#include "gdbcore.h" /* for exec_bfd */
+#include "remote-fileio.h"
+
/* Prototypes for local functions */
static void cleanup_sigint_signal_handler (void *dummy);
static void initialize_sigint_signal_handler (void);
static void build_remote_gdbarch_data (void);
-static int remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len);
-
-static int remote_read_bytes (CORE_ADDR memaddr, char *myaddr, int len);
-
static void remote_files_info (struct target_ops *ignore);
static int remote_xfer_memory (CORE_ADDR memaddr, char *myaddr,
static void extended_remote_open (char *name, int from_tty);
static void extended_remote_async_open (char *name, int from_tty);
-static void remote_open_1 (char *, int, struct target_ops *, int extended_p);
-static void remote_async_open_1 (char *, int, struct target_ops *,
- int extended_p);
+static void remote_open_1 (char *, int, struct target_ops *, int extended_p,
+ int async_p);
static void remote_close (int quitting);
static void update_packet_config (struct packet_config *config);
-/* Define the target subroutine names */
-
-void open_remote_target (char *, int, struct target_ops *, int);
-
void _initialize_remote (void);
/* Description of the remote protocol. Strictly speaking, when the
long remote_packet_size;
};
+
/* Handle for retreving the remote protocol data from gdbarch. */
static struct gdbarch_data *remote_gdbarch_data_handle;
static struct remote_state *
-get_remote_state ()
+get_remote_state (void)
{
return gdbarch_data (current_gdbarch, remote_gdbarch_data_handle);
}
int regnum;
struct remote_state *rs = xmalloc (sizeof (struct remote_state));
- /* Start out by having the remote protocol mimic the existing
- behavour - just copy in the description of the register cache. */
- rs->sizeof_g_packet = REGISTER_BYTES; /* OK use. */
+ if (DEPRECATED_REGISTER_BYTES != 0)
+ rs->sizeof_g_packet = DEPRECATED_REGISTER_BYTES;
+ else
+ rs->sizeof_g_packet = 0;
/* Assume a 1:1 regnum<->pnum table. */
rs->regs = xcalloc (NUM_REGS + NUM_PSEUDO_REGS, sizeof (struct packet_reg));
r->regnum = regnum;
r->offset = REGISTER_BYTE (regnum);
r->in_g_packet = (regnum < NUM_REGS);
- /* ...size = REGISTER_RAW_SIZE (regnum); */
/* ...name = REGISTER_NAME (regnum); */
+
+ /* Compute packet size by accumulating the size of all registers. */
+ if (DEPRECATED_REGISTER_BYTES == 0)
+ rs->sizeof_g_packet += register_size (current_gdbarch, regnum);
}
/* Default maximum number of characters in a packet body. Many
return NULL;
}
-/* */
+/* FIXME: graces/2002-08-08: These variables should eventually be
+ bound to an instance of the target object (as in gdbarch-tdep()),
+ when such a thing exists. */
+
+/* This is set to the data address of the access causing the target
+ to stop for a watchpoint. */
+static CORE_ADDR remote_watch_data_address;
+
+/* This is non-zero if taregt stopped for a watchpoint. */
+static int remote_stopped_by_watchpoint_p;
+
static struct target_ops remote_ops;
add_packet_config_cmd (struct packet_config *config,
char *name,
char *title,
- void (*set_func) (char *args, int from_tty,
- struct cmd_list_element *
- c),
- void (*show_func) (char *name,
- int from_tty),
+ cmd_sfunc_ftype *set_func,
+ cmd_sfunc_ftype *show_func,
struct cmd_list_element **set_remote_list,
struct cmd_list_element **show_remote_list,
int legacy)
name, title);
/* set/show TITLE-packet {auto,on,off} */
xasprintf (&cmd_name, "%s-packet", title);
- set_cmd = add_set_auto_boolean_cmd (cmd_name, class_obscure,
- &config->detect, set_doc,
- set_remote_list);
- set_cmd_sfunc (set_cmd, set_func);
- show_cmd = add_cmd (cmd_name, class_obscure, show_func, show_doc,
- show_remote_list);
+ add_setshow_auto_boolean_cmd (cmd_name, class_obscure,
+ &config->detect, set_doc, show_doc,
+ set_func, show_func,
+ set_remote_list, show_remote_list);
/* set/show remote NAME-packet {auto,on,off} -- legacy */
if (legacy)
{
}
static void
-show_remote_protocol_qSymbol_packet_cmd (char *args, int from_tty)
+show_remote_protocol_qSymbol_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_qSymbol);
}
}
static void
-show_remote_protocol_e_packet_cmd (char *args, int from_tty)
+show_remote_protocol_e_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_e);
}
}
static void
-show_remote_protocol_E_packet_cmd (char *args, int from_tty)
+show_remote_protocol_E_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_E);
}
}
static void
-show_remote_protocol_P_packet_cmd (char *args, int from_tty)
+show_remote_protocol_P_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_P);
}
}
static void
-show_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty)
+show_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP]);
