/* Remote target communications for serial-line targets in custom GDB protocol
- Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
-/* See the GDB User Guide for details of the GDB remote protocol. */
+/* See the GDB User Guide for details of the GDB remote protocol. */
#include "defs.h"
#include "gdb_string.h"
#include "inferior.h"
#include "bfd.h"
#include "symfile.h"
+#include "exceptions.h"
#include "target.h"
/*#include "terminal.h" */
#include "gdbcmd.h"
#include "regcache.h"
#include "value.h"
#include "gdb_assert.h"
+#include "observer.h"
+#include "solib.h"
+#include "cli/cli-decode.h"
+#include "cli/cli-setshow.h"
#include <ctype.h>
#include <sys/time.h>
#include "remote-fileio.h"
-/* Prototypes for local functions */
+#include "memory-map.h"
+
+/* The size to align memory write packets, when practical. The protocol
+ does not guarantee any alignment, and gdb will generate short
+ writes and unaligned writes, but even as a best-effort attempt this
+ can improve bulk transfers. For instance, if a write is misaligned
+ relative to the target's data bus, the stub may need to make an extra
+ round trip fetching data from the target. This doesn't make a
+ huge difference, but it's easy to do, so we try to be helpful.
+
+ The alignment chosen is arbitrary; usually data bus width is
+ important here, not the possibly larger cache line size. */
+enum { REMOTE_ALIGN_WRITES = 16 };
+
+/* Prototypes for local functions. */
static void cleanup_sigint_signal_handler (void *dummy);
static void initialize_sigint_signal_handler (void);
-static int getpkt_sane (char *buf, long sizeof_buf, int forever);
+static int getpkt_sane (char **buf, long *sizeof_buf, int forever);
static void handle_remote_sigint (int);
static void handle_remote_sigint_twice (int);
static void remote_files_info (struct target_ops *ignore);
-static int remote_xfer_memory (CORE_ADDR memaddr, char *myaddr,
- int len, int should_write,
- struct mem_attrib *attrib,
- struct target_ops *target);
-
static void remote_prepare_to_store (void);
static void remote_fetch_registers (int regno);
enum target_signal siggnal);
static void remote_async_resume (ptid_t ptid, int step,
enum target_signal siggnal);
-static int remote_start_remote (struct ui_out *uiout, void *dummy);
-
static void remote_open (char *name, int from_tty);
static void remote_async_open (char *name, int from_tty);
static void remote_mourn_1 (struct target_ops *);
-static void remote_send (char *buf, long sizeof_buf);
+static void remote_send (char **buf, long *sizeof_buf_p);
static int readchar (int timeout);
static void get_offsets (void);
-static long read_frame (char *buf, long sizeof_buf);
-
-static int remote_insert_breakpoint (CORE_ADDR, char *);
+static void skip_frame (void);
-static int remote_remove_breakpoint (CORE_ADDR, char *);
+static long read_frame (char **buf_p, long *sizeof_buf);
static int hexnumlen (ULONGEST num);
static int fromhex (int a);
-static int hex2bin (const char *hex, char *bin, int count);
+static int hex2bin (const char *hex, gdb_byte *bin, int count);
-static int bin2hex (const char *bin, char *hex, int count);
+static int bin2hex (const gdb_byte *bin, char *hex, int count);
static int putpkt_binary (char *buf, int cnt);
static void update_packet_config (struct packet_config *config);
+static void set_remote_protocol_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c);
+
+static void show_remote_protocol_packet_cmd (struct ui_file *file,
+ int from_tty,
+ struct cmd_list_element *c,
+ const char *value);
+
void _initialize_remote (void);
-/* Description of the remote protocol. Strictly speaking, when the
- target is open()ed, remote.c should create a per-target description
- of the remote protocol using that target's architecture.
- Unfortunately, the target stack doesn't include local state. For
- the moment keep the information in the target's architecture
- object. Sigh.. */
+/* For "set remote" and "show remote". */
+
+static struct cmd_list_element *remote_set_cmdlist;
+static struct cmd_list_element *remote_show_cmdlist;
+
+/* Description of the remote protocol state for the currently
+ connected target. This is per-target state, and independent of the
+ selected architecture. */
+
+struct remote_state
+{
+ /* A buffer to use for incoming packets, and its current size. The
+ buffer is grown dynamically for larger incoming packets.
+ Outgoing packets may also be constructed in this buffer.
+ BUF_SIZE is always at least REMOTE_PACKET_SIZE;
+ REMOTE_PACKET_SIZE should be used to limit the length of outgoing
+ packets. */
+ char *buf;
+ long buf_size;
+
+ /* If we negotiated packet size explicitly (and thus can bypass
+ heuristics for the largest packet size that will not overflow
+ a buffer in the stub), this will be set to that packet size.
+ Otherwise zero, meaning to use the guessed size. */
+ long explicit_packet_size;
+};
+
+/* This data could be associated with a target, but we do not always
+ have access to the current target when we need it, so for now it is
+ static. This will be fine for as long as only one target is in use
+ at a time. */
+static struct remote_state remote_state;
+
+static struct remote_state *
+get_remote_state_raw (void)
+{
+ return &remote_state;
+}
+
+/* Description of the remote protocol for a given architecture. */
struct packet_reg
{
long regnum; /* GDB's internal register number. */
LONGEST pnum; /* Remote protocol register number. */
int in_g_packet; /* Always part of G packet. */
- /* long size in bytes; == register_size (current_gdbarch, regnum); at present. */
+ /* long size in bytes; == register_size (current_gdbarch, regnum);
+ at present. */
/* char *name; == REGISTER_NAME (regnum); at present. */
};
-struct remote_state
+struct remote_arch_state
{
/* Description of the remote protocol registers. */
long sizeof_g_packet;
size of memory-read and memory-write packets. A target will
typically only reserve a buffer large enough to hold the ``g''
packet. The size does not include packet overhead (headers and
- trailers). */
+ trailers). */
long actual_register_packet_size;
/* This is the maximum size (in chars) of a non read/write packet.
- It is also used as a cap on the size of read/write packets. */
+ It is also used as a cap on the size of read/write packets. */
long remote_packet_size;
};
/* Handle for retreving the remote protocol data from gdbarch. */
static struct gdbarch_data *remote_gdbarch_data_handle;
+static struct remote_arch_state *
+get_remote_arch_state (void)
+{
+ return gdbarch_data (current_gdbarch, remote_gdbarch_data_handle);
+}
+
+/* Fetch the global remote target state. */
+
static struct remote_state *
get_remote_state (void)
{
- return gdbarch_data (current_gdbarch, remote_gdbarch_data_handle);
+ /* Make sure that the remote architecture state has been
+ initialized, because doing so might reallocate rs->buf. Any
+ function which calls getpkt also needs to be mindful of changes
+ to rs->buf, but this call limits the number of places which run
+ into trouble. */
+ get_remote_arch_state ();
+
+ return get_remote_state_raw ();
}
static void *
init_remote_state (struct gdbarch *gdbarch)
{
int regnum;
- struct remote_state *rs = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct remote_state);
+ struct remote_state *rs = get_remote_state_raw ();
+ struct remote_arch_state *rsa;
- if (deprecated_register_bytes () != 0)
- rs->sizeof_g_packet = deprecated_register_bytes ();
- else
- rs->sizeof_g_packet = 0;
+ rsa = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct remote_arch_state);
+
+ rsa->sizeof_g_packet = 0;
/* Assume a 1:1 regnum<->pnum table. */
- rs->regs = GDBARCH_OBSTACK_CALLOC (gdbarch, NUM_REGS + NUM_PSEUDO_REGS,
- struct packet_reg);
+ rsa->regs = GDBARCH_OBSTACK_CALLOC (gdbarch, NUM_REGS + NUM_PSEUDO_REGS,
+ struct packet_reg);
for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++)
{
- struct packet_reg *r = &rs->regs[regnum];
+ struct packet_reg *r = &rsa->regs[regnum];
r->pnum = regnum;
r->regnum = regnum;
r->offset = DEPRECATED_REGISTER_BYTE (regnum);
r->in_g_packet = (regnum < NUM_REGS);
/* ...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);
+ /* Compute packet size by accumulating the size of all registers. */
+ if (regnum < NUM_REGS)
+ rsa->sizeof_g_packet += register_size (current_gdbarch, regnum);
}
/* Default maximum number of characters in a packet body. Many
as the maximum packet-size to ensure that the packet and an extra
NUL character can always fit in the buffer. This stops GDB
trashing stubs that try to squeeze an extra NUL into what is
- already a full buffer (As of 1999-12-04 that was most stubs. */
- rs->remote_packet_size = 400 - 1;
+ already a full buffer (As of 1999-12-04 that was most stubs). */
+ rsa->remote_packet_size = 400 - 1;
- /* Should rs->sizeof_g_packet needs more space than the
+ /* This one is filled in when a ``g'' packet is received. */
+ rsa->actual_register_packet_size = 0;
+
+ /* Should rsa->sizeof_g_packet needs more space than the
default, adjust the size accordingly. Remember that each byte is
encoded as two characters. 32 is the overhead for the packet
header / footer. NOTE: cagney/1999-10-26: I suspect that 8
(``$NN:G...#NN'') is a better guess, the below has been padded a
- little. */
- if (rs->sizeof_g_packet > ((rs->remote_packet_size - 32) / 2))
- rs->remote_packet_size = (rs->sizeof_g_packet * 2 + 32);
+ little. */
+ if (rsa->sizeof_g_packet > ((rsa->remote_packet_size - 32) / 2))
+ rsa->remote_packet_size = (rsa->sizeof_g_packet * 2 + 32);
+
+ /* Make sure that the packet buffer is plenty big enough for
+ this architecture. */
+ if (rs->buf_size < rsa->remote_packet_size)
+ {
+ rs->buf_size = 2 * rsa->remote_packet_size;
+ rs->buf = xrealloc (rs->buf, rs->buf_size);
+ }
+
+ return rsa;
+}
+
+/* Return the current allowed size of a remote packet. This is
+ inferred from the current architecture, and should be used to
+ limit the length of outgoing packets. */
+static long
+get_remote_packet_size (void)
+{
+ struct remote_state *rs = get_remote_state ();
+ struct remote_arch_state *rsa = get_remote_arch_state ();
- /* This one is filled in when a ``g'' packet is received. */
- rs->actual_register_packet_size = 0;
+ if (rs->explicit_packet_size)
+ return rs->explicit_packet_size;
- return rs;
+ return rsa->remote_packet_size;
}
static struct packet_reg *
-packet_reg_from_regnum (struct remote_state *rs, long regnum)
+packet_reg_from_regnum (struct remote_arch_state *rsa, long regnum)
{
if (regnum < 0 && regnum >= NUM_REGS + NUM_PSEUDO_REGS)
return NULL;
else
{
- struct packet_reg *r = &rs->regs[regnum];
+ struct packet_reg *r = &rsa->regs[regnum];
gdb_assert (r->regnum == regnum);
return r;
}
}
static struct packet_reg *
-packet_reg_from_pnum (struct remote_state *rs, LONGEST pnum)
+packet_reg_from_pnum (struct remote_arch_state *rsa, LONGEST pnum)
{
int i;
for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
{
- struct packet_reg *r = &rs->regs[i];
+ struct packet_reg *r = &rsa->regs[i];
if (r->pnum == pnum)
return r;
}
to stop for a watchpoint. */
static CORE_ADDR remote_watch_data_address;
-/* This is non-zero if taregt stopped for a watchpoint. */
+/* This is non-zero if target stopped for a watchpoint. */
static int remote_stopped_by_watchpoint_p;
-
static struct target_ops remote_ops;
static struct target_ops extended_remote_ops;
/* Temporary target ops. Just like the remote_ops and
- extended_remote_ops, but with asynchronous support. */
+ extended_remote_ops, but with asynchronous support. */
static struct target_ops remote_async_ops;
static struct target_ops extended_async_remote_ops;
during the initial connect always time-out. Once getpkt has been
modified to return a timeout indication and, in turn
remote_wait()/wait_for_inferior() have gained a timeout parameter
- this can go away. */
+ this can go away. */
static int wait_forever_enabled_p = 1;
bits). Consequently, for 64 bit targets, the upper 32 bits of an
address was never sent. Since fixing this bug may cause a break in
some remote targets this variable is principly provided to
- facilitate backward compatibility. */
+ facilitate backward compatibility. */
static int remote_address_size;
\f
/* User configurable variables for the number of characters in a
- memory read/write packet. MIN ((rs->remote_packet_size),
- rs->sizeof_g_packet) is the default. Some targets need smaller
- values (fifo overruns, et.al.) and some users need larger values
+ memory read/write packet. MIN (rsa->remote_packet_size,
+ rsa->sizeof_g_packet) is the default. Some targets need smaller
+ values (fifo overruns, et.al.) and some users need larger values
(speed up transfers). The variables ``preferred_*'' (the user
request), ``current_*'' (what was actually set) and ``forced_*''
- (Positive - a soft limit, negative - a hard limit). */
+ (Positive - a soft limit, negative - a hard limit). */
struct memory_packet_config
{
get_memory_packet_size (struct memory_packet_config *config)
{
struct remote_state *rs = get_remote_state ();
+ struct remote_arch_state *rsa = get_remote_arch_state ();
+
/* NOTE: The somewhat arbitrary 16k comes from the knowledge (folk
law?) that some hosts don't cope very well with large alloca()
calls. Eventually the alloca() code will be replaced by calls to
xmalloc() and make_cleanups() allowing this restriction to either
- be lifted or removed. */
+ be lifted or removed. */
#ifndef MAX_REMOTE_PACKET_SIZE
#define MAX_REMOTE_PACKET_SIZE 16384
#endif
- /* NOTE: 16 is just chosen at random. */
+ /* NOTE: 20 ensures we can write at least one byte. */
#ifndef MIN_REMOTE_PACKET_SIZE
-#define MIN_REMOTE_PACKET_SIZE 16
+#define MIN_REMOTE_PACKET_SIZE 20
#endif
long what_they_get;
if (config->fixed_p)
}
else
{
- what_they_get = (rs->remote_packet_size);
- /* Limit the packet to the size specified by the user. */
