/* Remote debugging interface for MIPS remote debugging protocol.
- Copyright 1993, 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
+
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002 Free Software Foundation, Inc.
+
Contributed by Cygnus Support. Written by Ian Lance Taylor
#include "target.h"
#include "remote-utils.h"
#include "gdb_string.h"
+#include "gdb_stat.h"
#include "regcache.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
#include <ctype.h>
-
-/* Microsoft C's stat.h doesn't define all the POSIX file modes. */
-#ifndef S_IROTH
-#define S_IROTH S_IREAD
-#endif
-
\f
/* Breakpoint types. Values 0, 1, and 2 must agree with the watch
static void mips_detach (char *args, int from_tty);
-static void mips_resume (int pid, int step, enum target_signal siggnal);
+static void mips_resume (ptid_t ptid, int step,
+ enum target_signal siggnal);
-static int mips_wait (int pid, struct target_waitstatus *status);
+static ptid_t mips_wait (ptid_t ptid,
+ struct target_waitstatus *status);
static int mips_map_regno (int regno);
static int mips_need_reply = 0;
/* Handle used to access serial I/O stream. */
-static serial_t mips_desc;
+static struct serial *mips_desc;
/* UDP handle used to download files to target. */
-static serial_t udp_desc;
+static struct serial *udp_desc;
static int udp_in_use;
/* TFTP filename used to download files to DDB board, in the form
close_ports (void)
{
mips_is_open = 0;
- SERIAL_CLOSE (mips_desc);
+ serial_close (mips_desc);
if (udp_in_use)
{
- SERIAL_CLOSE (udp_desc);
+ serial_close (udp_desc);
udp_in_use = 0;
}
tftp_in_use = 0;
printf_unfiltered ("Ending remote MIPS debugging.\n");
target_mourn_inferior ();
- return_to_top_level (RETURN_ERROR);
+ throw_exception (RETURN_ERROR);
}
/* putc_readable - print a character, displaying non-printable chars in
{
int c;
-/* Must use SERIAL_READCHAR here cuz mips_readchar would get confused if we
- were waiting for the mips_monitor_prompt... */
+ /* Must use serial_readchar() here cuz mips_readchar would get
+ confused if we were waiting for the mips_monitor_prompt... */
- c = SERIAL_READCHAR (mips_desc, timeout);
+ c = serial_readchar (mips_desc, timeout);
if (c == SERIAL_TIMEOUT)
{
immediate_quit++;
while (n > 0)
{
- c = SERIAL_READCHAR (mips_desc, remote_timeout);
+ c = serial_readchar (mips_desc, remote_timeout);
if (c == SERIAL_TIMEOUT)
{
}
/* Read a character from the remote, aborting on error. Returns
- SERIAL_TIMEOUT on timeout (since that's what SERIAL_READCHAR
- returns). FIXME: If we see the string mips_monitor_prompt from
- the board, then we are debugging on the main console port, and we
- have somehow dropped out of remote debugging mode. In this case,
- we automatically go back in to remote debugging mode. This is a
- hack, put in because I can't find any way for a program running on
- the remote board to terminate without also ending remote debugging
+ SERIAL_TIMEOUT on timeout (since that's what serial_readchar()
+ returns). FIXME: If we see the string mips_monitor_prompt from the
+ board, then we are debugging on the main console port, and we have
+ somehow dropped out of remote debugging mode. In this case, we
+ automatically go back in to remote debugging mode. This is a hack,
+ put in because I can't find any way for a program running on the
+ remote board to terminate without also ending remote debugging
mode. I assume users won't have any trouble with this; for one
thing, the IDT documentation generally assumes that the remote
debugging port is not the console port. This is, however, very
if (state == mips_monitor_prompt_len)
timeout = 1;
- ch = SERIAL_READCHAR (mips_desc, timeout);
+ ch = serial_readchar (mips_desc, timeout);
if (ch == SERIAL_TIMEOUT && timeout == -1) /* Watchdog went off */
{
fprintf_unfiltered (gdb_stdlog, "Writing \"%s\"\n", packet + 1);
}
- if (SERIAL_WRITE (mips_desc, packet,
+ if (serial_write (mips_desc, packet,
HDR_LENGTH + len + TRLR_LENGTH) != 0)
mips_error ("write to target failed: %s", safe_strerror (errno));
ack + 1);
}
- if (SERIAL_WRITE (mips_desc, ack, HDR_LENGTH + TRLR_LENGTH) != 0)