}
}
static void
-show_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty)
+show_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP]);
}
}
static void
-show_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty)
+show_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP]);
}
}
static void
-show_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty)
+show_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP]);
}
}
static void
-show_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty)
+show_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP]);
}
}
static void
-show_remote_protocol_Z_packet_cmd (char *args, int from_tty)
+show_remote_protocol_Z_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
int i;
for (i = 0; i < NR_Z_PACKET_TYPES; i++)
}
static void
-show_remote_protocol_binary_download_cmd (char *args,
- int from_tty)
+show_remote_protocol_binary_download_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_binary_download);
}
#define BUF_THREAD_ID_SIZE (OPAQUETHREADBYTES*2)
-char *unpack_varlen_hex (char *buff, int *result);
+char *unpack_varlen_hex (char *buff, ULONGEST *result);
static char *unpack_nibble (char *buf, int *val);
char *
unpack_varlen_hex (char *buff, /* packet to parse */
- int *result)
+ ULONGEST *result)
{
int nibble;
int retval = 0;
if (symfile_objfile == NULL)
return;
- offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
- memcpy (offs, symfile_objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
+ offs = ((struct section_offsets *)
+ alloca (SIZEOF_N_SECTION_OFFSETS (symfile_objfile->num_sections)));
+ memcpy (offs, symfile_objfile->section_offsets,
+ SIZEOF_N_SECTION_OFFSETS (symfile_objfile->num_sections));
offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_addr;
broken for xcoff, dwarf, sdb-coff, etc. But there is no
simple canonical representation for this stuff. */
- offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
- memcpy (offs, symfile_objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
+ offs = (struct section_offsets *)
+ alloca (SIZEOF_N_SECTION_OFFSETS (symfile_objfile->num_sections));
+ memcpy (offs, symfile_objfile->section_offsets,
+ SIZEOF_N_SECTION_OFFSETS (symfile_objfile->num_sections));
offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_off;
offs->offsets[SECT_OFF_DATA (symfile_objfile)] = data_off;
static void
remote_open (char *name, int from_tty)
{
- remote_open_1 (name, from_tty, &remote_ops, 0);
+ remote_open_1 (name, from_tty, &remote_ops, 0, 0);
}
/* Just like remote_open, but with asynchronous support. */
static void
remote_async_open (char *name, int from_tty)
{
- remote_async_open_1 (name, from_tty, &remote_async_ops, 0);
+ remote_open_1 (name, from_tty, &remote_async_ops, 0, 1);
}
/* Open a connection to a remote debugger using the extended
static void
extended_remote_open (char *name, int from_tty)
{
- remote_open_1 (name, from_tty, &extended_remote_ops, 1 /*extended_p */ );
+ remote_open_1 (name, from_tty, &extended_remote_ops, 1 /*extended_p */,
+ 0 /* async_p */);
}
/* Just like extended_remote_open, but with asynchronous support. */
static void
extended_remote_async_open (char *name, int from_tty)
{
- remote_async_open_1 (name, from_tty, &extended_async_remote_ops, 1 /*extended_p */ );
+ remote_open_1 (name, from_tty, &extended_async_remote_ops,
+ 1 /*extended_p */, 1 /* async_p */);
}
/* Generic code for opening a connection to a remote target. */
static void
remote_open_1 (char *name, int from_tty, struct target_ops *target,
- int extended_p)
+ int extended_p, int async_p)
{
int ex;
struct remote_state *rs = get_remote_state ();
"(e.g. /dev/ttyS0, /dev/ttya, COM1, etc.).");
/* See FIXME above */
- wait_forever_enabled_p = 1;
+ if (!async_p)
+ wait_forever_enabled_p = 1;
target_preopen (from_tty);
someday have a notion of debugging several processes. */
inferior_ptid = pid_to_ptid (MAGIC_NULL_PID);
+
+ if (async_p)
+ {
+ /* With this target we start out by owning the terminal. */
+ remote_async_terminal_ours_p = 1;
+
+ /* FIXME: cagney/1999-09-23: During the initial connection it is
+ assumed that the target is already ready and able to respond to
+ requests. Unfortunately remote_start_remote() eventually calls
+ wait_for_inferior() with no timeout. wait_forever_enabled_p gets
+ around this. Eventually a mechanism that allows
+ wait_for_inferior() to expect/get timeouts will be
+ implemented. */
+ wait_forever_enabled_p = 0;
+ }
+
#ifdef SOLIB_CREATE_INFERIOR_HOOK
/* First delete any symbols previously loaded from shared libraries. */
no_shared_libraries (NULL, 0);
if (ex < 0)
{
pop_target ();
+ if (async_p)
+ wait_forever_enabled_p = 1;
throw_exception (ex);