+ what_they_get = get_remote_packet_size ();
+ /* Limit the packet to the size specified by the user. */
if (config->size > 0
&& what_they_get > config->size)
what_they_get = config->size;
- /* Limit it to the size of the targets ``g'' response. */
- if ((rs->actual_register_packet_size) > 0
- && what_they_get > (rs->actual_register_packet_size))
- what_they_get = (rs->actual_register_packet_size);
+
+ /* Limit it to the size of the targets ``g'' response unless we have
+ permission from the stub to use a larger packet size. */
+ if (rs->explicit_packet_size == 0
+ && rsa->actual_register_packet_size > 0
+ && what_they_get > rsa->actual_register_packet_size)
+ what_they_get = rsa->actual_register_packet_size;
}
if (what_they_get > MAX_REMOTE_PACKET_SIZE)
what_they_get = MAX_REMOTE_PACKET_SIZE;
if (what_they_get < MIN_REMOTE_PACKET_SIZE)
what_they_get = MIN_REMOTE_PACKET_SIZE;
+
+ /* Make sure there is room in the global buffer for this packet
+ (including its trailing NUL byte). */
+ if (rs->buf_size < what_they_get + 1)
+ {
+ rs->buf_size = 2 * what_they_get;
+ rs->buf = xrealloc (rs->buf, 2 * what_they_get);
+ }
+
return what_they_get;
}
/* Update the size of a read/write packet. If they user wants
- something really big then do a sanity check. */
+ something really big then do a sanity check. */
static void
set_memory_packet_size (char *args, struct memory_packet_config *config)
int fixed_p = config->fixed_p;
long size = config->size;
if (args == NULL)
- error ("Argument required (integer, `fixed' or `limited').");
+ error (_("Argument required (integer, `fixed' or `limited')."));
else if (strcmp (args, "hard") == 0
|| strcmp (args, "fixed") == 0)
fixed_p = 1;
char *end;
size = strtoul (args, &end, 0);
if (args == end)
- error ("Invalid %s (bad syntax).", config->name);
+ error (_("Invalid %s (bad syntax)."), config->name);
#if 0
/* Instead of explicitly capping the size of a packet to
MAX_REMOTE_PACKET_SIZE or dissallowing it, the user is
instead allowed to set the size to something arbitrarily
- large. */
+ large. */
if (size > MAX_REMOTE_PACKET_SIZE)
- error ("Invalid %s (too large).", config->name);
+ error (_("Invalid %s (too large)."), config->name);
#endif
}
- /* Extra checks? */
+ /* Extra checks? */
if (fixed_p && !config->fixed_p)
{
- if (! query ("The target may not be able to correctly handle a %s\n"
- "of %ld bytes. Change the packet size? ",
+ if (! query (_("The target may not be able to correctly handle a %s\n"
+ "of %ld bytes. Change the packet size? "),
config->name, size))
- error ("Packet size not changed.");
+ error (_("Packet size not changed."));
}
- /* Update the config. */
+ /* Update the config. */
config->fixed_p = fixed_p;
config->size = size;
}
static void
show_memory_packet_size (struct memory_packet_config *config)
{
- printf_filtered ("The %s is %ld. ", config->name, config->size);
+ printf_filtered (_("The %s is %ld. "), config->name, config->size);
if (config->fixed_p)
- printf_filtered ("Packets are fixed at %ld bytes.\n",
+ printf_filtered (_("Packets are fixed at %ld bytes.\n"),
get_memory_packet_size (config));
else
- printf_filtered ("Packets are limited to %ld bytes.\n",
+ printf_filtered (_("Packets are limited to %ld bytes.\n"),
get_memory_packet_size (config));
}
static long
get_memory_read_packet_size (void)
{
- struct remote_state *rs = get_remote_state ();
long size = get_memory_packet_size (&memory_read_packet_config);
/* FIXME: cagney/1999-11-07: Functions like getpkt() need to get an
extra buffer size argument before the memory read size can be
- increased beyond (rs->remote_packet_size). */
- if (size > (rs->remote_packet_size))
- size = (rs->remote_packet_size);
+ increased beyond this. */
+ if (size > get_remote_packet_size ())
+ size = get_remote_packet_size ();
return size;
}
\f
/* Generic configuration support for packets the stub optionally
supports. Allows the user to specify the use of the packet as well
- as allowing GDB to auto-detect support in the remote stub. */
+ as allowing GDB to auto-detect support in the remote stub. */
enum packet_support
{
struct packet_config
{
- char *name;
- char *title;
+ const char *name;
+ const char *title;
enum auto_boolean detect;
enum packet_support support;
};
/* Analyze a packet's return value and update the packet config
- accordingly. */
+ accordingly. */
enum packet_result
{
switch (config->detect)
{
case AUTO_BOOLEAN_AUTO:
- printf_filtered ("Support for remote protocol `%s' (%s) packet is auto-detected, currently %s.\n",
- config->name, config->title, support);
+ printf_filtered (_("Support for the `%s' packet is auto-detected, currently %s.\n"),
+ config->name, support);
break;
case AUTO_BOOLEAN_TRUE:
case AUTO_BOOLEAN_FALSE:
- printf_filtered ("Support for remote protocol `%s' (%s) packet is currently %s.\n",
- config->name, config->title, support);
+ printf_filtered (_("Support for the `%s' packet is currently %s.\n"),
+ config->name, support);
break;
}
}
static void
-add_packet_config_cmd (struct packet_config *config,
- char *name,
- char *title,
- 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)
-{
- struct cmd_list_element *set_cmd;
- struct cmd_list_element *show_cmd;
+add_packet_config_cmd (struct packet_config *config, const char *name,
+ const char *title, int legacy)
+{
char *set_doc;
char *show_doc;
- char *help_doc;
- char *print;
char *cmd_name;
+
config->name = name;
config->title = title;
config->detect = AUTO_BOOLEAN_AUTO;
name, title);
show_doc = xstrprintf ("Show current use of remote protocol `%s' (%s) packet",
name, title);
- print = xstrprintf ("Current use of remote protocol `%s' (%s) is %%s",
- name, title);
/* set/show TITLE-packet {auto,on,off} */
cmd_name = xstrprintf ("%s-packet", title);
add_setshow_auto_boolean_cmd (cmd_name, class_obscure,
- &config->detect, set_doc, show_doc,
- "", print,
- set_func, show_func,
- set_remote_list, show_remote_list);
- /* set/show remote NAME-packet {auto,on,off} -- legacy */
+ &config->detect, set_doc, show_doc, NULL, /* help_doc */
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist);
+ /* set/show remote NAME-packet {auto,on,off} -- legacy. */
if (legacy)
{
char *legacy_name;
legacy_name = xstrprintf ("%s-packet", name);
add_alias_cmd (legacy_name, cmd_name, class_obscure, 0,
- set_remote_list);
+ &remote_set_cmdlist);
add_alias_cmd (legacy_name, cmd_name, class_obscure, 0,
- show_remote_list);
+ &remote_show_cmdlist);
}
}
static enum packet_result
-packet_ok (const char *buf, struct packet_config *config)
+packet_check_result (const char *buf)
{
if (buf[0] != '\0')
{
/* The stub recognized the packet request. Check that the
- operation succeeded. */
+ operation succeeded. */
+ if (buf[0] == 'E'
+ && isxdigit (buf[1]) && isxdigit (buf[2])
+ && buf[3] == '\0')
+ /* "Enn" - definitly an error. */
+ return PACKET_ERROR;
+
+ /* Always treat "E." as an error. This will be used for
+ more verbose error messages, such as E.memtypes. */
+ if (buf[0] == 'E' && buf[1] == '.')
+ return PACKET_ERROR;
+
+ /* The packet may or may not be OK. Just assume it is. */
+ return PACKET_OK;
+ }
+ else
+ /* The stub does not support the packet. */
+ return PACKET_UNKNOWN;
+}
+
+static enum packet_result
+packet_ok (const char *buf, struct packet_config *config)
+{
+ enum packet_result result;
+
+ result = packet_check_result (buf);
+ switch (result)
+ {
+ case PACKET_OK:
+ case PACKET_ERROR:
+ /* The stub recognized the packet request. */
switch (config->support)
{
case PACKET_SUPPORT_UNKNOWN:
break;
case PACKET_DISABLE:
internal_error (__FILE__, __LINE__,
- "packet_ok: attempt to use a disabled packet");
+ _("packet_ok: attempt to use a disabled packet"));
break;
case PACKET_ENABLE:
break;
}
- if (buf[0] == 'O' && buf[1] == 'K' && buf[2] == '\0')
- /* "OK" - definitly OK. */
- return PACKET_OK;
- if (buf[0] == 'E'
- && isxdigit (buf[1]) && isxdigit (buf[2])
- && buf[3] == '\0')
- /* "Enn" - definitly an error. */
- return PACKET_ERROR;
- /* The packet may or may not be OK. Just assume it is */
- return PACKET_OK;
- }
- else
- {
- /* The stub does not support the packet. */
+ break;
+ case PACKET_UNKNOWN:
+ /* The stub does not support the packet. */
switch (config->support)
{
case PACKET_ENABLE:
if (config->detect == AUTO_BOOLEAN_AUTO)
/* If the stub previously indicated that the packet was
- supported then there is a protocol error.. */
- error ("Protocol error: %s (%s) conflicting enabled responses.",
+ supported then there is a protocol error.. */
+ error (_("Protocol error: %s (%s) conflicting enabled responses."),
config->name, config->title);
else
- /* The user set it wrong. */
- error ("Enabled packet %s (%s) not recognized by stub",
+ /* The user set it wrong. */
+ error (_("Enabled packet %s (%s) not recognized by stub"),
config->name, config->title);
break;
case PACKET_SUPPORT_UNKNOWN:
case PACKET_DISABLE:
break;
}
- return PACKET_UNKNOWN;
+ break;
}
-}
-
-/* Should we try the 'vCont' (descriptive resume) request? */
-static struct packet_config remote_protocol_vcont;
-static void
-set_remote_protocol_vcont_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_vcont);
+ return result;
}
-static void
-show_remote_protocol_vcont_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- show_packet_config_cmd (&remote_protocol_vcont);
-}
+enum {
+ PACKET_vCont = 0,
+ PACKET_X,
+ PACKET_qSymbol,
+ PACKET_P,
+ PACKET_p,
+ PACKET_Z0,
+ PACKET_Z1,
+ PACKET_Z2,
+ PACKET_Z3,
+ PACKET_Z4,
+ PACKET_qXfer_auxv,
+ PACKET_qXfer_memory_map,
+ PACKET_qGetTLSAddr,
+ PACKET_qSupported,
+ PACKET_QPassSignals,
+ PACKET_MAX
+};
-/* Should we try the 'qSymbol' (target symbol lookup service) request? */
-static struct packet_config remote_protocol_qSymbol;
+static struct packet_config remote_protocol_packets[PACKET_MAX];
static void
-set_remote_protocol_qSymbol_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
+set_remote_protocol_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
{
- update_packet_config (&remote_protocol_qSymbol);
-}
+ struct packet_config *packet;
-static void
-show_remote_protocol_qSymbol_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- show_packet_config_cmd (&remote_protocol_qSymbol);
+ for (packet = remote_protocol_packets;
+ packet < &remote_protocol_packets[PACKET_MAX];
+ packet++)
+ {
+ if (&packet->detect == c->var)
+ {
+ update_packet_config (packet);
+ return;
+ }
+ }
+ internal_error (__FILE__, __LINE__, "Could not find config for %s",
+ c->name);
}
-/* Should we try the 'P' (set register) request? */
-
-static struct packet_config remote_protocol_P;
-
static void
-set_remote_protocol_P_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
+show_remote_protocol_packet_cmd (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c,
+ const char *value)
{
- update_packet_config (&remote_protocol_P);
-}
+ struct packet_config *packet;
-static void
-show_remote_protocol_P_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- show_packet_config_cmd (&remote_protocol_P);
+ for (packet = remote_protocol_packets;
+ packet < &remote_protocol_packets[PACKET_MAX];
+ packet++)
+ {
+ if (&packet->detect == c->var)
+ {
+ show_packet_config_cmd (packet);
+ return;
+ }
+ }
+ internal_error (__FILE__, __LINE__, "Could not find config for %s",
+ c->name);
}
/* Should we try one of the 'Z' requests? */
NR_Z_PACKET_TYPES
};
-static struct packet_config remote_protocol_Z[NR_Z_PACKET_TYPES];
-
-/* FIXME: Instead of having all these boiler plate functions, the
- command callback should include a context argument. */
-
-static void
-set_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP]);
-}
-
-static void
-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
-set_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_Z[Z_PACKET_HARDWARE_BP]);
-}
-
-static void
-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
-set_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_Z[Z_PACKET_WRITE_WP]);
-}
-
-static void
-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
-set_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_Z[Z_PACKET_READ_WP]);
-}
-
-static void
-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
-set_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_Z[Z_PACKET_ACCESS_WP]);
-}
-
-static void
-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]);
-}
-
/* For compatibility with older distributions. Provide a ``set remote
- Z-packet ...'' command that updates all the Z packet types. */
+ Z-packet ...'' command that updates all the Z packet types. */
static enum auto_boolean remote_Z_packet_detect;
int i;
for (i = 0; i < NR_Z_PACKET_TYPES; i++)
{
- remote_protocol_Z[i].detect = remote_Z_packet_detect;
- update_packet_config (&remote_protocol_Z[i]);
+ remote_protocol_packets[PACKET_Z0 + i].detect = remote_Z_packet_detect;
+ update_packet_config (&remote_protocol_packets[PACKET_Z0 + i]);
}
}
static void
-show_remote_protocol_Z_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
+show_remote_protocol_Z_packet_cmd (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c,
+ const char *value)
{
int i;
for (i = 0; i < NR_Z_PACKET_TYPES; i++)
{
- show_packet_config_cmd (&remote_protocol_Z[i]);
+ show_packet_config_cmd (&remote_protocol_packets[PACKET_Z0 + i]);
}
}
-/* Should we try the 'X' (remote binary download) packet?
-
- This variable (available to the user via "set remote X-packet")
- dictates whether downloads are sent in binary (via the 'X' packet).
- We assume that the stub can, and attempt to do it. This will be
- cleared if the stub does not understand it. This switch is still
- needed, though in cases when the packet is supported in the stub,
- but the connection does not allow it (i.e., 7-bit serial connection
- only). */
-
-static struct packet_config remote_protocol_binary_download;
-
/* Should we try the 'ThreadInfo' query packet?
