/* Remote debugging interface for boot monitors, for GDB.
- Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2006, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2013 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
Resurrected from the ashes by Stu Grossman.
#include "srec.h"
#include "regcache.h"
#include "gdbthread.h"
+#include "readline/readline.h"
static char *dev_name;
static struct target_ops *targ_ops;
static void monitor_debug (const char *fmt, ...) ATTRIBUTE_PRINTF (1, 2);
-static int monitor_debug_p = 0;
+static unsigned int monitor_debug_p = 0;
/* NOTE: This file alternates between monitor_debug_p and remote_debug
when determining if debug information is printed. Perhaps this
if (final_char)
error (_("%s (%s): %s: %s%c"),
- function, paddress (target_gdbarch, memaddr),
+ function, paddress (target_gdbarch (), memaddr),
message, safe_string, final_char);
else
error (_("%s (%s): %s: %s"),
- function, paddress (target_gdbarch, memaddr),
+ function, paddress (target_gdbarch (), memaddr),
message, safe_string);
}
static void
monitor_vsprintf (char *sndbuf, char *pattern, va_list args)
{
- int addr_bit = gdbarch_addr_bit (target_gdbarch);
+ int addr_bit = gdbarch_addr_bit (target_gdbarch ());
char format[10];
char fmt;
char *p;
}
immediate_quit++;
+ QUIT;
while (1)
{
if (buf)
control. */
void
-monitor_close (int quitting)
+monitor_close (void)
{
if (monitor_desc)
serial_close (monitor_desc);
static void
monitor_detach (struct target_ops *ops, char *args, int from_tty)
{
- pop_target (); /* calls monitor_close to do the real work. */
+ unpush_target (ops); /* calls monitor_close to do the real work. */
if (from_tty)
printf_unfiltered (_("Ending remote %s debugging\n"), target_shortname);
}
static void
monitor_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum target_signal sig)
+ ptid_t ptid, int step, enum gdb_signal sig)
{
/* Some monitors require a different command when starting a program. */
monitor_debug ("MON resume\n");
Give up (and stop debugging it)? ")))
{
target_mourn_inferior ();
- deprecated_throw_reason (RETURN_QUIT);
+ quit ();
}
target_terminal_inferior ();
#endif
status->kind = TARGET_WAITKIND_STOPPED;
- status->value.sig = TARGET_SIGNAL_TRAP;
+ status->value.sig = GDB_SIGNAL_TRAP;
discard_cleanups (old_chain);
}
static int
-monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len)
+monitor_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
unsigned int val, hostval;
char *cmd;
int i;
- monitor_debug ("MON write %d %s\n", len, paddress (target_gdbarch, memaddr));
+ monitor_debug ("MON write %d %s\n", len, paddress (target_gdbarch (), memaddr));
if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
- memaddr = gdbarch_addr_bits_remove (target_gdbarch, memaddr);
+ memaddr = gdbarch_addr_bits_remove (target_gdbarch (), memaddr);
/* Use memory fill command for leading 0 bytes. */
static int
-monitor_write_memory_bytes (CORE_ADDR memaddr, char *myaddr, int len)
+monitor_write_memory_bytes (CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
{
unsigned char val;
int written = 0;
Which possably entails endian conversions. */
static int
-monitor_write_memory_longlongs (CORE_ADDR memaddr, char *myaddr, int len)
+monitor_write_memory_longlongs (CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
{
static char hexstage[20]; /* At least 16 digits required, plus null. */
char *endstring;
long long value;
int written = 0;
- llptr = (unsigned long long *) myaddr;
+ llptr = (long long *) myaddr;
if (len == 0)
return 0;
monitor_printf (current_monitor->setmem.cmdll, memaddr);
monitor variations. */
static int
-monitor_write_memory_block (CORE_ADDR memaddr, char *myaddr, int len)
+monitor_write_memory_block (CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
{
int written;
which can only read a single byte/word/etc. at a time. */
static int
-monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len)
+monitor_read_memory_single (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
unsigned int val;
char membuf[sizeof (int) * 2 + 1];
char *p;
than 16 bytes at a time. */
static int
-monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len)
+monitor_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
{
unsigned int val;
char buf[512];
}
monitor_debug ("MON read block ta(%s) ha(%s) %d\n",
- paddress (target_gdbarch, memaddr),
+ paddress (target_gdbarch (), memaddr),
host_address_to_string (myaddr), len);
if (current_monitor->flags & MO_ADDR_BITS_REMOVE)
- memaddr = gdbarch_addr_bits_remove (target_gdbarch, memaddr);
+ memaddr = gdbarch_addr_bits_remove (target_gdbarch (), memaddr);
if (current_monitor->flags & MO_GETMEM_READ_SINGLE)
return monitor_read_memory_single (memaddr, myaddr, len);
return len;
}
-/* Transfer LEN bytes between target address MEMADDR and GDB address
- MYADDR. Returns 0 for success, errno code for failure. TARGET is
- unused. */
+/* Helper for monitor_xfer_partial that handles memory transfers.