}
- if (extended_p)
- {
- /* Tell the remote that we are using the extended protocol. */
- char *buf = alloca (rs->remote_packet_size);
- putpkt ("!");
- getpkt (buf, (rs->remote_packet_size), 0);
- }
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
- /* FIXME: need a master target_open vector from which all
- remote_opens can be called, so that stuff like this can
- go there. Failing that, the following code must be copied
- to the open function for any remote target that wants to
- support svr4 shared libraries. */
-
- /* Set up to detect and load shared libraries. */
- if (exec_bfd) /* No use without an exec file. */
- {
- SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
- remote_check_symbols (symfile_objfile);
- }
-#endif
-}
-
-/* Just like remote_open but with asynchronous support. */
-static void
-remote_async_open_1 (char *name, int from_tty, struct target_ops *target,
- int extended_p)
-{
- int ex;
- struct remote_state *rs = get_remote_state ();
- if (name == 0)
- error ("To open a remote debug connection, you need to specify what\n"
- "serial device is attached to the remote system\n"
- "(e.g. /dev/ttyS0, /dev/ttya, COM1, etc.).");
-
- target_preopen (from_tty);
-
- unpush_target (target);
-
- remote_desc = remote_serial_open (name);
- if (!remote_desc)
- perror_with_name (name);
-
- if (baud_rate != -1)
- {
- if (serial_setbaudrate (remote_desc, baud_rate))
- {
- serial_close (remote_desc);
- perror_with_name (name);
- }
- }
-
- serial_raw (remote_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 (remote_desc);
-
- if (from_tty)
- {
- puts_filtered ("Remote debugging using ");
- puts_filtered (name);
- puts_filtered ("\n");
- }
-
- push_target (target); /* Switch to using remote target now */
-
- init_all_packet_configs ();
-
- general_thread = -2;
- continue_thread = -2;
-
- /* Probe for ability to use "ThreadInfo" query, as required. */
- use_threadinfo_query = 1;
- use_threadextra_query = 1;
-
- /* Without this, some commands which require an active target (such
- as kill) won't work. This variable serves (at least) double duty
- as both the pid of the target process (if it has such), and as a
- flag indicating that a target is active. These functions should
- be split out into seperate variables, especially since GDB will
- someday have a notion of debugging several processes. */
- inferior_ptid = pid_to_ptid (MAGIC_NULL_PID);
-
- /* With this target we start out by owning the terminal. */
- remote_async_terminal_ours_p = 1;
-
- /* FIXME: cagney/1999-09-23: During the initial connection it is
- assumed that the target is already ready and able to respond to
- requests. Unfortunately remote_start_remote() eventually calls
- wait_for_inferior() with no timeout. wait_forever_enabled_p gets
- around this. Eventually a mechanism that allows
- wait_for_inferior() to expect/get timeouts will be
- implemented. */
- wait_forever_enabled_p = 0;
-
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
- /* First delete any symbols previously loaded from shared libraries. */
- no_shared_libraries (NULL, 0);
-#endif
-
- /* Start the remote connection; if error, discard this target. See
- the comments in remote_open_1() for further details such as the
- need to re-throw the exception. */
- ex = catch_exceptions (uiout,
- remote_start_remote, NULL,
- "Couldn't establish connection to remote"
- " target\n",
- RETURN_MASK_ALL);
- if (ex < 0)
- {
- pop_target ();
- wait_forever_enabled_p = 1;
- throw_exception (ex);
- }
-
- wait_forever_enabled_p = 1;
+ if (async_p)
+ wait_forever_enabled_p = 1;
if (extended_p)
{
{
struct remote_state *rs = get_remote_state ();
unsigned char *buf = alloca (rs->remote_packet_size);
- int thread_num = -1;
+ ULONGEST thread_num = -1;
+ ULONGEST addr;
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
if (target_wait_loop_hook)
(*target_wait_loop_hook) ();
+ remote_stopped_by_watchpoint_p = 0;
+
switch (buf[0])
{
case 'E': /* Error of some sort */
warning ("Remote failure reply: %s", buf);
continue;
+ case 'F': /* File-I/O request */
+ remote_fileio_request (buf);
+ continue;
case 'T': /* Status with PC, SP, FP, ... */
{
int i;
- char* regs = (char*) alloca (MAX_REGISTER_RAW_SIZE);
+ char regs[MAX_REGISTER_SIZE];
/* Expedited reply, containing Signal, {regno, reg} repeat */
/* format is: 'Tssn...:r...;n...:r...;n...:r...;#cc', where
unsigned char *p1;
char *p_temp;
int fieldsize;
+ LONGEST pnum = 0;
- /* Read the ``P'' register number. */
- LONGEST pnum = strtol ((const char *) p, &p_temp, 16);
- p1 = (unsigned char *) p_temp;
+ /* If the packet contains a register number save it in pnum
+ and set p1 to point to the character following it.