This variable (NOT available to the user: auto-detect only!)
static int use_threadinfo_query;
static int use_threadextra_query;
-static void
-set_remote_protocol_binary_download_cmd (char *args,
- int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_binary_download);
-}
-
-static void
-show_remote_protocol_binary_download_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- show_packet_config_cmd (&remote_protocol_binary_download);
-}
-
-/* Should we try the 'qPart:auxv' (target auxiliary vector read) request? */
-static struct packet_config remote_protocol_qPart_auxv;
-
-static void
-set_remote_protocol_qPart_auxv_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_qPart_auxv);
-}
-
-static void
-show_remote_protocol_qPart_auxv_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- show_packet_config_cmd (&remote_protocol_qPart_auxv);
-}
-
-static struct packet_config remote_protocol_p;
-
-static void
-set_remote_protocol_p_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_p);
-}
-
-static void
-show_remote_protocol_p_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- show_packet_config_cmd (&remote_protocol_p);
-}
-
-
-
-/* Tokens for use by the asynchronous signal handlers for SIGINT */
+/* Tokens for use by the asynchronous signal handlers for SIGINT. */
static void *sigint_remote_twice_token;
static void *sigint_remote_token;
}
}
+static char *last_pass_packet;
+
+/* If 'QPassSignals' is supported, tell the remote stub what signals
+ it can simply pass through to the inferior without reporting. */
+
+static void
+remote_pass_signals (void)
+{
+ if (remote_protocol_packets[PACKET_QPassSignals].support != PACKET_DISABLE)
+ {
+ char *pass_packet, *p;
+ int numsigs = (int) TARGET_SIGNAL_LAST;
+ int count = 0, i;
+
+ gdb_assert (numsigs < 256);
+ for (i = 0; i < numsigs; i++)
+ {
+ if (signal_stop_state (i) == 0
+ && signal_print_state (i) == 0
+ && signal_pass_state (i) == 1)
+ count++;
+ }
+ pass_packet = xmalloc (count * 3 + strlen ("QPassSignals:") + 1);
+ strcpy (pass_packet, "QPassSignals:");
+ p = pass_packet + strlen (pass_packet);
+ for (i = 0; i < numsigs; i++)
+ {
+ if (signal_stop_state (i) == 0
+ && signal_print_state (i) == 0
+ && signal_pass_state (i) == 1)
+ {
+ if (i >= 16)
+ *p++ = tohex (i >> 4);
+ *p++ = tohex (i & 15);
+ if (count)
+ *p++ = ';';
+ else
+ break;
+ count--;
+ }
+ }
+ *p = 0;
+ if (!last_pass_packet || strcmp (last_pass_packet, pass_packet))
+ {
+ struct remote_state *rs = get_remote_state ();
+ char *buf = rs->buf;
+
+ putpkt (pass_packet);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ packet_ok (buf, &remote_protocol_packets[PACKET_QPassSignals]);
+ if (last_pass_packet)
+ xfree (last_pass_packet);
+ last_pass_packet = pass_packet;
+ }
+ else
+ xfree (pass_packet);
+ }
+}
+
#define MAGIC_NULL_PID 42000
static void
set_thread (int th, int gen)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ char *buf = rs->buf;
int state = gen ? general_thread : continue_thread;
if (state == th)
buf[3] = '\0';
}
else if (th < 0)
- sprintf (&buf[2], "-%x", -th);
+ xsnprintf (&buf[2], get_remote_packet_size () - 2, "-%x", -th);
else
- sprintf (&buf[2], "%x", th);
+ xsnprintf (&buf[2], get_remote_packet_size () - 2, "%x", th);
putpkt (buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (gen)
general_thread = th;
else
static int
remote_thread_alive (ptid_t ptid)
{
+ struct remote_state *rs = get_remote_state ();
int tid = PIDGET (ptid);
- char buf[16];
if (tid < 0)
- sprintf (buf, "T-%08x", -tid);
+ xsnprintf (rs->buf, get_remote_packet_size (), "T-%08x", -tid);
else
- sprintf (buf, "T%08x", tid);
- putpkt (buf);
- getpkt (buf, sizeof (buf), 0);
- return (buf[0] == 'O' && buf[1] == 'K');
+ xsnprintf (rs->buf, get_remote_packet_size (), "T%08x", tid);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ return (rs->buf[0] == 'O' && rs->buf[1] == 'K');
}
/* About these extended threadlist and threadinfo packets. They are
/* a 64 bit opaque identifier */
typedef unsigned char threadref[OPAQUETHREADBYTES];
-/* WARNING: This threadref data structure comes from the remote O.S., libstub
- protocol encoding, and remote.c. it is not particularly changable */
+/* WARNING: This threadref data structure comes from the remote O.S.,
+ libstub protocol encoding, and remote.c. it is not particularly
+ changable. */
/* Right now, the internal structure is int. We want it to be bigger.
Plan to fix this.
*/
-typedef int gdb_threadref; /* internal GDB thread reference */
+typedef int gdb_threadref; /* Internal GDB thread reference. */
/* gdb_ext_thread_info is an internal GDB data structure which is
- equivalint to the reply of the remote threadinfo packet */
+ equivalent to the reply of the remote threadinfo packet. */
struct gdb_ext_thread_info
{
- threadref threadid; /* External form of thread reference */
- int active; /* Has state interesting to GDB? , regs, stack */
- char display[256]; /* Brief state display, name, blocked/syspended */
- char shortname[32]; /* To be used to name threads */
- char more_display[256]; /* Long info, statistics, queue depth, whatever */
+ threadref threadid; /* External form of thread reference. */
+ int active; /* Has state interesting to GDB?
+ regs, stack. */
+ char display[256]; /* Brief state display, name,
+ blocked/suspended. */
+ char shortname[32]; /* To be used to name threads. */
+ char more_display[256]; /* Long info, statistics, queue depth,
+ whatever. */
};
/* The volume of remote transfers can be limited by submitting
#define TAG_THREADNAME 8
#define TAG_MOREDISPLAY 16
-#define BUF_THREAD_ID_SIZE (OPAQUETHREADBYTES*2)
+#define BUF_THREAD_ID_SIZE (OPAQUETHREADBYTES * 2)
char *unpack_varlen_hex (char *buff, ULONGEST *result);
static char *pack_nibble (char *buf, int nibble);
-static char *pack_hex_byte (char *pkt, int /*unsigned char */ byte);
+static char *pack_hex_byte (char *pkt, int /* unsigned char */ byte);
static char *unpack_byte (char *buf, int *value);
static char *unpack_string (char *src, char *dest, int length);
-static char *pack_threadid (char *pkt, threadref * id);
+static char *pack_threadid (char *pkt, threadref *id);
-static char *unpack_threadid (char *inbuf, threadref * id);
+static char *unpack_threadid (char *inbuf, threadref *id);
-void int_to_threadref (threadref * id, int value);
+void int_to_threadref (threadref *id, int value);
-static int threadref_to_int (threadref * ref);
+static int threadref_to_int (threadref *ref);
-static void copy_threadref (threadref * dest, threadref * src);
+static void copy_threadref (threadref *dest, threadref *src);
-static int threadmatch (threadref * dest, threadref * src);
+static int threadmatch (threadref *dest, threadref *src);
-static char *pack_threadinfo_request (char *pkt, int mode, threadref * id);
+static char *pack_threadinfo_request (char *pkt, int mode,
+ threadref *id);
static int remote_unpack_thread_info_response (char *pkt,
- threadref * expectedref,
+ threadref *expectedref,
struct gdb_ext_thread_info
*info);
-static int remote_get_threadinfo (threadref * threadid, int fieldset, /*TAG mask */
+static int remote_get_threadinfo (threadref *threadid,
+ int fieldset, /*TAG mask */
struct gdb_ext_thread_info *info);
static char *pack_threadlist_request (char *pkt, int startflag,
int threadcount,
- threadref * nextthread);
+ threadref *nextthread);
static int parse_threadlist_response (char *pkt,
int result_limit,
- threadref * original_echo,
- threadref * resultlist, int *doneflag);
+ threadref *original_echo,
+ threadref *resultlist,
+ int *doneflag);
static int remote_get_threadlist (int startflag,
- threadref * nextthread,
+ threadref *nextthread,
int result_limit,
int *done,
- int *result_count, threadref * threadlist);
+ int *result_count,
+ threadref *threadlist);
-typedef int (*rmt_thread_action) (threadref * ref, void *context);
+typedef int (*rmt_thread_action) (threadref *ref, void *context);
static int remote_threadlist_iterator (rmt_thread_action stepfunction,
void *context, int looplimit);
-static int remote_newthread_step (threadref * ref, void *context);
+static int remote_newthread_step (threadref *ref, void *context);
-/* encode 64 bits in 16 chars of hex */
+/* Encode 64 bits in 16 chars of hex. */
static const char hexchars[] = "0123456789abcdef";
ULONGEST *result)
{
int nibble;
- int retval = 0;
+ ULONGEST retval = 0;
while (ishex (*buff, &nibble))
{
return buf + 8;
}
-#if 0 /* currently unused, uncomment when needed */
+#if 0 /* Currently unused, uncomment when needed. */
static char *pack_string (char *pkt, char *string);
static char *
len = strlen (string);
if (len > 200)
- len = 200; /* Bigger than most GDB packets, junk??? */
+ len = 200; /* Bigger than most GDB packets, junk??? */
pkt = pack_hex_byte (pkt, len);
while (len-- > 0)
{
ch = *string++;
if ((ch == '\0') || (ch == '#'))
- ch = '*'; /* Protect encapsulation */
+ ch = '*'; /* Protect encapsulation. */
*pkt++ = ch;
}
return pkt;
int i, value = 0;
unsigned char *scan;
- scan = (char *) ref;
+ scan = *ref;
scan += 4;
i = 4;
while (i-- > 0)
static int
threadmatch (threadref *dest, threadref *src)
{
- /* things are broken right now, so just assume we got a match */
+ /* Things are broken right now, so just assume we got a match. */
#if 0
unsigned char *srcp, *destp;
int i, result;
static char *
pack_threadinfo_request (char *pkt, int mode, threadref *id)
{
- *pkt++ = 'q'; /* Info Query */
- *pkt++ = 'P'; /* process or thread info */
- pkt = pack_int (pkt, mode); /* mode */
+ *pkt++ = 'q'; /* Info Query */
+ *pkt++ = 'P'; /* process or thread info */
+ pkt = pack_int (pkt, mode); /* mode */
pkt = pack_threadid (pkt, id); /* threadid */
- *pkt = '\0'; /* terminate */
+ *pkt = '\0'; /* terminate */
return pkt;
}
-/* These values tag the fields in a thread info response packet */
+/* These values tag the fields in a thread info response packet. */
/* Tagging the fields allows us to request specific fields and to
- add more fields as time goes by */
+ add more fields as time goes by. */
-#define TAG_THREADID 1 /* Echo the thread identifier */
+#define TAG_THREADID 1 /* Echo the thread identifier. */
#define TAG_EXISTS 2 /* Is this process defined enough to
- fetch registers and its stack */
+ fetch registers and its stack? */
#define TAG_DISPLAY 4 /* A short thing maybe to put on a window */
-#define TAG_THREADNAME 8 /* string, maps 1-to-1 with a thread is */
+#define TAG_THREADNAME 8 /* string, maps 1-to-1 with a thread is. */
#define TAG_MOREDISPLAY 16 /* Whatever the kernel wants to say about
- the process */
+ the process. */
static int
remote_unpack_thread_info_response (char *pkt, threadref *expectedref,
{
struct remote_state *rs = get_remote_state ();
int mask, length;
- unsigned int tag;
+ int tag;
threadref ref;
- char *limit = pkt + (rs->remote_packet_size); /* plausable parsing limit */
+ char *limit = pkt + rs->buf_size; /* Plausible parsing limit. */
int retval = 1;
- /* info->threadid = 0; FIXME: implement zero_threadref */
+ /* info->threadid = 0; FIXME: implement zero_threadref. */
info->active = 0;
info->display[0] = '\0';
info->shortname[0] = '\0';
info->more_display[0] = '\0';
- /* Assume the characters indicating the packet type have been stripped */
+ /* Assume the characters indicating the packet type have been
+ stripped. */
pkt = unpack_int (pkt, &mask); /* arg mask */
pkt = unpack_threadid (pkt, &ref);
if (mask == 0)
- warning ("Incomplete response to threadinfo request\n");
+ warning (_("Incomplete response to threadinfo request."));
if (!threadmatch (&ref, expectedref))
- { /* This is an answer to a different request */
- warning ("ERROR RMT Thread info mismatch\n");
+ { /* This is an answer to a different request. */
+ warning (_("ERROR RMT Thread info mismatch."));
return 0;
}
copy_threadref (&info->threadid, &ref);
- /* Loop on tagged fields , try to bail if somthing goes wrong */
+ /* Loop on tagged fields , try to bail if somthing goes wrong. */
- while ((pkt < limit) && mask && *pkt) /* packets are terminated with nulls */
+ /* Packets are terminated with nulls. */
+ while ((pkt < limit) && mask && *pkt)
{
pkt = unpack_int (pkt, &tag); /* tag */
- pkt = unpack_byte (pkt, &length); /* length */
- if (!(tag & mask)) /* tags out of synch with mask */
+ pkt = unpack_byte (pkt, &length); /* length */
+ if (!(tag & mask)) /* Tags out of synch with mask. */
{
- warning ("ERROR RMT: threadinfo tag mismatch\n");
+ warning (_("ERROR RMT: threadinfo tag mismatch."));
retval = 0;
break;
}
{
if (length != 16)
{
- warning ("ERROR RMT: length of threadid is not 16\n");
+ warning (_("ERROR RMT: length of threadid is not 16."));
retval = 0;
break;
}
mask = mask & ~(TAG_EXISTS);
if (length > 8)
{
- warning ("ERROR RMT: 'exists' length too long\n");
+ warning (_("ERROR RMT: 'exists' length too long."));
retval = 0;
break;
}
mask = mask & ~TAG_MOREDISPLAY;
continue;
}
- warning ("ERROR RMT: unknown thread info tag\n");
- break; /* Not a tag we know about */
+ warning (_("ERROR RMT: unknown thread info tag."));
+ break; /* Not a tag we know about. */
}
return retval;
}
{
struct remote_state *rs = get_remote_state ();
int result;
- char *threadinfo_pkt = alloca (rs->remote_packet_size);
- pack_threadinfo_request (threadinfo_pkt, fieldset, threadid);
- putpkt (threadinfo_pkt);
- getpkt (threadinfo_pkt, (rs->remote_packet_size), 0);
- result = remote_unpack_thread_info_response (threadinfo_pkt + 2, threadid,
- info);
+ pack_threadinfo_request (rs->buf, fieldset, threadid);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ result = remote_unpack_thread_info_response (rs->buf + 2,
+ threadid, info);
return result;
}
{
*pkt++ = 'q'; /* info query packet */
*pkt++ = 'L'; /* Process LIST or threadLIST request */
- pkt = pack_nibble (pkt, startflag); /* initflag 1 bytes */
+ pkt = pack_nibble (pkt, startflag); /* initflag 1 bytes */
