/* 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) 1990-2015 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
Resurrected from the ashes by Stu Grossman.
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
-#include "exceptions.h"
#include <signal.h>
#include <ctype.h>
-#include "gdb_string.h"
#include <sys/types.h>
#include "command.h"
#include "serial.h"
#include "monitor.h"
#include "gdbcmd.h"
#include "inferior.h"
+#include "infrun.h"
#include "gdb_regex.h"
#include "srec.h"
#include "regcache.h"
#include "gdbthread.h"
+#include "readline/readline.h"
+#include "rsp-low.h"
static char *dev_name;
static struct target_ops *targ_ops;
static void monitor_interrupt_query (void);
static void monitor_interrupt_twice (int);
-static void monitor_stop (ptid_t);
+static void monitor_stop (struct target_ops *self, ptid_t);
static void monitor_dump_regs (struct regcache *regcache);
#if 0
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);
}
-/* Convert hex digit A to a number. */
-
-static int
-fromhex (int a)
-{
- if (a >= '0' && a <= '9')
- return a - '0';
- else if (a >= 'a' && a <= 'f')
- return a - 'a' + 10;
- else if (a >= 'A' && a <= 'F')
- return a - 'A' + 10;
- else
- error (_("Invalid hex digit %d"), a);
-}
-
/* monitor_vsprintf - similar to vsprintf but handles 64-bit addresses
This function exists to get around the problem that many host platforms
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)
for communication. */
void
-monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty)
+monitor_open (const char *args, struct monitor_ops *mon_ops, int from_tty)
{
- char *name;
+ const char *name;
char **p;
struct inferior *inf;
}
}
+ serial_setparity (monitor_desc, serial_parity);
serial_raw (monitor_desc);
serial_flush_input (monitor_desc);
if (current_monitor->stop)
{
- monitor_stop (inferior_ptid);
+ monitor_stop (targ_ops, inferior_ptid);
if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0)
{
monitor_debug ("EXP Open echo\n");
control. */
void
-monitor_close (int quitting)
+monitor_close (struct target_ops *self)
{
if (monitor_desc)
serial_close (monitor_desc);
monitor_desc = NULL;
- delete_thread_silent (monitor_ptid);
- delete_inferior_silent (ptid_get_pid (monitor_ptid));
+ discard_all_inferiors ();
}
/* Terminate the open connection to the remote debugger. Use this
when you want to detach and do something else with your gdb. */
static void
-monitor_detach (struct target_ops *ops, char *args, int from_tty)
+monitor_detach (struct target_ops *ops, const 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);
debugged. */
static void
-monitor_prepare_to_store (struct regcache *regcache)
+monitor_prepare_to_store (struct target_ops *self, struct regcache *regcache)
{
/* Do nothing, since we can store individual regs. */
}
}
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 enum target_xfer_status
+monitor_xfer_memory (gdb_byte *readbuf, const gdb_byte *writebuf,
+ ULONGEST memaddr, ULONGEST len, ULONGEST *xfered_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);
}
- return res;
+ if (res <= 0)
+ return TARGET_XFER_E_IO;
+ else
+ {
+ *xfered_len = (ULONGEST) res;
+ return TARGET_XFER_OK;
+ }
+}
+
+/* Target to_xfer_partial implementation. */
+
+static enum target_xfer_status
+monitor_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
+{
+ switch (object)
+ {
+ case TARGET_OBJECT_MEMORY:
+ return monitor_xfer_memory (readbuf, writebuf, offset, len, xfered_len);
+
+ default:
+ return TARGET_XFER_E_IO;
+ }
}
static void
error (_("Args are not supported by the monitor."));
first_time = 1;
- clear_proceed_status ();
+ clear_proceed_status (0);
regcache_write_pc (get_current_regcache (),
bfd_get_start_address (exec_bfd));
}
/* Tell the monitor to add a breakpoint. */
static int
-monitor_insert_breakpoint (struct gdbarch *gdbarch,
+monitor_insert_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
- CORE_ADDR addr = bp_tgt->placed_address;
+ CORE_ADDR addr = bp_tgt->placed_address = bp_tgt->reqstd_address;
int i;
int bplen;
/* Tell the monitor to remove a breakpoint. */
static int
-monitor_remove_breakpoint (struct gdbarch *gdbarch,
+monitor_remove_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
CORE_ADDR addr = bp_tgt->placed_address;
/* monitor_load -- download a file. */
static void
-monitor_load (char *file, int from_tty)
+monitor_load (struct target_ops *self, const 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 (),
}
static void
-monitor_stop (ptid_t ptid)
+monitor_stop (struct target_ops *self, ptid_t ptid)
{
monitor_debug ("MON stop\n");
if ((current_monitor->flags & MO_SEND_BREAK_ON_STOP) != 0)
ourseleves here cause of a nasty echo. */
static void
-monitor_rcmd (char *command,
+monitor_rcmd (struct target_ops *self, const char *command,
struct ui_file *outbuf)
{
char *p;
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. */
projects / deliverable / binutils-gdb.git / blobdiff