+ Otherwise p1 points to p. */
+
+ /* If this packet is an awatch packet, don't parse the 'a'
+ as a register number. */
+
+ if (strncmp (p, "awatch", strlen("awatch")) != 0)
+ {
+ /* Read the ``P'' register number. */
+ pnum = strtol (p, &p_temp, 16);
+ p1 = (unsigned char *) p_temp;
+ }
+ else
+ p1 = p;
if (p1 == p) /* No register number present here */
{
- p1 = (unsigned char *) strchr ((const char *) p, ':');
+ p1 = (unsigned char *) strchr (p, ':');
if (p1 == NULL)
warning ("Malformed packet(a) (missing colon): %s\n\
Packet: '%s'\n",
p, buf);
- if (strncmp ((const char *) p, "thread", p1 - p) == 0)
+ if (strncmp (p, "thread", p1 - p) == 0)
{
p_temp = unpack_varlen_hex (++p1, &thread_num);
record_currthread (thread_num);
p = (unsigned char *) p_temp;
}
+ else if ((strncmp (p, "watch", p1 - p) == 0)
+ || (strncmp (p, "rwatch", p1 - p) == 0)
+ || (strncmp (p, "awatch", p1 - p) == 0))
+ {
+ remote_stopped_by_watchpoint_p = 1;
+ p = unpack_varlen_hex (++p1, &addr);
+ remote_watch_data_address = (CORE_ADDR)addr;
+ }
+ else
+ {
+ /* Silently skip unknown optional info. */
+ p_temp = strchr (p1 + 1, ';');
+ if (p_temp)
+ p = (unsigned char *) p_temp;
+ }
}
else
{
{
struct remote_state *rs = get_remote_state ();
unsigned char *buf = alloca (rs->remote_packet_size);
- int thread_num = -1;
+ ULONGEST thread_num = -1;
+ ULONGEST addr;
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
+ remote_stopped_by_watchpoint_p = 0;
+
while (1)
{
unsigned char *p;
case 'E': /* Error of some sort */
warning ("Remote failure reply: %s", buf);
continue;
+ case 'F': /* File-I/O request */
+ remote_fileio_request (buf);
+ continue;
case 'T': /* Status with PC, SP, FP, ... */
{
int i;
- char* regs = (char*) alloca (MAX_REGISTER_RAW_SIZE);
+ char regs[MAX_REGISTER_SIZE];
/* Expedited reply, containing Signal, {regno, reg} repeat */
/* format is: 'Tssn...:r...;n...:r...;n...:r...;#cc', where
unsigned char *p1;
char *p_temp;
int fieldsize;
+ long pnum = 0;
+
+ /* If the packet contains a register number, save it in pnum
+ and set p1 to point to the character following it.