pkt = pack_hex_byte (pkt, threadcount); /* threadcount 2 bytes */
pkt = pack_threadid (pkt, nextthread); /* 64 bit thread identifier */
*pkt = '\0';
resultcount = 0;
/* Assume the 'q' and 'M chars have been stripped. */
- limit = pkt + ((rs->remote_packet_size) - BUF_THREAD_ID_SIZE); /* done parse past here */
+ limit = pkt + (rs->buf_size - BUF_THREAD_ID_SIZE);
+ /* done parse past here */
pkt = unpack_byte (pkt, &count); /* count field */
pkt = unpack_nibble (pkt, &done);
/* The first threadid is the argument threadid. */
{
struct remote_state *rs = get_remote_state ();
static threadref echo_nextthread;
- char *threadlist_packet = alloca (rs->remote_packet_size);
- char *t_response = alloca (rs->remote_packet_size);
int result = 1;
- /* Trancate result limit to be smaller than the packet size */
- if ((((result_limit + 1) * BUF_THREAD_ID_SIZE) + 10) >= (rs->remote_packet_size))
- result_limit = ((rs->remote_packet_size) / BUF_THREAD_ID_SIZE) - 2;
+ /* Trancate result limit to be smaller than the packet size. */
+ if ((((result_limit + 1) * BUF_THREAD_ID_SIZE) + 10) >= get_remote_packet_size ())
+ result_limit = (get_remote_packet_size () / BUF_THREAD_ID_SIZE) - 2;
- pack_threadlist_request (threadlist_packet,
- startflag, result_limit, nextthread);
- putpkt (threadlist_packet);
- getpkt (t_response, (rs->remote_packet_size), 0);
+ pack_threadlist_request (rs->buf, startflag, result_limit, nextthread);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
*result_count =
- parse_threadlist_response (t_response + 2, result_limit, &echo_nextthread,
+ parse_threadlist_response (rs->buf + 2, result_limit, &echo_nextthread,
threadlist, done);
if (!threadmatch (&echo_nextthread, nextthread))
{
- /* FIXME: This is a good reason to drop the packet */
- /* Possably, there is a duplicate response */
+ /* FIXME: This is a good reason to drop the packet. */
+ /* Possably, there is a duplicate response. */
/* Possabilities :
retransmit immediatly - race conditions
retransmit after timeout - yes
exit
wait for packet, then exit
*/
- warning ("HMM: threadlist did not echo arg thread, dropping it\n");
- return 0; /* I choose simply exiting */
+ warning (_("HMM: threadlist did not echo arg thread, dropping it."));
+ return 0; /* I choose simply exiting. */
}
if (*result_count <= 0)
{
if (*done != 1)
{
- warning ("RMT ERROR : failed to get remote thread list\n");
+ warning (_("RMT ERROR : failed to get remote thread list."));
result = 0;
}
return result; /* break; */
if (*result_count > result_limit)
{
*result_count = 0;
- warning ("RMT ERROR: threadlist response longer than requested\n");
+ warning (_("RMT ERROR: threadlist response longer than requested."));
return 0;
}
return result;
}
-/* This is the interface between remote and threads, remotes upper interface */
+/* This is the interface between remote and threads, remotes upper
+ interface. */
/* remote_find_new_threads retrieves the thread list and for each
thread in the list, looks up the thread in GDB's internal list,
quit_flag is required. */
-/* About this many threadisds fit in a packet. */
+/* About this many threadisds fit in a packet. */
#define MAXTHREADLISTRESULTS 32
if (loopcount++ > looplimit)
{
result = 0;
- warning ("Remote fetch threadlist -infinite loop-\n");
+ warning (_("Remote fetch threadlist -infinite loop-."));
break;
}
if (!remote_get_threadlist (startflag, &nextthread, MAXTHREADLISTRESULTS,
result = 0;
break;
}
- /* clear for later iterations */
+ /* Clear for later iterations. */
startflag = 0;
/* Setup to resume next batch of thread references, set nextthread. */
if (result_count >= 1)
remote_current_thread (ptid_t oldpid)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
putpkt ("qC");
- getpkt (buf, (rs->remote_packet_size), 0);
- if (buf[0] == 'Q' && buf[1] == 'C')
- return pid_to_ptid (strtol (&buf[2], NULL, 16));
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ if (rs->buf[0] == 'Q' && rs->buf[1] == 'C')
+ /* Use strtoul here, so we'll correctly parse values whose highest
+ bit is set. The protocol carries them as a simple series of
+ hex digits; in the absence of a sign, strtol will see such
+ values as positive numbers out of range for signed 'long', and
+ return LONG_MAX to indicate an overflow. */
+ return pid_to_ptid (strtoul (&rs->buf[2], NULL, 16));
else
return oldpid;
}
remote_threads_info (void)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
char *bufp;
int tid;
if (remote_desc == 0) /* paranoia */
- error ("Command can only be used when connected to the remote target.");
+ error (_("Command can only be used when connected to the remote target."));
if (use_threadinfo_query)
{
putpkt ("qfThreadInfo");
- bufp = buf;
- getpkt (bufp, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ bufp = rs->buf;
if (bufp[0] != '\0') /* q packet recognized */
{
while (*bufp++ == 'm') /* reply contains one or more TID */
{
do
{
- tid = strtol (bufp, &bufp, 16);
+ /* Use strtoul here, so we'll correctly parse values
+ whose highest bit is set. The protocol carries
+ them as a simple series of hex digits; in the
+ absence of a sign, strtol will see such values as
+ positive numbers out of range for signed 'long',
+ and return LONG_MAX to indicate an overflow. */
+ tid = strtoul (bufp, &bufp, 16);
if (tid != 0 && !in_thread_list (pid_to_ptid (tid)))
add_thread (pid_to_ptid (tid));
}
while (*bufp++ == ','); /* comma-separated list */
putpkt ("qsThreadInfo");
- bufp = buf;
- getpkt (bufp, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ bufp = rs->buf;
}
return; /* done */
}
}
- /* Else fall back to old method based on jmetzler protocol. */
+ /* Else fall back to old method based on jmetzler protocol. */
use_threadinfo_query = 0;
remote_find_new_threads ();
return;
int set;
threadref id;
struct gdb_ext_thread_info threadinfo;
- static char display_buf[100]; /* arbitrary... */
- char *bufp = alloca (rs->remote_packet_size);
+ static char display_buf[100]; /* arbitrary... */
int n = 0; /* position in display_buf */
if (remote_desc == 0) /* paranoia */
internal_error (__FILE__, __LINE__,
- "remote_threads_extra_info");
+ _("remote_threads_extra_info"));
if (use_threadextra_query)
{
- sprintf (bufp, "qThreadExtraInfo,%x", PIDGET (tp->ptid));
- putpkt (bufp);
- getpkt (bufp, (rs->remote_packet_size), 0);
- if (bufp[0] != 0)
+ xsnprintf (rs->buf, get_remote_packet_size (), "qThreadExtraInfo,%x",
+ PIDGET (tp->ptid));
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ if (rs->buf[0] != 0)
{
- n = min (strlen (bufp) / 2, sizeof (display_buf));
- result = hex2bin (bufp, display_buf, n);
+ n = min (strlen (rs->buf) / 2, sizeof (display_buf));
+ result = hex2bin (rs->buf, (gdb_byte *) display_buf, n);
display_buf [result] = '\0';
return display_buf;
}
if (threadinfo.active)
{
if (*threadinfo.shortname)
- n += sprintf(&display_buf[0], " Name: %s,", threadinfo.shortname);
+ n += xsnprintf (&display_buf[0], sizeof (display_buf) - n,
+ " Name: %s,", threadinfo.shortname);
if (*threadinfo.display)
- n += sprintf(&display_buf[n], " State: %s,", threadinfo.display);
+ n += xsnprintf (&display_buf[n], sizeof (display_buf) - n,
+ " State: %s,", threadinfo.display);
if (*threadinfo.more_display)
- n += sprintf(&display_buf[n], " Priority: %s",
- threadinfo.more_display);
+ n += xsnprintf (&display_buf[n], sizeof (display_buf) - n,
+ " Priority: %s", threadinfo.more_display);
if (n > 0)
{
- /* for purely cosmetic reasons, clear up trailing commas */
+ /* For purely cosmetic reasons, clear up trailing commas. */
if (',' == display_buf[n-1])
display_buf[n-1] = ' ';
return display_buf;
}
return NULL;
}
-
\f
-/* Restart the remote side; this is an extended protocol operation. */
+/* Restart the remote side; this is an extended protocol operation. */
static void
extended_remote_restart (void)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
/* Send the restart command; for reasons I don't understand the
remote side really expects a number after the "R". */
- buf[0] = 'R';
- sprintf (&buf[1], "%x", 0);
- putpkt (buf);
+ xsnprintf (rs->buf, get_remote_packet_size (), "R%x", 0);
+ putpkt (rs->buf);
+
+ remote_fileio_reset ();
/* Now query for status so this looks just like we restarted
gdbserver from scratch. */
putpkt ("?");
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
}
\f
/* Clean up connection to a remote debugger. */
remote_desc = NULL;
}
-/* Query the remote side for the text, data and bss offsets. */
+/* Query the remote side for the text, data and bss offsets. */
static void
get_offsets (void)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ char *buf;
char *ptr;
int lose;
CORE_ADDR text_addr, data_addr, bss_addr;
struct section_offsets *offs;
putpkt ("qOffsets");
-
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ buf = rs->buf;
if (buf[0] == '\000')
return; /* Return silently. Stub doesn't support
- this command. */
+ this command. */
if (buf[0] == 'E')
{
- warning ("Remote failure reply: %s", buf);
+ warning (_("Remote failure reply: %s"), buf);
return;
}
lose = 1;
if (lose)
- error ("Malformed response to offset query, %s", buf);
+ error (_("Malformed response to offset query, %s"), buf);
if (symfile_objfile == NULL)
return;
objfile_relocate (symfile_objfile, offs);
}
-/* Stub for catch_errors. */
+/* Stub for catch_exception. */
-static int
-remote_start_remote_dummy (struct ui_out *uiout, void *dummy)
+static void
+remote_start_remote (struct ui_out *uiout, void *from_tty_p)
{
- start_remote (); /* Initialize gdb process mechanisms */
- /* NOTE: Return something >=0. A -ve value is reserved for
- catch_exceptions. */
- return 1;
-}
+ int from_tty = * (int *) from_tty_p;
-static int
-remote_start_remote (struct ui_out *uiout, void *dummy)
-{
- immediate_quit++; /* Allow user to interrupt it */
+ immediate_quit++; /* Allow user to interrupt it. */
/* Ack any packet which the remote side has already sent. */
serial_write (remote_desc, "+", 1);
inferior_ptid = remote_current_thread (inferior_ptid);
- get_offsets (); /* Get text, data & bss offsets */
+ get_offsets (); /* Get text, data & bss offsets. */
- putpkt ("?"); /* initiate a query from remote machine */
+ putpkt ("?"); /* Initiate a query from remote machine. */
immediate_quit--;
- /* NOTE: See comment above in remote_start_remote_dummy(). This
- function returns something >=0. */
- return remote_start_remote_dummy (uiout, dummy);
+ start_remote (from_tty); /* Initialize gdb process mechanisms. */
}
/* Open a connection to a remote debugger.
remote_open_1 (name, from_tty, &remote_ops, 0, 0);
}
-/* Just like remote_open, but with asynchronous support. */
+/* Just like remote_open, but with asynchronous support. */
static void
remote_async_open (char *name, int from_tty)
{
0 /* async_p */);
}
-/* Just like extended_remote_open, but with asynchronous support. */
+/* Just like extended_remote_open, but with asynchronous support. */
static void
extended_remote_async_open (char *name, int from_tty)
{
init_all_packet_configs (void)
{
int i;
- update_packet_config (&remote_protocol_P);
- update_packet_config (&remote_protocol_p);
- update_packet_config (&remote_protocol_qSymbol);
- update_packet_config (&remote_protocol_vcont);
- for (i = 0; i < NR_Z_PACKET_TYPES; i++)
- update_packet_config (&remote_protocol_Z[i]);
- /* Force remote_write_bytes to check whether target supports binary
- downloading. */
- update_packet_config (&remote_protocol_binary_download);
- update_packet_config (&remote_protocol_qPart_auxv);
+ for (i = 0; i < PACKET_MAX; i++)
+ update_packet_config (&remote_protocol_packets[i]);
}
-/* Symbol look-up. */
+/* Symbol look-up. */
static void
remote_check_symbols (struct objfile *objfile)
struct minimal_symbol *sym;
int end;
- if (remote_protocol_qSymbol.support == PACKET_DISABLE)
+ if (remote_protocol_packets[PACKET_qSymbol].support == PACKET_DISABLE)
return;
- msg = alloca (rs->remote_packet_size);
- reply = alloca (rs->remote_packet_size);
+ /* Allocate a message buffer. We can't reuse the input buffer in RS,
+ because we need both at the same time. */
+ msg = alloca (get_remote_packet_size ());
- /* Invite target to request symbol lookups. */
+ /* Invite target to request symbol lookups. */
putpkt ("qSymbol::");
- getpkt (reply, (rs->remote_packet_size), 0);
- packet_ok (reply, &remote_protocol_qSymbol);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ packet_ok (rs->buf, &remote_protocol_packets[PACKET_qSymbol]);
+ reply = rs->buf;
while (strncmp (reply, "qSymbol:", 8) == 0)
{
tmp = &reply[8];
- end = hex2bin (tmp, msg, strlen (tmp) / 2);
+ end = hex2bin (tmp, (gdb_byte *) msg, strlen (tmp) / 2);
msg[end] = '\0';
sym = lookup_minimal_symbol (msg, NULL, NULL);
if (sym == NULL)
- sprintf (msg, "qSymbol::%s", &reply[8]);
+ xsnprintf (msg, get_remote_packet_size (), "qSymbol::%s", &reply[8]);
else
- sprintf (msg, "qSymbol:%s:%s",
- paddr_nz (SYMBOL_VALUE_ADDRESS (sym)),
- &reply[8]);
+ xsnprintf (msg, get_remote_packet_size (), "qSymbol:%s:%s",
+ paddr_nz (SYMBOL_VALUE_ADDRESS (sym)),
+ &reply[8]);
putpkt (msg);
- getpkt (reply, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ reply = rs->buf;
}
}
to be. */
if (!udp_warning && strncmp (name, "udp:", 4) == 0)
{
- warning ("The remote protocol may be unreliable over UDP.");
- warning ("Some events may be lost, rendering further debugging "
- "impossible.");
+ warning (_("\
+The remote protocol may be unreliable over UDP.\n\
+Some events may be lost, rendering further debugging impossible."));
udp_warning = 1;
}
return serial_open (name);
}
+/* This type describes each known response to the qSupported
+ packet. */
+struct protocol_feature
+{
+ /* The name of this protocol feature. */
+ const char *name;
+
+ /* The default for this protocol feature. */
+ enum packet_support default_support;
+
+ /* The function to call when this feature is reported, or after
+ qSupported processing if the feature is not supported.
