;x" : "lo 0");
- bug_write_cr (command);
- expect (command);
- expect ("\r\n");
+ sr_write_cr (command);
+ sr_expect (command);
+ sr_expect ("\r\n");
bug_srec_write_cr ("S0030000FC");
return;
}
data records each containing srec_bytes, and an S7 termination
record. */
+static char *srecord_strings[] =
+{
+ "S-RECORD",
+ "-Bug>",
+ NULL,
+};
+
static int
-bug_write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- unsigned char *myaddr;
- int len;
+bug_write_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
{
int done;
int checksum;
int x;
int retries;
- char buffer[(srec_bytes + 8) << 1];
+ char *buffer = alloca ((srec_bytes + 8) << 1);
retries = 0;
done = 0;
if (retries > srec_max_retries)
- return(-1);
+ return (-1);
if (retries > 0)
{
- if (!quiet)
- printf("\n<retrying...>\n");
+ if (sr_get_debug () > 0)
+ printf ("\n<retrying...>\n");
- /* This expect_prompt call is extremely important. Without
+ /* This gr_expect_prompt call is extremely important. Without
it, we will tend to resend our packet so fast that it
will arrive before the bug monitor is ready to receive
it. This would lead to a very ugly resend loop. */
- expect_prompt();
+ gr_expect_prompt ();
}
- start_load();
+ start_load ();
while (done < len)
{
thisgo = srec_bytes;
address = memaddr + done;
- sprintf (buf, "S3%02X%08X", thisgo + 4 + 1, address);
+ sprintf (buf, "S3%02X%08lX", thisgo + 4 + 1, (long) address);
buf += 12;
checksum += (thisgo + 4 + 1
+ (address & 0xff)
- + ((address >> 8) & 0xff)
+ + ((address >> 8) & 0xff)
+ ((address >> 16) & 0xff)
+ ((address >> 24) & 0xff));
if (srec_noise > 0)
{
/* FIXME-NOW: insert a deliberate error every now and then.
- This is intended for testing/debugging the error handling
- stuff. */
+ This is intended for testing/debugging the error handling
+ stuff. */
static int counter = 0;
if (++counter > srec_noise)
{
}
}
- sprintf(buf, "%02X", ~checksum & 0xff);
+ sprintf (buf, "%02X", ~checksum & 0xff);
bug_srec_write_cr (buffer);
if (srec_sleep != 0)
- sleep(srec_sleep);
+ sleep (srec_sleep);
- /* This pollchar is probably redundant to the double_scan
+ /* This pollchar is probably redundant to the gr_multi_scan
below. Trouble is, we can't be sure when or where an
error message will appear. Apparently, when running at
full speed from a typical sun4, error messages tend to
appear to arrive only *after* the s7 record. */
- if ((x = pollchar()) != 0)
+ if ((x = sr_pollchar ()) != 0)
{
- if (!quiet)
- printf("\n<retrying...>\n");
+ if (sr_get_debug () > 0)
+ printf ("\n<retrying...>\n");
++retries;
/* flush any remaining input and verify that we are back
- at the prompt level. */
- expect_prompt();
+ at the prompt level. */
+ gr_expect_prompt ();
/* start all over again. */
- start_load();
+ start_load ();
done = 0;
continue;
}
done += thisgo;
}
- bug_srec_write_cr("S7060000000000F9");
+ bug_srec_write_cr ("S7060000000000F9");
++retries;
/* Having finished the load, we need to figure out whether we
- had any errors. */
- } while (double_scan("S-RECORD", "8???-Bug>"));;
-
- return(0);
-}
-
-void
-bug_files_info ()
-{
- char *file = "nothing";
-
- if (exec_bfd)
- file = bfd_get_filename (exec_bfd);
+ had any errors. */
+ }
+ while (gr_multi_scan (srecord_strings, 0) == 0);;
- 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 m88k processor.\n");
+ return (0);
}
/* 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.
