/* Target dependent code for the Fujitsu SPARClite for GDB, the GNU debugger.
- Copyright 1994, 1995 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "gdbcore.h"
#include "serial.h"
#include <sys/types.h>
#include <sys/time.h>
+
+#if defined(__GO32__) || defined(WIN32)
+#undef HAVE_SOCKETS
+#else
+#define HAVE_SOCKETS
+#endif
+
+
+#ifdef HAVE_SOCKETS
+#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
-#include <unistd.h>
+#endif
extern struct target_ops sparclite_ops; /* Forward decl */
extern struct target_ops remote_ops;
static char *remote_target_name = NULL;
static serial_t remote_desc = NULL;
-static int udp_fd = -1;
static int serial_flag;
+#ifdef HAVE_SOCKETS
+static int udp_fd = -1;
+#endif
static serial_t open_tty PARAMS ((char *name));
static int send_resp PARAMS ((serial_t desc, char c));
static void close_tty PARAMS ((int ignore));
+#ifdef HAVE_SOCKETS
static int recv_udp_buf PARAMS ((int fd, unsigned char *buf, int len, int timeout));
static int send_udp_buf PARAMS ((int fd, unsigned char *buf, int len));
+#endif
static void sparclite_open PARAMS ((char *name, int from_tty));
static void sparclite_close PARAMS ((int quitting));
static void download PARAMS ((char *target_name, char *args, int from_tty,
static void sparclite_serial_write PARAMS ((bfd *from_bfd, asection *from_sec,
file_ptr from_addr,
bfd_vma to_addr, int len));
+#ifdef HAVE_SOCKETS
static unsigned short calc_checksum PARAMS ((unsigned char *buffer,
int count));
static void sparclite_udp_start PARAMS ((bfd_vma entry));
static void sparclite_udp_write PARAMS ((bfd *from_bfd, asection *from_sec,
file_ptr from_addr, bfd_vma to_addr,
int len));
+#endif
static void sparclite_download PARAMS ((char *filename, int from_tty));
#define DDA2_SUP_ASI 0xb000000
int ot;
{
if (type == bp_hardware_breakpoint)
- if (TARGET_HW_BREAK_LIMIT == 0)
- return 0;
- else if (cnt <= TARGET_HW_BREAK_LIMIT)
- return 1;
+ {
+ if (TARGET_HW_BREAK_LIMIT == 0)
+ return 0;
+ else if (cnt <= TARGET_HW_BREAK_LIMIT)
+ return 1;
+ }
else
- if (TARGET_HW_WATCH_LIMIT == 0)
- return 0;
- else if (ot)
- return -1;
- else if (cnt <= TARGET_HW_WATCH_LIMIT)
- return 1;
+ {
+ if (TARGET_HW_WATCH_LIMIT == 0)
+ return 0;
+ else if (ot)
+ return -1;
+ else if (cnt <= TARGET_HW_WATCH_LIMIT)
+ return 1;
+ }
return -1;
}
return desc;
}
+/* Read a single character from the remote end, masking it down to 7 bits. */
+
static int
-send_resp (desc, c)
+readchar (desc, timeout)
serial_t desc;
- char c;
+ int timeout;
{
- int i;
-
- SERIAL_WRITE (desc, &c, 1);
- i = SERIAL_READCHAR (desc, 2);
+ int ch;
- if (i >= 0)
- return i;
+ ch = SERIAL_READCHAR (desc, timeout);
- switch (i)
+ switch (ch)
{
+ case SERIAL_EOF:
+ error ("SPARClite remote connection closed");
case SERIAL_ERROR:
- perror_with_name ("Remote communication error");
+ perror_with_name ("SPARClite communication error");
case SERIAL_TIMEOUT:
- error ("Remote timeout");
- case SERIAL_EOF:
- error ("Remote connection closed");
+ error ("SPARClite remote timeout");
+ default:
+ return ch;
}
}
+static int
+send_resp (desc, c)
+ serial_t desc;
+ char c;
+{
+ SERIAL_WRITE (desc, &c, 1);
+ return readchar (desc, 2);
+}
+
static void
close_tty (ignore)
int ignore;
remote_desc = NULL;
}
+#ifdef HAVE_SOCKETS
static int
recv_udp_buf (fd, buf, len, timeout)
int fd, len;
error ("Short count in send: tried %d, sent %d\n", len, cc);
}
+#endif /* __GO32__ */
static void
sparclite_open (name, from_tty)
}
else
{
+#ifdef HAVE_SOCKETS
struct hostent *he;
struct sockaddr_in sockaddr;
unsigned char buffer[100];
if (cc < 3)
error ("SPARClite appears to be ill.");
+#else
+ error ("UDP downloading is not supported for DOS hosts.");
+#endif /* __GO32__ */
}
printf_unfiltered ("[SPARClite appears to be alive]\n");
{
if (serial_flag)
close_tty (0);
+#ifdef HAVE_SOCKETS
else
if (udp_fd != -1)
close (udp_fd);
+#endif
}
#define LOAD_ADDRESS 0x40000000
store_unsigned_integer (buffer + 1, 4, entry);
SERIAL_WRITE (remote_desc, buffer, 1 + 4);
- i = SERIAL_READCHAR (remote_desc, 2);
+ i = readchar (remote_desc, 2);
if (i != 0x55)
error ("Can't start SparcLite. Error code %d\n", i);
}
error ("Bad response from load command (0x%x)", i);
SERIAL_WRITE (remote_desc, buffer, 4 + 4 + len);
- i = SERIAL_READCHAR (remote_desc, 2);
- if (i < 0)
- error ("I/O error in serial code. Return code %d\n", i);
+ i = readchar (remote_desc, 2);
if (i != checksum)
error ("Bad checksum from load command (0x%x)", i);
}
+#ifdef HAVE_SOCKETS
+
static unsigned short
calc_checksum (buffer, count)
unsigned char *buffer;
}
}
+#endif /* __GO32__ */
+
static void
sparclite_download (filename, from_tty)
char *filename;
int from_tty;
{
if (!serial_flag)
+#ifdef HAVE_SOCKETS
download (remote_target_name, filename, from_tty, sparclite_udp_write,
sparclite_udp_start);
+#else
+ abort (); /* sparclite_open should prevent this! */
+#endif
else
download (remote_target_name, filename, from_tty, sparclite_serial_write,
sparclite_serial_start);
0, /* to_mourn_inferior */
0, /* to_can_run */
0, /* to_notice_signals */
+ 0, /* to_thread_alive */
0, /* to_stop */
- process_stratum, /* to_stratum */
+ download_stratum, /* to_stratum */
0, /* to_next */
0, /* to_has_all_memory */
0, /* to_has_memory */
projects / deliverable / binutils-gdb.git / blobdiff