/* Remote target communications for serial-line targets using SDS' protocol.
- Copyright 1997 Free Software Foundation, Inc.
+
+ Copyright 1997, 1998, 1999, 2000, 2001, 2002 Free Software
+ Foundation, Inc.
This file is part of GDB.
#include "bfd.h"
#include "symfile.h"
#include "target.h"
-#include "gdb_wait.h"
#include "gdbcmd.h"
#include "objfiles.h"
#include "gdb-stabs.h"
#include "gdbthread.h"
#include "gdbcore.h"
-#include "dcache.h"
+#include "regcache.h"
#ifdef USG
#include <sys/types.h>
static void sds_files_info (struct target_ops *ignore);
-static int sds_xfer_memory (CORE_ADDR, char *, int, int, struct target_ops *);
+static int sds_xfer_memory (CORE_ADDR, char *, int, int,
+ struct mem_attrib *, struct target_ops *);
static void sds_prepare_to_store (void);
static void sds_fetch_registers (int);
-static void sds_resume (int, int, enum target_signal);
+static void sds_resume (ptid_t, int, enum target_signal);
-static int sds_start_remote (PTR);
+static int sds_start_remote (void *);
static void sds_open (char *, int);
static int readchar (int);
-static int sds_wait (int, struct target_waitstatus *);
+static ptid_t sds_wait (ptid_t, struct target_waitstatus *);
static void sds_kill (void);
that sds_open knows that we don't have a file open when the program
starts. */
-static serial_t sds_desc = NULL;
+static struct serial *sds_desc = NULL;
/* This limit comes from the monitor. */
/* Clean up connection to a remote debugger. */
-/* ARGSUSED */
static void
sds_close (int quitting)
{
if (sds_desc)
- SERIAL_CLOSE (sds_desc);
+ serial_close (sds_desc);
sds_desc = NULL;
}
/* Stub for catch_errors. */
static int
-sds_start_remote (PTR dummy)
+sds_start_remote (void *dummy)
{
- char c;
+ int c;
unsigned char buf[200];
immediate_quit++; /* Allow user to interrupt it */
/* Ack any packet which the remote side has already sent. */
- SERIAL_WRITE (sds_desc, "{#*\r\n", 5);
- SERIAL_WRITE (sds_desc, "{#}\r\n", 5);
+ serial_write (sds_desc, "{#*\r\n", 5);
+ serial_write (sds_desc, "{#}\r\n", 5);
while ((c = readchar (1)) >= 0)
printf_unfiltered ("%c", c);
/* Open a connection to a remote debugger.
NAME is the filename used for communication. */
-static DCACHE *sds_dcache;
-
static void
sds_open (char *name, int from_tty)
{
unpush_target (&sds_ops);
- if (!sds_dcache)
- sds_dcache = dcache_init (sds_read_bytes, sds_write_bytes);
- else
- dcache_invd (sds_dcache);
-
- sds_desc = SERIAL_OPEN (name);
+ sds_desc = serial_open (name);
if (!sds_desc)
perror_with_name (name);
if (baud_rate != -1)
{
- if (SERIAL_SETBAUDRATE (sds_desc, baud_rate))
+ if (serial_setbaudrate (sds_desc, baud_rate))
{
- SERIAL_CLOSE (sds_desc);
+ serial_close (sds_desc);
perror_with_name (name);
}
}
- SERIAL_RAW (sds_desc);
+ serial_raw (sds_desc);
/* If there is something sitting in the buffer we might take it as a
response to a command, which would be bad. */
- SERIAL_FLUSH_INPUT (sds_desc);
+ serial_flush_input (sds_desc);
if (from_tty)
{
int last_sent_step;
static void
-sds_resume (int pid, int step, enum target_signal siggnal)
+sds_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
unsigned char buf[PBUFSIZ];
- dcache_invd (sds_dcache);
-
last_sent_signal = siggnal;
last_sent_step = step;
Give up (and stop debugging it)? "))
{
target_mourn_inferior ();
- return_to_top_level (RETURN_QUIT);
+ throw_exception (RETURN_QUIT);
}
target_terminal_inferior ();
STATUS just as `wait' would. Returns "pid" (though it's not clear
what, if anything, that means in the case of this target). */
-static int
-sds_wait (int pid, struct target_waitstatus *status)
+static ptid_t