+ * 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. */
static int
-bug_read_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+bug_read_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
{
char request[100];
char *buffer;
unsigned int inaddr;
unsigned int checksum;
- sprintf(request, "du 0 %x:&%d", memaddr, len);
- bug_write_cr(request);
+ sprintf (request, "du 0 %lx:&%d", (long) memaddr, len);
+ sr_write_cr (request);
- p = buffer = alloca(len);
+ p = buffer = alloca (len);
/* scan up through the header */
- expect("S0030000FC");
+ sr_expect ("S0030000FC");
while (p < buffer + len)
{
/* scan off any white space. */
- while (readchar() != 'S') ;;
+ while (sr_readchar () != 'S');;
/* what kind of s-rec? */
- type = readchar();
+ type = sr_readchar ();
/* scan record size */
- get_hex_byte(&size);
+ sr_get_hex_byte (&size);
checksum = size;
--size;
inaddr = 0;
goto done;
case '3':
- get_hex_byte(&c);
+ sr_get_hex_byte (&c);
inaddr = (inaddr << 8) + c;
checksum += c;
--size;
/* intentional fall through */
case '2':
- get_hex_byte(&c);
+ sr_get_hex_byte (&c);
inaddr = (inaddr << 8) + c;
checksum += c;
--size;
/* intentional fall through */
case '1':
- get_hex_byte(&c);
+ sr_get_hex_byte (&c);
inaddr = (inaddr << 8) + c;
checksum += c;
--size;
- get_hex_byte(&c);
+ sr_get_hex_byte (&c);
inaddr = (inaddr << 8) + c;
checksum += c;
--size;
default:
/* bonk */
- error("reading s-records.");
+ error ("reading s-records.");
}
if (inaddr < memaddr
|| (memaddr + len) < (inaddr + size))
- error("srec out of memory range.");
+ error ("srec out of memory range.");
if (p != buffer + inaddr - memaddr)
- error("srec out of sequence.");
+ error ("srec out of sequence.");
for (; size; --size, ++p)
{
- get_hex_byte(p);
+ sr_get_hex_byte (p);
checksum += *p;
}
- get_hex_byte(&c);
+ sr_get_hex_byte (&c);
if (c != (~checksum & 0xff))
- error("bad s-rec checksum");
+ error ("bad s-rec checksum");
}
- done:
- expect_prompt();
+done:
+ gr_expect_prompt ();
if (p != buffer + len)
- return(1);
+ return (1);
- memcpy(myaddr, buffer, len);
- return(0);
+ memcpy (myaddr, buffer, len);
+ return (0);
}
#define MAX_BREAKS 16
static int num_brkpts = 0;
+
+/* Insert a breakpoint at ADDR. SAVE is normally the address of the
+ pattern buffer where the instruction that the breakpoint overwrites
+ is saved. It is unused here since the bug is responsible for
+ saving/restoring the original instruction. */
+
static int
-bug_insert_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save; /* Throw away, let bug save instructions */
+bug_insert_breakpoint (CORE_ADDR addr, char *save)
{
- check_open ();
+ sr_check_open ();
if (num_brkpts < MAX_BREAKS)
{
char buffer[100];
num_brkpts++;
- sprintf (buffer, "br %x", addr);
- bug_write_cr (buffer);
- expect_prompt ();
- return(0);
+ sprintf (buffer, "br %lx", (long) addr);
+ sr_write_cr (buffer);
+ gr_expect_prompt ();
+ return (0);
}
else
{
- fprintf_filtered (stderr,
+ fprintf_filtered (gdb_stderr,
"Too many break points, break point not installed\n");
- return(1);
+ return (1);
}
}
+
+/* Remove a breakpoint at ADDR. SAVE is normally the previously
+ saved pattern, but is unused here since the bug is responsible
+ for saving/restoring instructions. */
+
static int
-bug_remove_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save; /* Throw away, let bug save instructions */
+bug_remove_breakpoint (CORE_ADDR addr, char *save)
{
if (num_brkpts > 0)
{
char buffer[100];
num_brkpts--;
- sprintf (buffer, "nobr %x", addr);
- bug_write_cr (buffer);
- expect_prompt ();
+ sprintf (buffer, "nobr %lx", (long) addr);
+ sr_write_cr (buffer);
+ gr_expect_prompt ();
}
return (0);
/* Clear the bugs notion of what the break points are */
static int
-bug_clear_breakpoints ()
+bug_clear_breakpoints (void)
{
- if (is_open)
+ if (sr_is_open ())
{
- bug_write_cr ("nobr");
- expect("nobr");
- expect_prompt ();
+ sr_write_cr ("nobr");
+ sr_expect ("nobr");
+ gr_expect_prompt ();
}
num_brkpts = 0;
- return(0);
-}
-
-static void
-bug_mourn ()
-{
- bug_clear_breakpoints ();
- generic_mourn_inferior ();
-}
-
-/* Put a command string, in args, out to the bug. The bug is assumed to
- be in raw mode, all writing/reading done through desc.