+ The first argument points to this structure. The second
+ argument indicates whether the packet requested support be
+ enabled, disabled, or probed (or the default, if this function
+ is being called at the end of processing and this feature was
+ not reported). The third argument may be NULL; if not NULL, it
+ is a NUL-terminated string taken from the packet following
+ this feature's name and an equals sign. */
+ void (*func) (const struct protocol_feature *, enum packet_support,
+ const char *);
+
+ /* The corresponding packet for this feature. Only used if
+ FUNC is remote_supported_packet. */
+ int packet;
+};
+
static void
-remote_open_1 (char *name, int from_tty, struct target_ops *target,
- int extended_p, int async_p)
+remote_supported_packet (const struct protocol_feature *feature,
+ enum packet_support support,
+ const char *argument)
{
- 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.).");
-
- /* See FIXME above */
- if (!async_p)
- wait_forever_enabled_p = 1;
+ if (argument)
+ {
+ warning (_("Remote qSupported response supplied an unexpected value for"
+ " \"%s\"."), feature->name);
+ return;
+ }
- reopen_exec_file ();
- reread_symbols ();
+ if (remote_protocol_packets[feature->packet].support
+ == PACKET_SUPPORT_UNKNOWN)
+ remote_protocol_packets[feature->packet].support = support;
+}
- target_preopen (from_tty);
+static void
+remote_packet_size (const struct protocol_feature *feature,
+ enum packet_support support, const char *value)
+{
+ struct remote_state *rs = get_remote_state ();
- unpush_target (target);
+ int packet_size;
+ char *value_end;
- remote_desc = remote_serial_open (name);
- if (!remote_desc)
- perror_with_name (name);
+ if (support != PACKET_ENABLE)
+ return;
- if (baud_rate != -1)
+ if (value == NULL || *value == '\0')
{
- if (serial_setbaudrate (remote_desc, baud_rate))
- {
- /* The requested speed could not be set. Error out to
- top level after closing remote_desc. Take care to
- set remote_desc to NULL to avoid closing remote_desc
- more than once. */
- serial_close (remote_desc);
- remote_desc = NULL;
- perror_with_name (name);
- }
+ warning (_("Remote target reported \"%s\" without a size."),
+ feature->name);
+ return;
+ }
+
+ errno = 0;
+ packet_size = strtol (value, &value_end, 16);
+ if (errno != 0 || *value_end != '\0' || packet_size < 0)
+ {
+ warning (_("Remote target reported \"%s\" with a bad size: \"%s\"."),
+ feature->name, value);
+ return;
+ }
+
+ if (packet_size > MAX_REMOTE_PACKET_SIZE)
+ {
+ warning (_("limiting remote suggested packet size (%d bytes) to %d"),
+ packet_size, MAX_REMOTE_PACKET_SIZE);
+ packet_size = MAX_REMOTE_PACKET_SIZE;
+ }
+
+ /* Record the new maximum packet size. */
+ rs->explicit_packet_size = packet_size;
+}
+
+static struct protocol_feature remote_protocol_features[] = {
+ { "PacketSize", PACKET_DISABLE, remote_packet_size, -1 },
+ { "qXfer:auxv:read", PACKET_DISABLE, remote_supported_packet,
+ PACKET_qXfer_auxv },
+ { "qXfer:memory-map:read", PACKET_DISABLE, remote_supported_packet,
+ PACKET_qXfer_memory_map },
+ { "QPassSignals", PACKET_DISABLE, remote_supported_packet,
+ PACKET_QPassSignals },
+};
+
+static void
+remote_query_supported (void)
+{
+ struct remote_state *rs = get_remote_state ();
+ char *next;
+ int i;
+ unsigned char seen [ARRAY_SIZE (remote_protocol_features)];
+
+ /* The packet support flags are handled differently for this packet
+ than for most others. We treat an error, a disabled packet, and
+ an empty response identically: any features which must be reported
+ to be used will be automatically disabled. An empty buffer
+ accomplishes this, since that is also the representation for a list
+ containing no features. */
+
+ rs->buf[0] = 0;
+ if (remote_protocol_packets[PACKET_qSupported].support != PACKET_DISABLE)
+ {
+ putpkt ("qSupported");
+ getpkt (&rs->buf, &rs->buf_size, 0);
+
+ /* If an error occured, warn, but do not return - just reset the
+ buffer to empty and go on to disable features. */
+ if (packet_ok (rs->buf, &remote_protocol_packets[PACKET_qSupported])
+ == PACKET_ERROR)
+ {
+ warning (_("Remote failure reply: %s"), rs->buf);
+ rs->buf[0] = 0;
+ }
+ }
+
+ memset (seen, 0, sizeof (seen));
+
+ next = rs->buf;
+ while (*next)
+ {
+ enum packet_support is_supported;
+ char *p, *end, *name_end, *value;
+
+ /* First separate out this item from the rest of the packet. If
+ there's another item after this, we overwrite the separator
+ (terminated strings are much easier to work with). */
+ p = next;
+ end = strchr (p, ';');
+ if (end == NULL)
+ {
+ end = p + strlen (p);
+ next = end;
+ }
+ else
+ {
+ *end = '\0';
+ next = end + 1;
+
+ if (end == p)
+ {
+ warning (_("empty item in \"qSupported\" response"));
+ continue;
+ }
+ }
+
+ name_end = strchr (p, '=');
+ if (name_end)
+ {
+ /* This is a name=value entry. */
+ is_supported = PACKET_ENABLE;
+ value = name_end + 1;
+ *name_end = '\0';
+ }
+ else
+ {
+ value = NULL;
+ switch (end[-1])
+ {
+ case '+':
+ is_supported = PACKET_ENABLE;
+ break;
+
+ case '-':
+ is_supported = PACKET_DISABLE;
+ break;
+
+ case '?':
+ is_supported = PACKET_SUPPORT_UNKNOWN;
+ break;
+
+ default:
+ warning (_("unrecognized item \"%s\" in \"qSupported\" response"), p);
+ continue;
+ }
+ end[-1] = '\0';
+ }
+
+ for (i = 0; i < ARRAY_SIZE (remote_protocol_features); i++)
+ if (strcmp (remote_protocol_features[i].name, p) == 0)
+ {
+ const struct protocol_feature *feature;
+
+ seen[i] = 1;
+ feature = &remote_protocol_features[i];
+ feature->func (feature, is_supported, value);
+ break;
+ }
+ }
+
+ /* If we increased the packet size, make sure to increase the global
+ buffer size also. We delay this until after parsing the entire
+ qSupported packet, because this is the same buffer we were
+ parsing. */
+ if (rs->buf_size < rs->explicit_packet_size)
+ {
+ rs->buf_size = rs->explicit_packet_size;
+ rs->buf = xrealloc (rs->buf, rs->buf_size);
+ }
+
+ /* Handle the defaults for unmentioned features. */
+ for (i = 0; i < ARRAY_SIZE (remote_protocol_features); i++)
+ if (!seen[i])
+ {
+ const struct protocol_feature *feature;
+
+ feature = &remote_protocol_features[i];
+ feature->func (feature, feature->default_support, NULL);
+ }
+}
+
+
+static void
+remote_open_1 (char *name, int from_tty, struct target_ops *target,
+ int extended_p, int async_p)
+{
+ 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.)."));
+
+ /* See FIXME above. */
+ if (!async_p)
+ wait_forever_enabled_p = 1;
+
+ target_preopen (from_tty);
+
+ unpush_target (target);
+
+ /* Make sure we send the passed signals list the next time we resume. */
+ xfree (last_pass_packet);
+ last_pass_packet = NULL;
+
+ remote_fileio_reset ();
+ reopen_exec_file ();
+ reread_symbols ();
+
+ remote_desc = remote_serial_open (name);
+ if (!remote_desc)
+ perror_with_name (name);
+
+ if (baud_rate != -1)
+ {
+ if (serial_setbaudrate (remote_desc, baud_rate))
+ {
+ /* The requested speed could not be set. Error out to
+ top level after closing remote_desc. Take care to
+ set remote_desc to NULL to avoid closing remote_desc
+ more than once. */
+ serial_close (remote_desc);
+ remote_desc = NULL;
+ perror_with_name (name);
+ }
}
serial_raw (remote_desc);
puts_filtered (name);
puts_filtered ("\n");
}
- push_target (target); /* Switch to using remote target now */
+ push_target (target); /* Switch to using remote target now. */
+ /* Reset the target state; these things will be queried either by
+ remote_query_supported or as they are needed. */
init_all_packet_configs ();
+ rs->explicit_packet_size = 0;
general_thread = -2;
continue_thread = -2;
use_threadinfo_query = 1;
use_threadextra_query = 1;
+ /* The first packet we send to the target is the optional "supported
+ packets" request. If the target can answer this, it will tell us
+ which later probes to skip. */
+ remote_query_supported ();
+
/* 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
if (async_p)
{
- /* With this target we start out by owning the terminal. */
+ /* 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
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. */
+ implemented. */
wait_forever_enabled_p = 0;
}
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
- /* First delete any symbols previously loaded from shared libraries. */
+ /* First delete any symbols previously loaded from shared libraries. */
no_shared_libraries (NULL, 0);
-#endif
/* Start the remote connection. If error() or QUIT, discard this
target (we'd otherwise be in an inconsistent state) and then
been fixed - the function set_cmd_context() makes it possible for
all the ``target ....'' commands to share a common callback
function. See cli-dump.c. */
- ex = catch_exceptions (uiout,
- remote_start_remote, NULL,
- "Couldn't establish connection to remote"
- " target\n",
+ {
+ struct gdb_exception ex
+ = catch_exception (uiout, remote_start_remote, &from_tty,
RETURN_MASK_ALL);
- if (ex < 0)
- {
- pop_target ();
- if (async_p)
- wait_forever_enabled_p = 1;
- throw_exception (ex);
- }
+ if (ex.reason < 0)
+ {
+ pop_target ();
+ if (async_p)
+ wait_forever_enabled_p = 1;
+ throw_exception (ex);
+ }
+ }
if (async_p)
wait_forever_enabled_p = 1;
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);
+ getpkt (&rs->buf, &rs->buf_size, 0);
}
-#endif
+
+ if (exec_bfd) /* No use without an exec file. */
+ remote_check_symbols (symfile_objfile);
}
/* This takes a program previously attached to and detaches it. After
remote_detach (char *args, int from_tty)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
if (args)
- error ("Argument given to \"detach\" when remotely debugging.");
+ error (_("Argument given to \"detach\" when remotely debugging."));
/* Tell the remote target to detach. */
- strcpy (buf, "D");
- remote_send (buf, (rs->remote_packet_size));
+ strcpy (rs->buf, "D");
+ remote_send (&rs->buf, &rs->buf_size);
- /* Unregister the file descriptor from the event loop. */
+ /* Unregister the file descriptor from the event loop. */
if (target_is_async_p ())
serial_async (remote_desc, NULL, 0);
/* Same as remote_detach, but don't send the "D" packet; just disconnect. */
static void
-remote_disconnect (char *args, int from_tty)
+remote_disconnect (struct target_ops *target, char *args, int from_tty)
{
- struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
-
if (args)
- error ("Argument given to \"detach\" when remotely debugging.");
+ error (_("Argument given to \"detach\" when remotely debugging."));
- /* Unregister the file descriptor from the event loop. */
+ /* Unregister the file descriptor from the event loop. */
if (target_is_async_p ())
serial_async (remote_desc, NULL, 0);
else if (a >= 'A' && a <= 'F')
return a - 'A' + 10;
else
- error ("Reply contains invalid hex digit %d", a);
+ error (_("Reply contains invalid hex digit %d"), a);
}
static int
-hex2bin (const char *hex, char *bin, int count)
+hex2bin (const char *hex, gdb_byte *bin, int count)
{
int i;
if (hex[0] == 0 || hex[1] == 0)
{
/* Hex string is short, or of uneven length.