+ Otherwise p1 points to p. */
- /* Read the register number */
- long pnum = strtol ((const char *) p, &p_temp, 16);
- p1 = (unsigned char *) p_temp;
+ /* If this packet is an awatch packet, don't parse the 'a'
+ as a register number. */
+
+ if (!strncmp (p, "awatch", strlen ("awatch")) != 0)
+ {
+ /* Read the register number. */
+ pnum = strtol (p, &p_temp, 16);
+ p1 = (unsigned char *) p_temp;
+ }
+ else
+ p1 = p;
if (p1 == p) /* No register number present here */
{
- p1 = (unsigned char *) strchr ((const char *) p, ':');
+ p1 = (unsigned char *) strchr (p, ':');
if (p1 == NULL)
warning ("Malformed packet(a) (missing colon): %s\n\
Packet: '%s'\n",
p, buf);
- if (strncmp ((const char *) p, "thread", p1 - p) == 0)
+ if (strncmp (p, "thread", p1 - p) == 0)
{
p_temp = unpack_varlen_hex (++p1, &thread_num);
record_currthread (thread_num);
p = (unsigned char *) p_temp;
}
+ else if ((strncmp (p, "watch", p1 - p) == 0)
+ || (strncmp (p, "rwatch", p1 - p) == 0)
+ || (strncmp (p, "awatch", p1 - p) == 0))
+ {
+ remote_stopped_by_watchpoint_p = 1;
+ p = unpack_varlen_hex (++p1, &addr);
+ remote_watch_data_address = (CORE_ADDR)addr;
+ }
+ else
+ {
+ /* Silently skip unknown optional info. */
+ p_temp = (unsigned char *) strchr (p1 + 1, ';');
+ if (p_temp)
+ p = p_temp;
+ }
}
+
else
{
struct packet_reg *reg = packet_reg_from_pnum (rs, pnum);
/* NOTE: This isn't rs->sizeof_g_packet because here, we are
forcing the register cache to read its and not the target
registers. */
- read_register_bytes (0, (char *) NULL, REGISTER_BYTES); /* OK use. */
+ deprecated_read_register_bytes (0, (char *) NULL,
+ DEPRECATED_REGISTER_BYTES); /* OK */
break;
case PACKET_ENABLE:
break;
struct packet_reg *reg = packet_reg_from_regnum (rs, regnum);
/* Try storing a single register. */
char *buf = alloca (rs->remote_packet_size);
- char *regp = alloca (MAX_REGISTER_RAW_SIZE);
+ char regp[MAX_REGISTER_SIZE];
char *p;
int i;
Returns number of bytes transferred, or 0 (setting errno) for
error. Only transfer a single packet. */
-static int
+int
remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
unsigned char *buf;
caller and its callers caller ;-) already contains code for
handling partial reads. */
-static int
+int
remote_read_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
char *buf;
putpkt (buf);
getpkt (buf, sizeof_buf, 0);
- if (buf[0] == 'E')
+ if (buf[0] == 'E'
+ && isxdigit (buf[1]) && isxdigit (buf[2])
+ && buf[3] == '\0')
{
/* There is no correspondance between what the remote protocol uses
for errors and errno codes. We would like a cleaner way of
int targ_len;
int res;
- REMOTE_TRANSLATE_XFER_ADDRESS (mem_addr, mem_len, &targ_addr, &targ_len);
+ /* Should this be the selected frame? */
+ gdbarch_remote_translate_xfer_address (current_gdbarch, current_regcache,
+ mem_addr, mem_len,
+ &targ_addr, &targ_len);
if (targ_len <= 0)
return 0;
}
\f
-/* On some machines, e.g. 68k, we may use a different breakpoint instruction
- than other targets; in those use REMOTE_BREAKPOINT instead of just
- BREAKPOINT. Also, bi-endian targets may define LITTLE_REMOTE_BREAKPOINT
- and BIG_REMOTE_BREAKPOINT. If none of these are defined, we just call
- the standard routines that are in mem-break.c. */
+/* On some machines, e.g. 68k, we may use a different breakpoint
+ instruction than other targets; in those use
+ DEPRECATED_REMOTE_BREAKPOINT instead of just BREAKPOINT_FROM_PC.
+ Also, bi-endian targets may define
+ DEPRECATED_LITTLE_REMOTE_BREAKPOINT and
+ DEPRECATED_BIG_REMOTE_BREAKPOINT. If none of these are defined, we
+ just call the standard routines that are in mem-break.c. */
-/* FIXME, these ought to be done in a more dynamic fashion. For instance,
- the choice of breakpoint instruction affects target program design and
- vice versa, and by making it user-tweakable, the special code here
- goes away and we need fewer special GDB configurations. */
+/* NOTE: cagney/2003-06-08: This is silly. A remote and simulator
+ target should use an identical BREAKPOINT_FROM_PC. As for native,
+ the ARCH-OS-tdep.c code can override the default. */