- Ouput from the bug is placed on the users terminal until the
- prompt from the bug is seen.
- FIXME: Can't handle commands that take input. */
-
-void
-bug_com (args, fromtty)
- char *args;
- int fromtty;
-{
- check_open ();
-
- if (!args)
- return;
-
- /* Clear all input so only command relative output is displayed */
-
- bug_write_cr (args);
- bug_write ("\030", 1);
- expect_prompt ();
+ return (0);
}
-static void
-bug_quiet (args, fromtty)
- char *args;
- int fromtty;
-{
- quiet = !quiet;
- if (quiet)
- printf_filtered ("Snoop disabled\n");
- else
- printf_filtered ("Snoop enabled\n");
-
- return;
-}
+struct target_ops bug_ops;
static void
-bug_device (args, fromtty)
- char *args;
- int fromtty;
-{
- if (args)
- dev_name = get_word (&args);
-
- return;
-}
-
-#if 0
-static
-bug_speed (s)
- char *s;
+init_bug_ops (void)
{
- 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);
- bug_write_cr (buffer);
- }
-}
-#endif /* 0 */
-
-struct target_ops bug_ops =
-{
- "bug", "Remote BUG monitor",
- "Use the mvme187 board running the BUG monitor connected\n\
-by a serial line.",
-
- bug_open, bug_close,
- 0, bug_detach, bug_resume, bug_wait, /* attach */
- bug_fetch_register, bug_store_register,
- bug_prepare_to_store,
- bug_xfer_inferior_memory,
- bug_files_info,
- bug_insert_breakpoint, bug_remove_breakpoint, /* Breakpoints */
- 0, 0, 0, 0, 0, /* Terminal handling */
- bug_kill, /* FIXME, kill */
- bug_load,
- 0, /* lookup_symbol */
- bug_create_inferior, /* create_inferior */
- bug_mourn, /* mourn_inferior FIXME */
- 0, /* can_run */
- 0, /* notice_signals */
- process_stratum, 0, /* next */
- 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
- 0, 0, /* Section pointers */
- OPS_MAGIC, /* Always the last thing */
-};
+ bug_ops.to_shortname = "bug";
+ "Remote BUG monitor",
+ bug_ops.to_longname = "Use the mvme187 board running the BUG monitor connected by a serial line.";
+ bug_ops.to_doc = " ";
+ bug_ops.to_open = bug_open;
+ bug_ops.to_close = gr_close;
+ bug_ops.to_attach = 0;
+ bug_ops.to_post_attach = NULL;
+ bug_ops.to_require_attach = NULL;
+ bug_ops.to_detach = gr_detach;
+ bug_ops.to_require_detach = NULL;
+ bug_ops.to_resume = bug_resume;
+ bug_ops.to_wait = bug_wait;
+ bug_ops.to_post_wait = NULL;
+ bug_ops.to_fetch_registers = bug_fetch_register;
+ bug_ops.to_store_registers = bug_store_register;
+ bug_ops.to_prepare_to_store = gr_prepare_to_store;
+ bug_ops.to_xfer_memory = bug_xfer_memory;
+ bug_ops.to_files_info = gr_files_info;
+ bug_ops.to_insert_breakpoint = bug_insert_breakpoint;
+ bug_ops.to_remove_breakpoint = bug_remove_breakpoint;
+ bug_ops.to_terminal_init = 0;
+ bug_ops.to_terminal_inferior = 0;
+ bug_ops.to_terminal_ours_for_output = 0;
+ bug_ops.to_terminal_ours = 0;