- Return the count that has been converted so far. */
+ Return the count that has been converted so far. */
return i;
}
*bin++ = fromhex (hex[0]) * 16 + fromhex (hex[1]);
}
static int
-bin2hex (const char *bin, char *hex, int count)
+bin2hex (const gdb_byte *bin, char *hex, int count)
{
int i;
- /* May use a length, or a nul-terminated string as input. */
+ /* May use a length, or a nul-terminated string as input. */
if (count == 0)
- count = strlen (bin);
+ count = strlen ((char *) bin);
for (i = 0; i < count; i++)
{
the response. */
static void
-remote_vcont_probe (struct remote_state *rs, char *buf)
+remote_vcont_probe (struct remote_state *rs)
{
- strcpy (buf, "vCont?");
- putpkt (buf);
- getpkt (buf, rs->remote_packet_size, 0);
+ char *buf;
+
+ strcpy (rs->buf, "vCont?");
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ buf = rs->buf;
/* Make sure that the features we assume are supported. */
if (strncmp (buf, "vCont", 5) == 0)
buf[0] = 0;
}
- packet_ok (buf, &remote_protocol_vcont);
+ packet_ok (buf, &remote_protocol_packets[PACKET_vCont]);
}
/* Resume the remote inferior by using a "vCont" packet. The thread
char *buf = NULL, *outbuf;
struct cleanup *old_cleanup;
- buf = xmalloc (rs->remote_packet_size);
- old_cleanup = make_cleanup (xfree, buf);
-
- if (remote_protocol_vcont.support == PACKET_SUPPORT_UNKNOWN)
- remote_vcont_probe (rs, buf);
+ if (remote_protocol_packets[PACKET_vCont].support == PACKET_SUPPORT_UNKNOWN)
+ remote_vcont_probe (rs);
- if (remote_protocol_vcont.support == PACKET_DISABLE)
- {
- do_cleanups (old_cleanup);
- return 0;
- }
+ if (remote_protocol_packets[PACKET_vCont].support == PACKET_DISABLE)
+ return 0;
/* If we could generate a wider range of packets, we'd have to worry
about overflowing BUF. Should there be a generic
outbuf = xstrprintf ("vCont;c:%x", pid);
}
- gdb_assert (outbuf && strlen (outbuf) < rs->remote_packet_size);
- make_cleanup (xfree, outbuf);
+ gdb_assert (outbuf && strlen (outbuf) < get_remote_packet_size ());
+ old_cleanup = make_cleanup (xfree, outbuf);
putpkt (outbuf);
remote_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ char *buf;
int pid = PIDGET (ptid);
- char *p;
last_sent_signal = siggnal;
last_sent_step = step;
if (deprecated_target_resume_hook)
(*deprecated_target_resume_hook) ();
+ /* Update the inferior on signals to silently pass, if they've changed. */
+ remote_pass_signals ();
+
/* The vCont packet doesn't need to specify threads via Hc. */
if (remote_vcont_resume (ptid, step, siggnal))
return;
/* All other supported resume packets do use Hc, so call set_thread. */
if (pid == -1)
- set_thread (0, 0); /* run any thread */
+ set_thread (0, 0); /* Run any thread. */
else
- set_thread (pid, 0); /* run this thread */
+ set_thread (pid, 0); /* Run this thread. */
+ buf = rs->buf;
if (siggnal != TARGET_SIGNAL_0)
{
buf[0] = step ? 'S' : 'C';
putpkt (buf);
}
-/* Same as remote_resume, but with async support. */
+/* Same as remote_resume, but with async support. */
static void
remote_async_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
/* We are about to start executing the inferior, let's register it
with the event loop. NOTE: this is the one place where all the
execution commands end up. We could alternatively do this in each
- of the execution commands in infcmd.c.*/
+ of the execution commands in infcmd.c. */
/* FIXME: ezannoni 1999-09-28: We may need to move this out of here
into infcmd.c in order to allow inferior function calls to work
- NOT asynchronously. */
+ NOT asynchronously. */
if (target_can_async_p ())
target_async (inferior_event_handler, 0);
- /* Tell the world that the target is now executing. */
+ /* Tell the world that the target is now executing. */
/* FIXME: cagney/1999-09-23: Is it the targets responsibility to set
this? Instead, should the client of target just assume (for
async targets) that the target is going to start executing? Is
\f
/* Set up the signal handler for SIGINT, while the target is
- executing, ovewriting the 'regular' SIGINT signal handler. */
+ executing, ovewriting the 'regular' SIGINT signal handler. */
static void
initialize_sigint_signal_handler (void)
{
signal (SIGINT, handle_remote_sigint);
}
-/* Signal handler for SIGINT, while the target is executing. */
+/* Signal handler for SIGINT, while the target is executing. */
static void
handle_remote_sigint (int sig)
{
/* Signal handler for SIGINT, installed after SIGINT has already been
sent once. It will take effect the second time that the user sends
- a ^C. */
+ a ^C. */
static void
handle_remote_sigint_twice (int sig)
{
}
/* Perform the real interruption of the target execution, in response
- to a ^C. */
+ to a ^C. */
static void
async_remote_interrupt (gdb_client_data arg)
{
}
/* Perform interrupt, if the first attempt did not succeed. Just give
- up on the target alltogether. */
+ up on the target alltogether. */
void
async_remote_interrupt_twice (gdb_client_data arg)
{
if (remote_debug)
fprintf_unfiltered (gdb_stdlog, "remote_interrupt_twice called\n");
/* Do something only if the target was not killed by the previous
- cntl-C. */
+ cntl-C. */
if (target_executing)
{
interrupt_query ();
}
/* Reinstall the usual SIGINT handlers, after the target has
- stopped. */
+ stopped. */
static void
cleanup_sigint_signal_handler (void *dummy)
{
signal (SIGINT, handle_sigint);
if (sigint_remote_twice_token)
- delete_async_signal_handler ((struct async_signal_handler **) & sigint_remote_twice_token);
+ delete_async_signal_handler ((struct async_signal_handler **)
+ &sigint_remote_twice_token);
if (sigint_remote_token)
- delete_async_signal_handler ((struct async_signal_handler **) & sigint_remote_token);
+ delete_async_signal_handler ((struct async_signal_handler **)
+ &sigint_remote_token);
}
/* Send ^C to target to halt it. Target will respond, and send us a
as a signal handler for SIGINT. The first time a user requests a
stop, we call remote_stop to send a break or ^C. If there is no
response from the target (it didn't stop when the user requested it),
- we ask the user if he'd like to detach from the target. */
+ we ask the user if he'd like to detach from the target. */
static void
remote_interrupt (int signo)
{
- /* If this doesn't work, try more severe steps. */
+ /* If this doesn't work, try more severe steps. */
signal (signo, remote_interrupt_twice);
if (remote_debug)
/* This is the generic stop called via the target vector. When a target
interrupt is requested, either by the command line or the GUI, we
- will eventually end up here. */
+ will eventually end up here. */
static void
remote_stop (void)
{
Give up (and stop debugging it)? "))
{
target_mourn_inferior ();
- throw_exception (RETURN_QUIT);
+ deprecated_throw_reason (RETURN_QUIT);
}
target_terminal_inferior ();
/* Enable/disable target terminal ownership. Most targets can use
terminal groups to control terminal ownership. Remote targets are
different in that explicit transfer of ownership to/from GDB/target
- is required. */
+ is required. */
static void
remote_async_terminal_inferior (void)
sync_execution here. This function should only be called when
GDB is resuming the inferior in the forground. A background
resume (``run&'') should leave GDB in control of the terminal and
- consequently should not call this code. */
+ consequently should not call this code. */
if (!sync_execution)
return;
/* FIXME: cagney/1999-09-27: Closely related to the above. Make
initialize_sigint_signal_handler ();
/* NOTE: At this point we could also register our selves as the
recipient of all input. Any characters typed could then be
- passed on down to the target. */
+ passed on down to the target. */
}
static void
remote_async_terminal_ours (void)
{
- /* See FIXME in remote_async_terminal_inferior. */
+ /* See FIXME in remote_async_terminal_inferior. */
if (!sync_execution)
return;
- /* See FIXME in remote_async_terminal_inferior. */
+ /* See FIXME in remote_async_terminal_inferior. */
if (remote_async_terminal_ours_p)
return;
cleanup_sigint_signal_handler (NULL);
remote_wait (ptid_t ptid, struct target_waitstatus *status)
{
struct remote_state *rs = get_remote_state ();
- unsigned char *buf = alloca (rs->remote_packet_size);
+ struct remote_arch_state *rsa = get_remote_arch_state ();
ULONGEST thread_num = -1;
ULONGEST addr;
while (1)
{
- unsigned char *p;
+ char *buf, *p;
ofunc = signal (SIGINT, remote_interrupt);
- getpkt (buf, (rs->remote_packet_size), 1);
+ getpkt (&rs->buf, &rs->buf_size, 1);
signal (SIGINT, ofunc);
+ buf = rs->buf;
+
/* This is a hook for when we need to do something (perhaps the
collection of trace data) every time the target stops. */
if (deprecated_target_wait_loop_hook)
switch (buf[0])
{
- case 'E': /* Error of some sort */
- warning ("Remote failure reply: %s", buf);
+ case 'E': /* Error of some sort. */
+ warning (_("Remote failure reply: %s"), buf);
continue;
- case 'F': /* File-I/O request */
+ case 'F': /* File-I/O request. */
remote_fileio_request (buf);
continue;
- case 'T': /* Status with PC, SP, FP, ... */
+ case 'T': /* Status with PC, SP, FP, ... */
{
- int i;
- char regs[MAX_REGISTER_SIZE];
+ gdb_byte regs[MAX_REGISTER_SIZE];
- /* Expedited reply, containing Signal, {regno, reg} repeat */
+ /* Expedited reply, containing Signal, {regno, reg} repeat. */
/* format is: 'Tssn...:r...;n...:r...;n...:r...;#cc', where
ss = signal number
n... = register number
while (*p)
{
- unsigned char *p1;
+ char *p1;
char *p_temp;
int fieldsize;
LONGEST 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. */
+ /* 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 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;
+ p1 = p_temp;
}
else
p1 = p;
- if (p1 == p) /* No register number present here */
+ if (p1 == p) /* No register number present here. */
{
- p1 = (unsigned char *) strchr (p, ':');
+ p1 = strchr (p, ':');
if (p1 == NULL)
- warning ("Malformed packet(a) (missing colon): %s\n\
-Packet: '%s'\n",
- p, buf);
+ error (_("Malformed packet(a) (missing colon): %s\n\
+Packet: '%s'\n"),
+ p, buf);
if (strncmp (p, "thread", p1 - p) == 0)
{
p_temp = unpack_varlen_hex (++p1, &thread_num);
record_currthread (thread_num);
- p = (unsigned char *) p_temp;
+ p = p_temp;
}
else if ((strncmp (p, "watch", p1 - p) == 0)
|| (strncmp (p, "rwatch", p1 - p) == 0)
/* Silently skip unknown optional info. */
p_temp = strchr (p1 + 1, ';');
if (p_temp)
- p = (unsigned char *) p_temp;
+ p = p_temp;
}
}
else
{
- struct packet_reg *reg = packet_reg_from_pnum (rs, pnum);
+ struct packet_reg *reg = packet_reg_from_pnum (rsa, pnum);
p = p1;
if (*p++ != ':')
- error ("Malformed packet(b) (missing colon): %s\nPacket: '%s'\n",
+ error (_("Malformed packet(b) (missing colon): %s\n\
+Packet: '%s'\n"),
p, buf);
if (reg == NULL)
- error ("Remote sent bad register number %s: %s\nPacket: '%s'\n",
+ error (_("Remote sent bad register number %s: %s\n\
+Packet: '%s'\n"),
phex_nz (pnum, 0), p, buf);
- fieldsize = hex2bin (p, regs, register_size (current_gdbarch, reg->regnum));
+ fieldsize = hex2bin (p, regs,
+ register_size (current_gdbarch,
+ reg->regnum));
p += 2 * fieldsize;
- if (fieldsize < register_size (current_gdbarch, reg->regnum))
- warning ("Remote reply is too short: %s", buf);
- regcache_raw_supply (current_regcache, reg->regnum, regs);
+ if (fieldsize < register_size (current_gdbarch,
+ reg->regnum))
+ warning (_("Remote reply is too short: %s"), buf);
+ regcache_raw_supply (current_regcache,
+ reg->regnum, regs);
}
if (*p++ != ';')
- error ("Remote register badly formatted: %s\nhere: %s", buf, p);
+ error (_("Remote register badly formatted: %s\nhere: %s"),
+ buf, p);
}
}
/* fall through */
- case 'S': /* Old style status, just signal only */
+ case 'S': /* Old style status, just signal only. */
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = (enum target_signal)
(((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
record_currthread (thread_num);
}
goto got_status;
- case 'W': /* Target exited */
+ case 'W': /* Target exited. */
{
/* The remote process exited. */
status->kind = TARGET_WAITKIND_EXITED;
kill_kludge = 1;
goto got_status;
- case 'O': /* Console output */
+ case 'O': /* Console output. */
remote_console_output (buf + 1);
continue;
case '\0':
}
/* else fallthrough */
default:
- warning ("Invalid remote reply: %s", buf);
+ warning (_("Invalid remote reply: %s"), buf);
continue;
}
}
return inferior_ptid;
}
-/* Async version of remote_wait. */
+/* Async version of remote_wait. */
static ptid_t
remote_async_wait (ptid_t ptid, struct target_waitstatus *status)
{
struct remote_state *rs = get_remote_state ();
- unsigned char *buf = alloca (rs->remote_packet_size);
+ struct remote_arch_state *rsa = get_remote_arch_state ();
ULONGEST thread_num = -1;
ULONGEST addr;
while (1)
{
- unsigned char *p;
+ char *buf, *p;
if (!target_is_async_p ())
ofunc = signal (SIGINT, remote_interrupt);
/* FIXME: cagney/1999-09-27: If we're in async mode we should
_never_ wait for ever -> test on target_is_async_p().