+ if (serial_write (mips_desc, ack, HDR_LENGTH + TRLR_LENGTH) != 0)
{
if (throw_error)
mips_error ("write to target failed: %s", safe_strerror (errno));
ack + 1);
}
- if (SERIAL_WRITE (mips_desc, ack, HDR_LENGTH + TRLR_LENGTH) != 0)
+ if (serial_write (mips_desc, ack, HDR_LENGTH + TRLR_LENGTH) != 0)
{
if (throw_error)
mips_error ("write to target failed: %s", safe_strerror (errno));
}
static void
-mips_initialize_cleanups (PTR arg)
+mips_initialize_cleanups (void *arg)
{
mips_initializing = 0;
}
static void
-mips_exit_cleanups (PTR arg)
+mips_exit_cleanups (void *arg)
{
mips_exiting = 0;
}
static void
mips_send_command (const char *cmd, int prompt)
{
- SERIAL_WRITE (mips_desc, cmd, strlen (cmd));
+ serial_write (mips_desc, cmd, strlen (cmd));
mips_expect (cmd);
mips_expect ("\n");
if (prompt)
mips_send_command ("db tty0\r", 0);
sleep (1);
- SERIAL_WRITE (mips_desc, "\r", sizeof "\r" - 1);
+ serial_write (mips_desc, "\r", sizeof "\r" - 1);
/* We don't need to absorb any spurious characters here, since the
mips_receive_header will eat up a reasonable number of characters
switch (j)
{
case 0: /* First, try sending a CR */
- SERIAL_FLUSH_INPUT (mips_desc);
- SERIAL_WRITE (mips_desc, "\r", 1);
+ serial_flush_input (mips_desc);
+ serial_write (mips_desc, "\r", 1);
break;
case 1: /* First, try sending a break */
- SERIAL_SEND_BREAK (mips_desc);
+ serial_send_break (mips_desc);
break;
case 2: /* Then, try a ^C */
- SERIAL_WRITE (mips_desc, "\003", 1);
+ serial_write (mips_desc, "\003", 1);
break;
case 3: /* Then, try escaping from download */
{
packets. In-case we were downloading a large packet
we flush the output buffer before inserting a
termination sequence. */
- SERIAL_FLUSH_OUTPUT (mips_desc);
+ serial_flush_output (mips_desc);
sprintf (tbuff, "\r/E/E\r");
- SERIAL_WRITE (mips_desc, tbuff, 6);
+ serial_write (mips_desc, tbuff, 6);
}
else
{
for (i = 1; i <= 33; i++)
{
- SERIAL_WRITE (mips_desc, srec, 8);
+ serial_write (mips_desc, srec, 8);
- if (SERIAL_READCHAR (mips_desc, 0) >= 0)
+ if (serial_readchar (mips_desc, 0) >= 0)
break; /* Break immediatly if we get something from
the board. */
}
the request itself succeeds or fails. */
mips_request ('r', 0, 0, &err, mips_receive_wait, NULL);
- set_current_frame (create_new_frame (read_fp (), read_pc ()));
- select_frame (get_current_frame (), 0);
+ /* FIXME: cagney/2002-11-29: Force the update of selected frame.
+ This shouldn't be necessary, only many many places still refer to
+ selected_frame directly (instead of using get_selected_frame(). */
+ get_selected_frame (); /* Hack!!! */
}
/* Open a connection to the remote board. */
unpush_target (current_ops);
/* Open and initialize the serial port. */
- mips_desc = SERIAL_OPEN (serial_port_name);
- if (mips_desc == (serial_t) NULL)
+ mips_desc = serial_open (serial_port_name);
+ if (mips_desc == NULL)
perror_with_name (serial_port_name);
if (baud_rate != -1)
{
- if (SERIAL_SETBAUDRATE (mips_desc, baud_rate))
+ if (serial_setbaudrate (mips_desc, baud_rate))
{
- SERIAL_CLOSE (mips_desc);
+ serial_close (mips_desc);
perror_with_name (serial_port_name);
}
}
- SERIAL_RAW (mips_desc);
+ serial_raw (mips_desc);
/* Open and initialize the optional download port. If it is in the form
hostname#portnumber, it's a UDP socket. If it is in the form
{
if (strchr (remote_name, '#'))
{
- udp_desc = SERIAL_OPEN (remote_name);
+ udp_desc = serial_open (remote_name);
if (!udp_desc)
perror_with_name ("Unable to open UDP port");
udp_in_use = 1;
if (ptype)
mips_set_processor_type_command (xstrdup (ptype), 0);
-/* This is really the job of start_remote however, that makes an assumption
- that the target is about to print out a status message of some sort. That
- doesn't happen here (in fact, it may not be possible to get the monitor to
- send the appropriate packet). */
+ /* This is really the job of start_remote however, that makes an
+ assumption that the target is about to print out a status message
+ of some sort. That doesn't happen here (in fact, it may not be
+ possible to get the monitor to send the appropriate packet). */
flush_cached_frames ();
registers_changed ();
stop_pc = read_pc ();