-#if defined (LITTLE_REMOTE_BREAKPOINT) && defined (BIG_REMOTE_BREAKPOINT) && !defined(REMOTE_BREAKPOINT)
-#define REMOTE_BREAKPOINT
+#if defined (DEPRECATED_LITTLE_REMOTE_BREAKPOINT) && defined (DEPRECATED_BIG_REMOTE_BREAKPOINT) && !defined(DEPRECATED_REMOTE_BREAKPOINT)
+#define DEPRECATED_REMOTE_BREAKPOINT
#endif
-#ifdef REMOTE_BREAKPOINT
+#ifdef DEPRECATED_REMOTE_BREAKPOINT
/* If the target isn't bi-endian, just pretend it is. */
-#if !defined (LITTLE_REMOTE_BREAKPOINT) && !defined (BIG_REMOTE_BREAKPOINT)
-#define LITTLE_REMOTE_BREAKPOINT REMOTE_BREAKPOINT
-#define BIG_REMOTE_BREAKPOINT REMOTE_BREAKPOINT
+#if !defined (DEPRECATED_LITTLE_REMOTE_BREAKPOINT) && !defined (DEPRECATED_BIG_REMOTE_BREAKPOINT)
+#define DEPRECATED_LITTLE_REMOTE_BREAKPOINT DEPRECATED_REMOTE_BREAKPOINT
+#define DEPRECATED_BIG_REMOTE_BREAKPOINT DEPRECATED_REMOTE_BREAKPOINT
#endif
-static unsigned char big_break_insn[] = BIG_REMOTE_BREAKPOINT;
-static unsigned char little_break_insn[] = LITTLE_REMOTE_BREAKPOINT;
+static unsigned char big_break_insn[] = DEPRECATED_BIG_REMOTE_BREAKPOINT;
+static unsigned char little_break_insn[] = DEPRECATED_LITTLE_REMOTE_BREAKPOINT;
-#endif /* REMOTE_BREAKPOINT */
+#endif /* DEPRECATED_REMOTE_BREAKPOINT */
-/* Insert a breakpoint on targets that don't have any better breakpoint
- support. We read the contents of the target location and stash it,
- then overwrite it with a breakpoint instruction. ADDR is the target
- location in the target machine. CONTENTS_CACHE is a pointer to
- memory allocated for saving the target contents. It is guaranteed
- by the caller to be long enough to save sizeof BREAKPOINT bytes (this
- is accomplished via BREAKPOINT_MAX). */
+/* Insert a breakpoint on targets that don't have any better
+ breakpoint support. We read the contents of the target location
+ and stash it, then overwrite it with a breakpoint instruction.
+ ADDR is the target location in the target machine. CONTENTS_CACHE
+ is a pointer to memory allocated for saving the target contents.
+ It is guaranteed by the caller to be long enough to save the number
+ of bytes returned by BREAKPOINT_FROM_PC. */
static int
remote_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
struct remote_state *rs = get_remote_state ();
-#ifdef REMOTE_BREAKPOINT
+#ifdef DEPRECATED_REMOTE_BREAKPOINT
int val;
#endif
int bp_size;
}
}
-#ifdef REMOTE_BREAKPOINT
+#ifdef DEPRECATED_REMOTE_BREAKPOINT
val = target_read_memory (addr, contents_cache, sizeof big_break_insn);
if (val == 0)
return val;
#else
return memory_insert_breakpoint (addr, contents_cache);
-#endif /* REMOTE_BREAKPOINT */
+#endif /* DEPRECATED_REMOTE_BREAKPOINT */
}
static int
return (buf[0] == 'E');
}
-#ifdef REMOTE_BREAKPOINT
+#ifdef DEPRECATED_REMOTE_BREAKPOINT
return target_write_memory (addr, contents_cache, sizeof big_break_insn);
#else
return memory_remove_breakpoint (addr, contents_cache);
-#endif /* REMOTE_BREAKPOINT */
+#endif /* DEPRECATED_REMOTE_BREAKPOINT */
}
static int
}
}
-/* FIXME: This function should be static and a member of the remote
- target vector. */
-
-int
+static int
remote_insert_watchpoint (CORE_ADDR addr, int len, int type)
{
struct remote_state *rs = get_remote_state ();
"remote_insert_watchpoint: reached end of function");
}
-/* FIXME: This function should be static and a member of the remote
- target vector. */
-int
+static int
remote_remove_watchpoint (CORE_ADDR addr, int len, int type)
{
struct remote_state *rs = get_remote_state ();
"remote_remove_watchpoint: reached end of function");
}
-/* FIXME: This function should be static and a member of the remote
- target vector. */
-int
-remote_insert_hw_breakpoint (CORE_ADDR addr, int len)
+int remote_hw_watchpoint_limit = -1;
+int remote_hw_breakpoint_limit = -1;
+
+static int
+remote_check_watch_resources (int type, int cnt, int ot)
+{
+ if (type == bp_hardware_breakpoint)
+ {
+ if (remote_hw_breakpoint_limit == 0)
+ return 0;
+ else if (remote_hw_breakpoint_limit < 0)
+ return 1;
+ else if (cnt <= remote_hw_breakpoint_limit)
+ return 1;
+ }
+ else
+ {
+ if (remote_hw_watchpoint_limit == 0)
+ return 0;
+ else if (remote_hw_watchpoint_limit < 0)
+ return 1;
+ else if (ot)
+ return -1;