However, before we do that we need to ensure that the caller
- knows how to take the target into/out of async mode. */
- getpkt (buf, (rs->remote_packet_size), wait_forever_enabled_p);
+ knows how to take the target into/out of async mode. */
+ getpkt (&rs->buf, &rs->buf_size, wait_forever_enabled_p);
if (!target_is_async_p ())
signal (SIGINT, ofunc);
+ buf = rs->buf;
+
/* This is a hook for when we need to do something (perhaps the
collection of trace data) every time the target stops. */
if (deprecated_target_wait_loop_hook)
switch (buf[0])
{
- case 'E': /* Error of some sort */
- warning ("Remote failure reply: %s", buf);
+ case 'E': /* Error of some sort. */
+ warning (_("Remote failure reply: %s"), buf);
continue;
- case 'F': /* File-I/O request */
+ case 'F': /* File-I/O request. */
remote_fileio_request (buf);
continue;
- case 'T': /* Status with PC, SP, FP, ... */
+ case 'T': /* Status with PC, SP, FP, ... */
{
- int i;
- char regs[MAX_REGISTER_SIZE];
+ gdb_byte regs[MAX_REGISTER_SIZE];
- /* Expedited reply, containing Signal, {regno, reg} repeat */
+ /* Expedited reply, containing Signal, {regno, reg} repeat. */
/* format is: 'Tssn...:r...;n...:r...;n...:r...;#cc', where
ss = signal number
n... = register number
while (*p)
{
- unsigned char *p1;
+ 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. */
+ /* 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. */
{
/* Read the register number. */
pnum = strtol (p, &p_temp, 16);
- p1 = (unsigned char *) p_temp;
+ p1 = p_temp;
}
else
p1 = p;
- if (p1 == p) /* No register number present here */
+ if (p1 == p) /* No register number present here. */
{
- p1 = (unsigned char *) strchr (p, ':');
+ p1 = strchr (p, ':');
if (p1 == NULL)
- error ("Malformed packet(a) (missing colon): %s\nPacket: '%s'\n",
+ error (_("Malformed packet(a) (missing colon): %s\n\
+Packet: '%s'\n"),
p, buf);
if (strncmp (p, "thread", p1 - p) == 0)
{
p_temp = unpack_varlen_hex (++p1, &thread_num);
record_currthread (thread_num);
- p = (unsigned char *) p_temp;
+ p = p_temp;
}
else if ((strncmp (p, "watch", p1 - p) == 0)
|| (strncmp (p, "rwatch", p1 - p) == 0)
else
{
/* Silently skip unknown optional info. */
- p_temp = (unsigned char *) strchr (p1 + 1, ';');
+ p_temp = strchr (p1 + 1, ';');
if (p_temp)
p = p_temp;
}
else
{
- struct packet_reg *reg = packet_reg_from_pnum (rs, pnum);
+ struct packet_reg *reg = packet_reg_from_pnum (rsa, pnum);
p = p1;
if (*p++ != ':')
- error ("Malformed packet(b) (missing colon): %s\nPacket: '%s'\n",
+ error (_("Malformed packet(b) (missing colon): %s\n\
+Packet: '%s'\n"),
p, buf);
if (reg == NULL)
- error ("Remote sent bad register number %ld: %s\nPacket: '%s'\n",
+ error (_("Remote sent bad register number %ld: %s\n\
+Packet: '%s'\n"),
pnum, p, buf);
- fieldsize = hex2bin (p, regs, register_size (current_gdbarch, reg->regnum));
+ fieldsize = hex2bin (p, regs,
+ register_size (current_gdbarch,
+ reg->regnum));
p += 2 * fieldsize;
- if (fieldsize < register_size (current_gdbarch, reg->regnum))
- warning ("Remote reply is too short: %s", buf);
+ if (fieldsize < register_size (current_gdbarch,
+ reg->regnum))
+ warning (_("Remote reply is too short: %s"), buf);
regcache_raw_supply (current_regcache, reg->regnum, regs);
}
if (*p++ != ';')
- error ("Remote register badly formatted: %s\nhere: %s",
+ error (_("Remote register badly formatted: %s\nhere: %s"),
buf, p);
}
}
/* fall through */
- case 'S': /* Old style status, just signal only */
+ case 'S': /* Old style status, just signal only. */
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = (enum target_signal)
(((fromhex (buf[1])) << 4) + (fromhex (buf[2])));
record_currthread (thread_num);
}
goto got_status;
- case 'W': /* Target exited */
+ case 'W': /* Target exited. */
{
/* The remote process exited. */
status->kind = TARGET_WAITKIND_EXITED;
kill_kludge = 1;
goto got_status;
- case 'O': /* Console output */
+ case 'O': /* Console output. */
remote_console_output (buf + 1);
/* Return immediately to the event loop. The event loop will
- still be waiting on the inferior afterwards. */
+ still be waiting on the inferior afterwards. */
status->kind = TARGET_WAITKIND_IGNORE;
goto got_status;
case '\0':
}
/* else fallthrough */
default:
- warning ("Invalid remote reply: %s", buf);
+ warning (_("Invalid remote reply: %s"), buf);
continue;
}
}
fetch_register_using_p (int regnum)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size), *p;
+ char *buf, *p;
char regp[MAX_REGISTER_SIZE];
int i;
- buf[0] = 'p';
- bin2hex((char *) ®num, &buf[1], sizeof(regnum));
- buf[9] = 0;
- remote_send (buf, rs->remote_packet_size);
- if (buf[0] != 0 && buf[0] != 'E') {
- p = buf;
- i = 0;
- while (p[0] != 0) {
- if (p[1] == 0) {
- error("fetch_register_using_p: early buf termination");
- return 0;
- }
- regp[i++] = fromhex (p[0]) * 16 + fromhex (p[1]);
- p += 2;
+ p = rs->buf;
+ *p++ = 'p';
+ p += hexnumstr (p, regnum);
+ *p++ = '\0';
+ remote_send (&rs->buf, &rs->buf_size);
+
+ buf = rs->buf;
+
+ /* If the stub didn't recognize the packet, or if we got an error,
+ tell our caller. */
+ if (buf[0] == '\0' || buf[0] == 'E')
+ return 0;
+
+ /* If this register is unfetchable, tell the regcache. */
+ if (buf[0] == 'x')
+ {
+ regcache_raw_supply (current_regcache, regnum, NULL);
+ set_register_cached (regnum, -1);
+ return 1;
}
- regcache_raw_supply (current_regcache, regnum, regp);
- return 1;
- }
- return 0;
+ /* Otherwise, parse and supply the value. */
+ p = buf;
+ i = 0;
+ while (p[0] != 0)
+ {
+ if (p[1] == 0)
+ {
+ error (_("fetch_register_using_p: early buf termination"));
+ return 0;
+ }
+
+ regp[i++] = fromhex (p[0]) * 16 + fromhex (p[1]);
+ p += 2;
+ }
+ regcache_raw_supply (current_regcache, regnum, regp);
+ return 1;
}
static void
remote_fetch_registers (int regnum)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ struct remote_arch_state *rsa = get_remote_arch_state ();
+ char *buf;
int i;
char *p;
- char *regs = alloca (rs->sizeof_g_packet);
+ char *regs = alloca (rsa->sizeof_g_packet);
set_thread (PIDGET (inferior_ptid), 1);
if (regnum >= 0)
{
- struct packet_reg *reg = packet_reg_from_regnum (rs, regnum);
+ struct packet_reg *reg = packet_reg_from_regnum (rsa, regnum);
gdb_assert (reg != NULL);
if (!reg->in_g_packet)
internal_error (__FILE__, __LINE__,
- "Attempt to fetch a non G-packet register when this "
- "remote.c does not support the p-packet.");
+ _("Attempt to fetch a non G-packet register when this "
+ "remote.c does not support the p-packet."));
}
- switch (remote_protocol_p.support)
+ switch (remote_protocol_packets[PACKET_p].support)
{
case PACKET_DISABLE:
break;
if (fetch_register_using_p (regnum))
return;
else
- error ("Protocol error: p packet not recognized by stub");
+ error (_("Protocol error: p packet not recognized by stub"));
case PACKET_SUPPORT_UNKNOWN:
if (fetch_register_using_p (regnum))
{
/* The stub recognized the 'p' packet. Remember this. */
- remote_protocol_p.support = PACKET_ENABLE;
+ remote_protocol_packets[PACKET_p].support = PACKET_ENABLE;
return;
}
else
/* The stub does not support the 'P' packet. Use 'G'
instead, and don't try using 'P' in the future (it
will just waste our time). */
- remote_protocol_p.support = PACKET_DISABLE;
+ remote_protocol_packets[PACKET_p].support = PACKET_DISABLE;
break;
}
}
- sprintf (buf, "g");
- remote_send (buf, (rs->remote_packet_size));
+ sprintf (rs->buf, "g");
+ remote_send (&rs->buf, &rs->buf_size);
+ buf = rs->buf;
/* Save the size of the packet sent to us by the target. Its used
as a heuristic when determining the max size of packets that the
- target can safely receive. */
- if ((rs->actual_register_packet_size) == 0)
- (rs->actual_register_packet_size) = strlen (buf);
+ target can safely receive. */
+ if ((rsa->actual_register_packet_size) == 0)
+ (rsa->actual_register_packet_size) = strlen (buf);
/* Unimplemented registers read as all bits zero. */
- memset (regs, 0, rs->sizeof_g_packet);
+ memset (regs, 0, rsa->sizeof_g_packet);
/* We can get out of synch in various cases. If the first character
in the buffer is not a hex character, assume that has happened
and try to fetch another packet to read. */
while ((buf[0] < '0' || buf[0] > '9')
+ && (buf[0] < 'A' || buf[0] > 'F')
&& (buf[0] < 'a' || buf[0] > 'f')
- && buf[0] != 'x') /* New: unavailable register value */
+ && buf[0] != 'x') /* New: unavailable register value. */
{
if (remote_debug)
fprintf_unfiltered (gdb_stdlog,
"Bad register packet; fetching a new packet\n");
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ buf = rs->buf;
}
/* Reply describes registers byte by byte, each byte encoded as two
register cacheing/storage mechanism. */
p = buf;
- for (i = 0; i < rs->sizeof_g_packet; i++)
+ for (i = 0; i < rsa->sizeof_g_packet; i++)
{
if (p[0] == 0)
break;
if (p[1] == 0)
{
- warning ("Remote reply is of odd length: %s", buf);
+ warning (_("Remote reply is of odd length: %s"), buf);
/* Don't change register_bytes_found in this case, and don't
print a second warning. */
goto supply_them;
register_bytes_found = i;
if (REGISTER_BYTES_OK_P ()
&& !REGISTER_BYTES_OK (i))
- warning ("Remote reply is too short: %s", buf);
+ warning (_("Remote reply is wrong length: %s"), buf);
}
supply_them:
int i;
for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
{
- struct packet_reg *r = &rs->regs[i];
+ struct packet_reg *r = &rsa->regs[i];
if (r->in_g_packet)
{
if (r->offset * 2 >= strlen (buf))
static void
remote_prepare_to_store (void)
{
- struct remote_state *rs = get_remote_state ();
+ struct remote_arch_state *rsa = get_remote_arch_state ();
int i;
- char buf[MAX_REGISTER_SIZE];
+ gdb_byte buf[MAX_REGISTER_SIZE];
/* Make sure the entire registers array is valid. */
- switch (remote_protocol_P.support)
+ switch (remote_protocol_packets[PACKET_P].support)
{
case PACKET_DISABLE:
case PACKET_SUPPORT_UNKNOWN:
/* Make sure all the necessary registers are cached. */
for (i = 0; i < NUM_REGS; i++)
- if (rs->regs[i].in_g_packet)
- regcache_raw_read (current_regcache, rs->regs[i].regnum, buf);
+ if (rsa->regs[i].in_g_packet)
+ regcache_raw_read (current_regcache, rsa->regs[i].regnum, buf);
break;
case PACKET_ENABLE:
break;
}
/* Helper: Attempt to store REGNUM using the P packet. Return fail IFF
- packet was not recognized. */
+ packet was not recognized. */
static int
store_register_using_P (int regnum)
{
struct remote_state *rs = get_remote_state ();
- struct packet_reg *reg = packet_reg_from_regnum (rs, regnum);
+ struct remote_arch_state *rsa = get_remote_arch_state ();
+ struct packet_reg *reg = packet_reg_from_regnum (rsa, regnum);
/* Try storing a single register. */
- char *buf = alloca (rs->remote_packet_size);
- char regp[MAX_REGISTER_SIZE];
+ char *buf = rs->buf;
+ gdb_byte regp[MAX_REGISTER_SIZE];
char *p;
- int i;
- sprintf (buf, "P%s=", phex_nz (reg->pnum, 0));
+ xsnprintf (buf, get_remote_packet_size (), "P%s=", phex_nz (reg->pnum, 0));
p = buf + strlen (buf);
regcache_raw_collect (current_regcache, reg->regnum, regp);
bin2hex (regp, p, register_size (current_gdbarch, reg->regnum));
- remote_send (buf, rs->remote_packet_size);
+ remote_send (&rs->buf, &rs->buf_size);
- return buf[0] != '\0';
+ return rs->buf[0] != '\0';
}
-/* Store register REGNUM, or all registers if REGNUM == -1, from the contents
- of the register cache buffer. FIXME: ignores errors. */
+/* Store register REGNUM, or all registers if REGNUM == -1, from the
+ contents of the register cache buffer. FIXME: ignores errors. */
static void
remote_store_registers (int regnum)
{
struct remote_state *rs = get_remote_state ();
- char *buf;
- char *regs;
- int i;
+ struct remote_arch_state *rsa = get_remote_arch_state ();
+ gdb_byte *regs;
char *p;
set_thread (PIDGET (inferior_ptid), 1);
if (regnum >= 0)
{
- switch (remote_protocol_P.support)
+ switch (remote_protocol_packets[PACKET_P].support)
{
case PACKET_DISABLE:
break;
if (store_register_using_P (regnum))
return;
else
- error ("Protocol error: P packet not recognized by stub");
+ error (_("Protocol error: P packet not recognized by stub"));
case PACKET_SUPPORT_UNKNOWN:
if (store_register_using_P (regnum))
{
/* The stub recognized the 'P' packet. Remember this. */
- remote_protocol_P.support = PACKET_ENABLE;
+ remote_protocol_packets[PACKET_P].support = PACKET_ENABLE;
return;
}
else
/* The stub does not support the 'P' packet. Use 'G'
instead, and don't try using 'P' in the future (it
will just waste our time). */
- remote_protocol_P.support = PACKET_DISABLE;
+ remote_protocol_packets[PACKET_P].support = PACKET_DISABLE;
break;
}
}
local buffer. */
{
int i;
- regs = alloca (rs->sizeof_g_packet);
- memset (regs, rs->sizeof_g_packet, 0);
+ regs = alloca (rsa->sizeof_g_packet);
+ memset (regs, 0, rsa->sizeof_g_packet);
for (i = 0; i < NUM_REGS + NUM_PSEUDO_REGS; i++)
{
- struct packet_reg *r = &rs->regs[i];
+ struct packet_reg *r = &rsa->regs[i];
if (r->in_g_packet)
regcache_raw_collect (current_regcache, r->regnum, regs + r->offset);
}
/* Command describes registers byte by byte,
each byte encoded as two hex characters. */
- buf = alloca (rs->remote_packet_size);
- p = buf;
+ p = rs->buf;
*p++ = 'G';
/* remote_prepare_to_store insures that register_bytes_found gets set. */
bin2hex (regs, p, register_bytes_found);
- remote_send (buf, (rs->remote_packet_size));
+ remote_send (&rs->buf, &rs->buf_size);
}
\f
return width;
}
-/* Mask all but the least significant REMOTE_ADDRESS_SIZE bits. */
+/* Mask all but the least significant REMOTE_ADDRESS_SIZE bits. */
static CORE_ADDR
remote_address_masked (CORE_ADDR addr)
&& remote_address_size < (sizeof (ULONGEST) * 8))
{
/* Only create a mask when that mask can safely be constructed
- in a ULONGEST variable. */
+ in a ULONGEST variable. */
ULONGEST mask = 1;
mask = (mask << remote_address_size) - 1;
addr &= mask;
return addr;
}
+/* Convert BUFFER, binary data at least LEN bytes long, into escaped
+ binary data in OUT_BUF. Set *OUT_LEN to the length of the data
+ encoded in OUT_BUF, and return the number of bytes in OUT_BUF
+ (which may be more than *OUT_LEN due to escape characters). The
+ total number of bytes in the output buffer will be at most
+ OUT_MAXLEN. */
+
+static int
+remote_escape_output (const gdb_byte *buffer, int len,
+ gdb_byte *out_buf, int *out_len,
+ int out_maxlen)
+{
+ int input_index, output_index;
+
+ output_index = 0;
+ for (input_index = 0; input_index < len; input_index++)
+ {
+ gdb_byte b = buffer[input_index];
+
+ if (b == '$' || b == '#' || b == '}')
+ {
+ /* These must be escaped. */
+ if (output_index + 2 > out_maxlen)
+ break;
+ out_buf[output_index++] = '}';
+ out_buf[output_index++] = b ^ 0x20;
+ }
+ else
+ {
+ if (output_index + 1 > out_maxlen)
+ break;
+ out_buf[output_index++] = b;
+ }
+ }
+
+ *out_len = input_index;
+ return output_index;
+}
+
+/* Convert BUFFER, escaped data LEN bytes long, into binary data
+ in OUT_BUF. Return the number of bytes written to OUT_BUF.
+ Raise an error if the total number of bytes exceeds OUT_MAXLEN.
+
+ This function reverses remote_escape_output. It allows more
+ escaped characters than that function does, in particular because
+ '*' must be escaped to avoid the run-length encoding processing
+ in reading packets. */
+
+static int
+remote_unescape_input (const gdb_byte *buffer, int len,
+ gdb_byte *out_buf, int out_maxlen)
+{
+ int input_index, output_index;
+ int escaped;
+
+ output_index = 0;
+ escaped = 0;
+ for (input_index = 0; input_index < len; input_index++)
+ {
+ gdb_byte b = buffer[input_index];
+
+ if (output_index + 1 > out_maxlen)
+ {
+ warning (_("Received too much data from remote target;"
+ " ignoring overflow."));
+ return output_index;
+ }
+
+ if (escaped)
+ {
+ out_buf[output_index++] = b ^ 0x20;
+ escaped = 0;
+ }
+ else if (b == '}')
+ escaped = 1;
+ else
+ out_buf[output_index++] = b;
+ }
+
+ if (escaped)
+ error (_("Unmatched escape character in target response."));
+
+ return output_index;
+}
+
/* Determine whether the remote target supports binary downloading.
This is accomplished by sending a no-op memory write of zero length
to the target at the specified address. It does not suffice to send
- the whole packet, since many stubs strip the eighth bit and subsequently
- compute a wrong checksum, which causes real havoc with remote_write_bytes.
+ the whole packet, since many stubs strip the eighth bit and
+ subsequently compute a wrong checksum, which causes real havoc with
+ remote_write_bytes.