+sds_wait (ptid_t ptid, struct target_waitstatus *status)
{
unsigned char buf[PBUFSIZ];
int retlen;
{
just_started = 0;
status->kind = TARGET_WAITKIND_STOPPED;
- return inferior_pid;
+ return inferior_ptid;
}
while (1)
}
}
got_status:
- return inferior_pid;
+ return inferior_ptid;
}
static unsigned char sprs[16];
/* Read the remote registers into the block REGS. */
/* Currently we just read all the registers, so we don't use regno. */
-/* ARGSUSED */
static void
sds_fetch_registers (int regno)
{
unsigned char buf[PBUFSIZ];
int i, retlen;
- char regs[REGISTER_BYTES];
+ char *regs = alloca (DEPRECATED_REGISTER_BYTES);
/* Unimplemented registers read as all bits zero. */
- memset (regs, 0, REGISTER_BYTES);
+ memset (regs, 0, DEPRECATED_REGISTER_BYTES);
buf[0] = 18;
buf[1] = 1;
/* (should warn about reply too short) */
for (i = 0; i < NUM_REGS; i++)
- supply_register (i, ®s[REGISTER_BYTE (i)]);
+ supply_register (i, ®s[DEPRECATED_REGISTER_BYTE (i)]);
}
/* Prepare to store registers. Since we may send them all, we have to
sds_prepare_to_store (void)
{
/* Make sure the entire registers array is valid. */
- read_register_bytes (0, (char *) NULL, REGISTER_BYTES);
+ deprecated_read_register_bytes (0, (char *) NULL, DEPRECATED_REGISTER_BYTES);
}
/* Store register REGNO, or all registers if REGNO == -1, from the contents
*p++ = 0;
*p++ = 0;
for (i = 0; i < 4 * 6; i++)
- *p++ = registers[i + 4 * 32 + 8 * 32];
+ *p++ = deprecated_registers[i + 4 * 32 + 8 * 32];
for (i = 0; i < 4 * 1; i++)
*p++ = 0;
for (i = 0; i < 4 * 4; i++)
*p++ = 0;
*p++ = 0;
for (i = 0; i < 4 * 32; i++)
- *p++ = registers[i];
+ *p++ = deprecated_registers[i];
sds_send (buf, p - buf);
/* Read or write LEN bytes from inferior memory at MEMADDR,
transferring to or from debugger address MYADDR. Write to inferior
if SHOULD_WRITE is nonzero. Returns length of data written or
- read; 0 for error. */
+ read; 0 for error. TARGET is unused. */
-/* ARGSUSED */
static int
-sds_xfer_memory (memaddr, myaddr, len, should_write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int should_write;
- struct target_ops *target; /* ignored */
+sds_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int should_write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
- return dcache_xfer_memory (sds_dcache, memaddr, myaddr, len, should_write);
+ int res;
+
+ if (should_write)
+ res = sds_write_bytes (memaddr, myaddr, len);
+ else
+ res = sds_read_bytes (memaddr, myaddr, len);
+
+ return res;
}
\f
{
int ch;
- ch = SERIAL_READCHAR (sds_desc, timeout);
+ ch = serial_readchar (sds_desc, timeout);
if (remote_debug > 1 && ch >= 0)
fprintf_unfiltered (gdb_stdlog, "%c(%x)", ch, ch);
and giving it a checksum. */
if (len > 170) /* Prosanity check */
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
if (remote_debug)
{
header[0], header[1], header[2]);
gdb_flush (gdb_stdlog);
}
- if (SERIAL_WRITE (sds_desc, buf2, p - buf2))
+ if (serial_write (sds_desc, buf2, p - buf2))
perror_with_name ("putmessage: write failed");
return 1;
/* Try the whole thing again. */
retry:
/* need to do something here */
+ ;
}
/* We have tried hard enough, and just can't receive the packet. Give up. */
static void
sds_create_inferior (char *exec_file, char *args, char **env)
{
- inferior_pid = 42000;
+ inferior_ptid = pid_to_ptid (42000);
/* Clean up from the last time we were running. */
clear_proceed_status ();
{
generic_load (filename, from_tty);
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
}
\f
/* The SDS monitor has commands for breakpoint insertion, although it
projects / deliverable / binutils-gdb.git / blobdiff