+ else if (cnt <= remote_hw_watchpoint_limit)
+ return 1;
+ }
+ return -1;
+}
+
+static int
+remote_stopped_by_watchpoint (void)
{
+ return remote_stopped_by_watchpoint_p;
+}
+
+static CORE_ADDR
+remote_stopped_data_address (void)
+{
+ if (remote_stopped_by_watchpoint ())
+ return remote_watch_data_address;
+ return (CORE_ADDR)0;
+}
+
+
+static int
+remote_insert_hw_breakpoint (CORE_ADDR addr, char *shadow)
+{
+ int len = 0;
struct remote_state *rs = get_remote_state ();
char *buf = alloca (rs->remote_packet_size);
char *p = buf;
+ /* The length field should be set to the size of a breakpoint
+ instruction. */
+
+ BREAKPOINT_FROM_PC (&addr, &len);
+
if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
error ("Can't set hardware breakpoint without the '%s' (%s) packet\n",
remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
return 0;
}
internal_error (__FILE__, __LINE__,
- "remote_remove_watchpoint: reached end of function");
+ "remote_insert_hw_breakpoint: reached end of function");
}
-/* FIXME: This function should be static and a member of the remote
- target vector. */
-int
-remote_remove_hw_breakpoint (CORE_ADDR addr, int len)
+static int
+remote_remove_hw_breakpoint (CORE_ADDR addr, char *shadow)
{
+ int len;
struct remote_state *rs = get_remote_state ();
char *buf = alloca (rs->remote_packet_size);
char *p = buf;
-
+
+ /* The length field should be set to the size of a breakpoint
+ instruction. */
+
+ BREAKPOINT_FROM_PC (&addr, &len);
+
if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
error ("Can't clear hardware breakpoint without the '%s' (%s) packet\n",
remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
return 0;
}
internal_error (__FILE__, __LINE__,
- "remote_remove_watchpoint: reached end of function");
+ "remote_remove_hw_breakpoint: reached end of function");
}
/* Some targets are only capable of doing downloads, and afterwards
remote_open (name, from_tty);
}
-/* Other targets want to use the entire remote serial module but with
- certain remote_ops overridden. */
-
-void
-open_remote_target (char *name, int from_tty, struct target_ops *target,
- int extended_p)
-{
- printf_filtered ("Selecting the %sremote protocol\n",
- (extended_p ? "extended-" : ""));
- remote_open_1 (name, from_tty, target, extended_p);
-}
-
/* Table used by the crc32 function to calcuate the checksum. */
static unsigned long crc32_table[256] =
remote_ops.to_files_info = remote_files_info;
remote_ops.to_insert_breakpoint = remote_insert_breakpoint;
remote_ops.to_remove_breakpoint = remote_remove_breakpoint;
+ remote_ops.to_stopped_by_watchpoint = remote_stopped_by_watchpoint;
+ remote_ops.to_stopped_data_address = remote_stopped_data_address;
+ remote_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
+ remote_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
+ remote_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
+ remote_ops.to_insert_watchpoint = remote_insert_watchpoint;
+ remote_ops.to_remove_watchpoint = remote_remove_watchpoint;
remote_ops.to_kill = remote_kill;
remote_ops.to_load = generic_load;
remote_ops.to_mourn_inferior = remote_mourn;
int status;
int quit_count = 0;
- extern int escape_count; /* global shared by readsocket */
- extern int echo_check; /* ditto */
-
escape_count = 0;
echo_check = -1;
remote_cisco_ops.to_xfer_memory = remote_xfer_memory;
remote_cisco_ops.to_files_info = remote_files_info;
remote_cisco_ops.to_insert_breakpoint = remote_insert_breakpoint;
- remote_cisco_ops.to_remove_breakpoint = remote_remove_breakpoint;
+ remote_cisco_ops.to_remove_breakpoint = remote_remove_breakpoint;
+ remote_cisco_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
+ remote_cisco_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
+ remote_cisco_ops.to_insert_watchpoint = remote_insert_watchpoint;
+ remote_cisco_ops.to_remove_watchpoint = remote_remove_watchpoint;
+ remote_cisco_ops.to_stopped_by_watchpoint = remote_stopped_by_watchpoint;
+ remote_cisco_ops.to_stopped_data_address = remote_stopped_data_address;
+ remote_cisco_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
remote_cisco_ops.to_kill = remote_kill;