- set_current_frame (create_new_frame (read_fp (), stop_pc));
- select_frame (get_current_frame (), 0);
- print_stack_frame (selected_frame, -1, 1);
+ print_stack_frame (get_selected_frame (), -1, 1);
xfree (serial_port_name);
}
where PMON does return a reply. */
static void
-mips_resume (int pid, int step, enum target_signal siggnal)
+mips_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
int err;
/* Wait until the remote stops, and return a wait status. */
-static int
-mips_wait (int pid, struct target_waitstatus *status)
+static ptid_t
+mips_wait (ptid_t ptid, struct target_waitstatus *status)
{
int rstatus;
int err;
{
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
- return 0;
+ return inferior_ptid;
}
/* No timeout; we sit here as long as the program continues to execute. */
&rpc, &rfp, &rsp, flags);
if (nfields >= 3)
{
- char buf[MAX_REGISTER_RAW_SIZE];
+ char *buf = alloca (max_register_size (current_gdbarch));
store_unsigned_integer (buf, REGISTER_RAW_SIZE (PC_REGNUM), rpc);
supply_register (PC_REGNUM, buf);
status->value.sig = mips_signal_from_protocol (rstatus & 0x7f);
}
- return 0;
+ return inferior_ptid;
}
/* We have to map between the register numbers used by gdb and the
}
{
- char buf[MAX_REGISTER_RAW_SIZE];
+ char *buf = alloca (max_register_size (current_gdbarch));
/* We got the number the register holds, but gdb expects to see a
value in the target byte ordering. */
static int
mips_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
- struct mem_attrib *attrib ATTRIBUTE_UNUSED,
- struct target_ops *target ATTRIBUTE_UNUSED)
+ struct mem_attrib *attrib, struct target_ops *target)
{
int i;
CORE_ADDR addr;
printf_unfiltered ("Ending remote MIPS debugging.\n");
target_mourn_inferior ();
- return_to_top_level (RETURN_QUIT);
+ throw_exception (RETURN_QUIT);
}
target_terminal_inferior ();
if (remote_debug > 0)
printf_unfiltered ("Sending break\n");
- SERIAL_SEND_BREAK (mips_desc);
+ serial_send_break (mips_desc);
#if 0
if (mips_is_open)
/* Send a ^C. */
cc = '\003';
- SERIAL_WRITE (mips_desc, &cc, 1);
+ serial_write (mips_desc, &cc, 1);
sleep (1);
target_mourn_inferior ();
}
init_wait_for_inferior ();
- /* FIXME: Should we set inferior_pid here? */
+ /* FIXME: Should we set inferior_ptid here? */
proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0);
}
{
int ch;
- SERIAL_WRITE (mips_desc, srec, len);
+ serial_write (mips_desc, srec, len);
ch = mips_readchar (remote_timeout);
reclen = mips_make_srec (srec, '3', s->vma + i, buffer, numbytes);
send_srec (srec, reclen, s->vma + i);
+ if (ui_load_progress_hook)
+ ui_load_progress_hook (s->name, i);
+
if (hashmark)
{
putchar_unfiltered ('#');
send_srec (srec, reclen, abfd->start_address);
- SERIAL_FLUSH_INPUT (mips_desc);
+ serial_flush_input (mips_desc);
}
/*
if (!tftp_in_use)
{
- c = SERIAL_READCHAR (udp_in_use ? udp_desc : mips_desc,
+ c = serial_readchar (udp_in_use ? udp_desc : mips_desc,
remote_timeout);
if ((c == SERIAL_TIMEOUT) || (c != 0x06))
{
if (tftp_in_use)
fwrite (buffer, 1, length, tftp_file);
else
- SERIAL_WRITE (udp_in_use ? udp_desc : mips_desc, buffer, length);
+ serial_write (udp_in_use ? udp_desc : mips_desc, buffer, length);
}
static void
break;
}
+ if (ui_load_progress_hook)
+ ui_load_progress_hook (s->name, i);
+
if (hashmark)
{
putchar_unfiltered ('#');
if (finished)
{ /* Ignore the termination message: */
- SERIAL_FLUSH_INPUT (udp_in_use ? udp_desc : mips_desc);
+ serial_flush_input (udp_in_use ? udp_desc : mips_desc);
}
else
{ /* Deal with termination message: */
/* Work around problem where PMON monitor updates the PC after a load
to a different value than GDB thinks it has. The following ensures
that the write_pc() WILL update the PC value: */
- register_valid[PC_REGNUM] = 0;
+ deprecated_register_valid[PC_REGNUM] = 0;
}
if (exec_bfd)
write_pc (bfd_get_start_address (exec_bfd));
- inferior_pid = 0; /* No process now */
+ inferior_ptid = null_ptid; /* No process now */
/* This is necessary because many things were based on the PC at the time that
we attached to the monitor, which is no longer valid now that we have loaded
projects / binutils.git / blobdiff