+ bug_ops.to_terminal_info = 0;
+ bug_ops.to_kill = gr_kill;
+ bug_ops.to_load = bug_load;
+ bug_ops.to_lookup_symbol = 0;
+ bug_ops.to_create_inferior = gr_create_inferior;
+ bug_ops.to_post_startup_inferior = NULL;
+ bug_ops.to_acknowledge_created_inferior = NULL;
+ bug_ops.to_clone_and_follow_inferior = NULL;
+ bug_ops.to_post_follow_inferior_by_clone = NULL;
+ bug_ops.to_insert_fork_catchpoint = NULL;
+ bug_ops.to_remove_fork_catchpoint = NULL;
+ bug_ops.to_insert_vfork_catchpoint = NULL;
+ bug_ops.to_remove_vfork_catchpoint = NULL;
+ bug_ops.to_has_forked = NULL;
+ bug_ops.to_has_vforked = NULL;
+ bug_ops.to_can_follow_vfork_prior_to_exec = NULL;
+ bug_ops.to_post_follow_vfork = NULL;
+ bug_ops.to_insert_exec_catchpoint = NULL;
+ bug_ops.to_remove_exec_catchpoint = NULL;
+ bug_ops.to_has_execd = NULL;
+ bug_ops.to_reported_exec_events_per_exec_call = NULL;
+ bug_ops.to_has_exited = NULL;
+ bug_ops.to_mourn_inferior = gr_mourn;
+ bug_ops.to_can_run = 0;
+ bug_ops.to_notice_signals = 0;
+ bug_ops.to_thread_alive = 0;
+ bug_ops.to_stop = 0;
+ bug_ops.to_pid_to_exec_file = NULL;
+ bug_ops.to_stratum = process_stratum;
+ bug_ops.DONT_USE = 0;
+ bug_ops.to_has_all_memory = 1;
+ bug_ops.to_has_memory = 1;
+ bug_ops.to_has_stack = 1;
+ bug_ops.to_has_registers = 0;
+ bug_ops.to_has_execution = 0;
+ bug_ops.to_sections = 0;
+ bug_ops.to_sections_end = 0;
+ bug_ops.to_magic = OPS_MAGIC; /* Always the last thing */
+} /* init_bug_ops */
void
-_initialize_remote_bug ()
+_initialize_remote_bug (void)
{
+ init_bug_ops ();
add_target (&bug_ops);
- add_com ("bug <command>", class_obscure, bug_com,
- "Send a command to the BUG monitor.");
- add_com ("snoop", class_obscure, bug_quiet,
- "Show what commands are going to the monitor");
-
- add_com ("device", class_obscure, bug_device,
- "Set the terminal line for BUG communications");
-
-#if 0
- add_com ("speed", class_obscure, bug_speed,
- "Set the terminal line speed for BUG communications");
-#endif /* 0 */
-
add_show_from_set
(add_set_cmd ("srec-bytes", class_support, var_uinteger,
(char *) &srec_bytes,
&setlist),
&showlist);
+#if 0
+ /* This needs to set SREC_SIZE, not srec_frame which gets changed at the
+ end of a download. But do we need the option at all? */
add_show_from_set
(add_set_cmd ("srec-frame", class_support, var_uinteger,
(char *) &srec_frame,
This affects the communication protocol with the remote target.",
&setlist),
&showlist);
+#endif /* 0 */
add_show_from_set
(add_set_cmd ("srec-noise", class_support, var_zinteger,
"\
Set echo-verification.\n\
When on, use verification by echo when downloading S-records. This is\n\
-much slower, but generally more reliable.",
+much slower, but generally more reliable.",
&setlist),
&showlist);
-
- dev_name = NULL;
}