remote_cisco_ops.to_load = generic_load;
remote_cisco_ops.to_mourn_inferior = remote_cisco_mourn;
remote_async_ops.to_files_info = remote_files_info;
remote_async_ops.to_insert_breakpoint = remote_insert_breakpoint;
remote_async_ops.to_remove_breakpoint = remote_remove_breakpoint;
+ remote_async_ops.to_can_use_hw_breakpoint = remote_check_watch_resources;
+ remote_async_ops.to_insert_hw_breakpoint = remote_insert_hw_breakpoint;
+ remote_async_ops.to_remove_hw_breakpoint = remote_remove_hw_breakpoint;
+ remote_async_ops.to_insert_watchpoint = remote_insert_watchpoint;
+ remote_async_ops.to_remove_watchpoint = remote_remove_watchpoint;
+ remote_async_ops.to_stopped_by_watchpoint = remote_stopped_by_watchpoint;
+ remote_async_ops.to_stopped_data_address = remote_stopped_data_address;
remote_async_ops.to_terminal_inferior = remote_async_terminal_inferior;
remote_async_ops.to_terminal_ours = remote_async_terminal_ours;
remote_async_ops.to_kill = remote_async_kill;
static void
show_remote_cmd (char *args, int from_tty)
{
-
- show_remote_protocol_Z_packet_cmd (args, from_tty);
- show_remote_protocol_e_packet_cmd (args, from_tty);
- show_remote_protocol_E_packet_cmd (args, from_tty);
- show_remote_protocol_P_packet_cmd (args, from_tty);
- show_remote_protocol_qSymbol_packet_cmd (args, from_tty);
- show_remote_protocol_binary_download_cmd (args, from_tty);
+ /* FIXME: cagney/2002-06-15: This function should iterate over
+ remote_show_cmdlist for a list of sub commands to show. */
+ show_remote_protocol_Z_packet_cmd (args, from_tty, NULL);
+ show_remote_protocol_e_packet_cmd (args, from_tty, NULL);
+ show_remote_protocol_E_packet_cmd (args, from_tty, NULL);
+ show_remote_protocol_P_packet_cmd (args, from_tty, NULL);
+ show_remote_protocol_qSymbol_packet_cmd (args, from_tty, NULL);
+ show_remote_protocol_binary_download_cmd (args, from_tty, NULL);
}
static void
terminating `#' character and checksum.",
&maintenancelist);
- add_show_from_set
- (add_set_boolean_cmd ("remotebreak", no_class, &remote_break,
- "Set whether to send break if interrupted.\n",
- &setlist),
- &showlist);
+ add_setshow_boolean_cmd ("remotebreak", no_class, &remote_break,
+ "Set whether to send break if interrupted.\n",
+ "Show whether to send break if interrupted.\n",
+ NULL, NULL,
+ &setlist, &showlist);
/* Install commands for configuring memory read/write packets. */
"Show the maximum number of bytes per memory-read packet.\n",
&remote_show_cmdlist);
+ add_setshow_cmd ("hardware-watchpoint-limit", no_class,
+ var_zinteger, &remote_hw_watchpoint_limit, "\
+Set the maximum number of target hardware watchpoints.\n\
+Specify a negative limit for unlimited.", "\
+Show the maximum number of target hardware watchpoints.\n",
+ NULL, NULL, &remote_set_cmdlist, &remote_show_cmdlist);
+ add_setshow_cmd ("hardware-breakpoint-limit", no_class,
+ var_zinteger, &remote_hw_breakpoint_limit, "\
+Set the maximum number of target hardware breakpoints.\n\
+Specify a negative limit for unlimited.", "\
+Show the maximum number of target hardware breakpoints.\n",
+ NULL, NULL, &remote_set_cmdlist, &remote_show_cmdlist);
+
add_show_from_set
(add_set_cmd ("remoteaddresssize", class_obscure,
var_integer, (char *) &remote_address_size,
0);
/* Keep the old ``set remote Z-packet ...'' working. */
- tmpcmd = add_set_auto_boolean_cmd ("Z-packet", class_obscure,
- &remote_Z_packet_detect,
- "\
-Set use of remote protocol `Z' packets", &remote_set_cmdlist);
- set_cmd_sfunc (tmpcmd, set_remote_protocol_Z_packet_cmd);
- add_cmd ("Z-packet", class_obscure, show_remote_protocol_Z_packet_cmd,
- "Show use of remote protocol `Z' packets ",
- &remote_show_cmdlist);
+ add_setshow_auto_boolean_cmd ("Z-packet", class_obscure,
+ &remote_Z_packet_detect, "\
+Set use of remote protocol `Z' packets",
+ "Show use of remote protocol `Z' packets ",
+ set_remote_protocol_Z_packet_cmd,
+ show_remote_protocol_Z_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist);
+
+ /* Eventually initialize fileio. See fileio.c */
+ initialize_remote_fileio (remote_set_cmdlist, remote_show_cmdlist);
}
projects / deliverable / binutils-gdb.git / blobdiff