+ Arguments are like target_xfer_partial. */
-static int
-monitor_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write,
- struct mem_attrib *attrib, struct target_ops *target)
+static LONGEST
+monitor_xfer_memory (gdb_byte *readbuf, const gdb_byte *writebuf,
+ ULONGEST memaddr, LONGEST len)
{
int res;
- if (write)
+ if (writebuf != NULL)
{
if (current_monitor->flags & MO_HAS_BLOCKWRITES)
- res = monitor_write_memory_block(memaddr, myaddr, len);
+ res = monitor_write_memory_block (memaddr, writebuf, len);
else
- res = monitor_write_memory(memaddr, myaddr, len);
+ res = monitor_write_memory (memaddr, writebuf, len);
}
else
{
- res = monitor_read_memory(memaddr, myaddr, len);
+ res = monitor_read_memory (memaddr, readbuf, len);
}
+ if (res == 0)
+ return TARGET_XFER_E_IO;
return res;
}
+/* Target to_xfer_partial implementation. */
+
+static LONGEST
+monitor_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
+{
+ switch (object)
+ {
+ case TARGET_OBJECT_MEMORY:
+ return monitor_xfer_memory (readbuf, writebuf, offset, len);
+
+ default:
+ return TARGET_XFER_E_IO;
+ }
+}
+
static void
monitor_kill (struct target_ops *ops)
{
/* monitor_load -- download a file. */
static void
-monitor_load (char *file, int from_tty)
+monitor_load (char *args, int from_tty)
{
+ CORE_ADDR load_offset = 0;
+ char **argv;
+ struct cleanup *old_cleanups;
+ char *filename;
+
monitor_debug ("MON load\n");
- if (current_monitor->load_routine)
- current_monitor->load_routine (monitor_desc, file, hashmark);
- else
- { /* The default is ascii S-records. */
- int n;
- unsigned long load_offset;
- char buf[128];
-
- /* Enable user to specify address for downloading as 2nd arg to load. */
- n = sscanf (file, "%s 0x%lx", buf, &load_offset);
- if (n > 1)
- file = buf;
- else
- load_offset = 0;
+ if (args == NULL)
+ error_no_arg (_("file to load"));
- monitor_printf (current_monitor->load);
- if (current_monitor->loadresp)
- monitor_expect (current_monitor->loadresp, NULL, 0);
+ argv = gdb_buildargv (args);
+ old_cleanups = make_cleanup_freeargv (argv);
- load_srec (monitor_desc, file, (bfd_vma) load_offset,
- 32, SREC_ALL, hashmark,
- current_monitor->flags & MO_SREC_ACK ?
- monitor_wait_srec_ack : NULL);
+ filename = tilde_expand (argv[0]);
+ make_cleanup (xfree, filename);
- monitor_expect_prompt (NULL, 0);
+ /* Enable user to specify address for downloading as 2nd arg to load. */
+ if (argv[1] != NULL)
+ {
+ const char *endptr;
+
+ load_offset = strtoulst (argv[1], &endptr, 0);
+
+ /* If the last word was not a valid number then
+ treat it as a file name with spaces in. */
+ if (argv[1] == endptr)
+ error (_("Invalid download offset:%s."), argv[1]);
+
+ if (argv[2] != NULL)
+ error (_("Too many parameters."));
}
+ monitor_printf (current_monitor->load);
+ if (current_monitor->loadresp)
+ monitor_expect (current_monitor->loadresp, NULL, 0);
+
+ load_srec (monitor_desc, filename, load_offset,
+ 32, SREC_ALL, hashmark,
+ current_monitor->flags & MO_SREC_ACK ?
+ monitor_wait_srec_ack : NULL);
+
+ monitor_expect_prompt (NULL, 0);
+
+ do_cleanups (old_cleanups);
+
/* Finally, make the PC point at the start address. */
if (exec_bfd)
regcache_write_pc (get_current_regcache (),
monitor_ops.to_fetch_registers = monitor_fetch_registers;
monitor_ops.to_store_registers = monitor_store_registers;
monitor_ops.to_prepare_to_store = monitor_prepare_to_store;
- monitor_ops.deprecated_xfer_memory = monitor_xfer_memory;
+ monitor_ops.to_xfer_partial = monitor_xfer_partial;
monitor_ops.to_files_info = monitor_files_info;
monitor_ops.to_insert_breakpoint = monitor_insert_breakpoint;
monitor_ops.to_remove_breakpoint = monitor_remove_breakpoint;
NULL, /* FIXME: i18n: */
&setlist, &showlist);
- add_setshow_zinteger_cmd ("monitor", no_class, &monitor_debug_p, _("\
+ add_setshow_zuinteger_cmd ("monitor", no_class, &monitor_debug_p, _("\
Set debugging of remote monitor communication."), _("\
Show debugging of remote monitor communication."), _("\
When enabled, communication between GDB and the remote monitor\n\
is displayed."),
- NULL,
- NULL, /* FIXME: i18n: */
- &setdebuglist, &showdebuglist);
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setdebuglist, &showdebuglist);
/* Yes, 42000 is arbitrary. The only sense out of it, is that it
isn't 0. */