NOTE: This can still lose if the serial line is not eight-bit
clean. In cases like this, the user should clear "remote
- X-packet". */
+ X-packet". */
static void
check_binary_download (CORE_ADDR addr)
{
struct remote_state *rs = get_remote_state ();
- switch (remote_protocol_binary_download.support)
+
+ switch (remote_protocol_packets[PACKET_X].support)
{
case PACKET_DISABLE:
break;
break;
case PACKET_SUPPORT_UNKNOWN:
{
- char *buf = alloca (rs->remote_packet_size);
char *p;
- p = buf;
+ p = rs->buf;
*p++ = 'X';
p += hexnumstr (p, (ULONGEST) addr);
*p++ = ',';
*p++ = ':';
*p = '\0';
- putpkt_binary (buf, (int) (p - buf));
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt_binary (rs->buf, (int) (p - rs->buf));
+ getpkt (&rs->buf, &rs->buf_size, 0);
- if (buf[0] == '\0')
+ if (rs->buf[0] == '\0')
{
if (remote_debug)
fprintf_unfiltered (gdb_stdlog,
"binary downloading NOT suppported by target\n");
- remote_protocol_binary_download.support = PACKET_DISABLE;
+ remote_protocol_packets[PACKET_X].support = PACKET_DISABLE;
}
else
{
if (remote_debug)
fprintf_unfiltered (gdb_stdlog,
"binary downloading suppported by target\n");
- remote_protocol_binary_download.support = PACKET_ENABLE;
+ remote_protocol_packets[PACKET_X].support = PACKET_ENABLE;
}
break;
}
/* Write memory data directly to the remote machine.
This does not inform the data cache; the data cache uses this.
+ HEADER is the starting part of the packet.
MEMADDR is the address in the remote memory space.
MYADDR is the address of the buffer in our space.
LEN is the number of bytes.
+ PACKET_FORMAT should be either 'X' or 'M', and indicates if we
+ should send data as binary ('X'), or hex-encoded ('M').
- Returns number of bytes transferred, or 0 (setting errno) for
- error. Only transfer a single packet. */
+ The function creates packet of the form
+ <HEADER><ADDRESS>,<LENGTH>:<DATA>
-int
-remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
+ where encoding of <DATA> is termined by PACKET_FORMAT.
+
+ If USE_LENGTH is 0, then the <LENGTH> field and the preceding comma
+ are omitted.
+
+ Returns the number of bytes transferred, or 0 (setting errno) for
+ error. Only transfer a single packet. */
+
+static int
+remote_write_bytes_aux (const char *header, CORE_ADDR memaddr,
+ const gdb_byte *myaddr, int len,
+ char packet_format, int use_length)
{
- unsigned char *buf;
- unsigned char *p;
- unsigned char *plen;
- long sizeof_buf;
- int plenlen;
+ struct remote_state *rs = get_remote_state ();
+ char *p;
+ char *plen = NULL;
+ int plenlen = 0;
int todo;
int nr_bytes;
int payload_size;
- unsigned char *payload_start;
+ int payload_length;
+ int header_length;
- /* Verify that the target can support a binary download. */
- check_binary_download (memaddr);
+ if (packet_format != 'X' && packet_format != 'M')
+ internal_error (__FILE__, __LINE__,
+ "remote_write_bytes_aux: bad packet format");
- /* Compute the size, and then allocate space for the largest
- possible packet. Include space for an extra trailing NUL. */
- sizeof_buf = get_memory_write_packet_size () + 1;
- buf = alloca (sizeof_buf);
+ /* Should this be the selected frame? */
+ gdbarch_remote_translate_xfer_address (current_gdbarch,
+ current_regcache,
+ memaddr, len,
+ &memaddr, &len);
- /* Compute the size of the actual payload by subtracting out the
- packet header and footer overhead: "$M<memaddr>,<len>:...#nn". */
- payload_size = (get_memory_write_packet_size () - (strlen ("$M,:#NN")
- + hexnumlen (memaddr)
- + hexnumlen (len)));
+ if (len <= 0)
+ return 0;
- /* Construct the packet header: "[MX]<memaddr>,<len>:". */
+ payload_size = get_memory_write_packet_size ();
- /* Append "[XM]". Compute a best guess of the number of bytes
- actually transfered. */
- p = buf;
- switch (remote_protocol_binary_download.support)
+ /* The packet buffer will be large enough for the payload;
+ get_memory_packet_size ensures this. */
+ rs->buf[0] = '\0';
+
+ /* Compute the size of the actual payload by subtracting out the
+ packet header and footer overhead: "$M<memaddr>,<len>:...#nn".
+ */
+ payload_size -= strlen ("$,:#NN");
+ if (!use_length)
+ /* The comma won't be used. */
+ payload_size += 1;
+ header_length = strlen (header);
+ payload_size -= header_length;
+ payload_size -= hexnumlen (memaddr);
+
+ /* Construct the packet excluding the data: "<header><memaddr>,<len>:". */
+
+ strcat (rs->buf, header);
+ p = rs->buf + strlen (header);
+
+ /* Compute a best guess of the number of bytes actually transfered. */
+ if (packet_format == 'X')
{
- case PACKET_ENABLE:
- *p++ = 'X';
- /* Best guess at number of bytes that will fit. */
+ /* Best guess at number of bytes that will fit. */
todo = min (len, payload_size);
- break;
- case PACKET_DISABLE:
- *p++ = 'M';
- /* num bytes that will fit */
+ if (use_length)
+ payload_size -= hexnumlen (todo);
+ todo = min (todo, payload_size);
+ }
+ else
+ {
+ /* Num bytes that will fit. */
todo = min (len, payload_size / 2);
- break;
- case PACKET_SUPPORT_UNKNOWN:
- internal_error (__FILE__, __LINE__,
- "remote_write_bytes: bad internal state");
- default:
- internal_error (__FILE__, __LINE__, "bad switch");
+ if (use_length)
+ payload_size -= hexnumlen (todo);
+ todo = min (todo, payload_size / 2);
}
+ if (todo <= 0)
+ internal_error (__FILE__, __LINE__,
+ _("minumum packet size too small to write data"));
+
+ /* If we already need another packet, then try to align the end
+ of this packet to a useful boundary. */
+ if (todo > 2 * REMOTE_ALIGN_WRITES && todo < len)
+ todo = ((memaddr + todo) & ~(REMOTE_ALIGN_WRITES - 1)) - memaddr;
+
/* Append "<memaddr>". */
memaddr = remote_address_masked (memaddr);
p += hexnumstr (p, (ULONGEST) memaddr);
- /* Append ",". */
- *p++ = ',';
+ if (use_length)
+ {
+ /* Append ",". */
+ *p++ = ',';
- /* Append <len>. Retain the location/size of <len>. It may need to
- be adjusted once the packet body has been created. */
- plen = p;
- plenlen = hexnumstr (p, (ULONGEST) todo);
- p += plenlen;
+ /* Append <len>. Retain the location/size of <len>. It may need to
+ be adjusted once the packet body has been created. */
+ plen = p;
+ plenlen = hexnumstr (p, (ULONGEST) todo);
+ p += plenlen;
+ }
/* Append ":". */
*p++ = ':';
*p = '\0';
/* Append the packet body. */
- payload_start = p;
- switch (remote_protocol_binary_download.support)
+ if (packet_format == 'X')
{
- case PACKET_ENABLE:
/* Binary mode. Send target system values byte by byte, in
increasing byte addresses. Only escape certain critical
characters. */
- for (nr_bytes = 0;
- (nr_bytes < todo) && (p - payload_start) < payload_size;
- nr_bytes++)
+ payload_length = remote_escape_output (myaddr, todo, p, &nr_bytes,
+ payload_size);
+
+ /* If not all TODO bytes fit, then we'll need another packet. Make
+ a second try to keep the end of the packet aligned. Don't do
+ this if the packet is tiny. */
+ if (nr_bytes < todo && nr_bytes > 2 * REMOTE_ALIGN_WRITES)
{
- switch (myaddr[nr_bytes] & 0xff)
- {
- case '$':
- case '#':
- case 0x7d:
- /* These must be escaped */
- *p++ = 0x7d;
- *p++ = (myaddr[nr_bytes] & 0xff) ^ 0x20;
- break;
- default:
- *p++ = myaddr[nr_bytes] & 0xff;
- break;
- }
+ int new_nr_bytes;
+
+ new_nr_bytes = (((memaddr + nr_bytes) & ~(REMOTE_ALIGN_WRITES - 1))
+ - memaddr);
+ if (new_nr_bytes != nr_bytes)
+ payload_length = remote_escape_output (myaddr, new_nr_bytes,
+ p, &nr_bytes,
+ payload_size);
}
- if (nr_bytes < todo)
+
+ p += payload_length;
+ if (use_length && nr_bytes < todo)
{
/* Escape chars have filled up the buffer prematurely,
and we have actually sent fewer bytes than planned.
plen += hexnumnstr (plen, (ULONGEST) nr_bytes, plenlen);
*plen = ':'; /* overwrite \0 from hexnumnstr() */
}
- break;
- case PACKET_DISABLE:
+ }
+ else
+ {
/* Normal mode: Send target system values byte by byte, in
increasing byte addresses. Each byte is encoded as a two hex
value. */
nr_bytes = bin2hex (myaddr, p, todo);
p += 2 * nr_bytes;
- break;
- case PACKET_SUPPORT_UNKNOWN:
- internal_error (__FILE__, __LINE__,
- "remote_write_bytes: bad internal state");
- default:
- internal_error (__FILE__, __LINE__, "bad switch");
}
- putpkt_binary (buf, (int) (p - buf));
- getpkt (buf, sizeof_buf, 0);
+ putpkt_binary (rs->buf, (int) (p - rs->buf));
+ getpkt (&rs->buf, &rs->buf_size, 0);
- if (buf[0] == 'E')
+ if (rs->buf[0] == 'E')
{
/* There is no correspondance between what the remote protocol
uses for errors and errno codes. We would like a cleaner way
return 0;
}
- /* Return NR_BYTES, not TODO, in case escape chars caused us to send fewer
- bytes than we'd planned. */
+ /* Return NR_BYTES, not TODO, in case escape chars caused us to send
+ fewer bytes than we'd planned. */
return nr_bytes;
}
+/* Write memory data directly to the remote machine.
+ This does not inform the data cache; the data cache uses this.
+ MEMADDR is the address in the remote memory space.
+ MYADDR is the address of the buffer in our space.
+ LEN is the number of bytes.
+
+ Returns number of bytes transferred, or 0 (setting errno) for
+ error. Only transfer a single packet. */
+
+int
+remote_write_bytes (CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
+{
+ char *packet_format = 0;
+
+ /* Check whether the target supports binary download. */
+ check_binary_download (memaddr);
+
+ switch (remote_protocol_packets[PACKET_X].support)
+ {
+ case PACKET_ENABLE:
+ packet_format = "X";
+ break;
+ case PACKET_DISABLE:
+ packet_format = "M";
+ break;
+ case PACKET_SUPPORT_UNKNOWN:
+ internal_error (__FILE__, __LINE__,
+ _("remote_write_bytes: bad internal state"));
+ default:
+ internal_error (__FILE__, __LINE__, _("bad switch"));
+ }
+
+ return remote_write_bytes_aux (packet_format,
+ memaddr, myaddr, len, packet_format[0], 1);
+}
+
/* Read memory data directly from the remote machine.
This does not use the data cache; the data cache uses this.
MEMADDR is the address in the remote memory space.
Instead it should read a single packet worth of data and then
return the byte size of that packet to the caller. The caller (its
caller and its callers caller ;-) already contains code for
- handling partial reads. */
+ handling partial reads. */
int
-remote_read_bytes (CORE_ADDR memaddr, char *myaddr, int len)
+remote_read_bytes (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
{
- char *buf;
- int max_buf_size; /* Max size of packet output buffer */
- long sizeof_buf;
+ struct remote_state *rs = get_remote_state ();
+ int max_buf_size; /* Max size of packet output buffer. */
int origlen;
- /* Create a buffer big enough for this packet. */
+ /* Should this be the selected frame? */
+ gdbarch_remote_translate_xfer_address (current_gdbarch,
+ current_regcache,
+ memaddr, len,
+ &memaddr, &len);
+
+ if (len <= 0)
+ return 0;
+
max_buf_size = get_memory_read_packet_size ();
- sizeof_buf = max_buf_size + 1; /* Space for trailing NUL */
- buf = alloca (sizeof_buf);
+ /* The packet buffer will be large enough for the payload;
+ get_memory_packet_size ensures this. */
origlen = len;
while (len > 0)
todo = min (len, max_buf_size / 2); /* num bytes that will fit */
/* construct "m"<memaddr>","<len>" */
- /* sprintf (buf, "m%lx,%x", (unsigned long) memaddr, todo); */
+ /* sprintf (rs->buf, "m%lx,%x", (unsigned long) memaddr, todo); */
memaddr = remote_address_masked (memaddr);
- p = buf;
+ p = rs->buf;
*p++ = 'm';
p += hexnumstr (p, (ULONGEST) memaddr);
*p++ = ',';
p += hexnumstr (p, (ULONGEST) todo);
*p = '\0';
- putpkt (buf);
- getpkt (buf, sizeof_buf, 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- if (buf[0] == 'E'
- && isxdigit (buf[1]) && isxdigit (buf[2])
- && buf[3] == '\0')
+ if (rs->buf[0] == 'E'
+ && isxdigit (rs->buf[1]) && isxdigit (rs->buf[2])
+ && rs->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
- representing errors (big enough to include errno codes, bfd_error
- codes, and others). But for now just return EIO. */
+ /* There is no correspondance between what the remote
+ protocol uses for errors and errno codes. We would like
+ a cleaner way of representing errors (big enough to
+ include errno codes, bfd_error codes, and others). But
+ for now just return EIO. */
errno = EIO;
return 0;
}
/* Reply describes memory byte by byte,
each byte encoded as two hex characters. */
- p = buf;
+ p = rs->buf;
if ((i = hex2bin (p, myaddr, todo)) < todo)
{
/* Reply is short. This means that we were able to read
- only part of what we wanted to. */
+ only part of what we wanted to. */
return i + (origlen - len);
}
myaddr += todo;
}
\f
/* Read or write LEN bytes from inferior memory at MEMADDR,
- transferring to or from debugger address BUFFER. Write to inferior if
- SHOULD_WRITE is nonzero. Returns length of data written or read; 0
- for error. TARGET is unused. */
+ transferring to or from debugger address BUFFER. Write to inferior
+ if SHOULD_WRITE is nonzero. Returns length of data written or
+ read; 0 for error. TARGET is unused. */
static int
-remote_xfer_memory (CORE_ADDR mem_addr, char *buffer, int mem_len,
+remote_xfer_memory (CORE_ADDR mem_addr, gdb_byte *buffer, int mem_len,
int should_write, struct mem_attrib *attrib,
struct target_ops *target)
{
- CORE_ADDR targ_addr;
- int targ_len;
int res;
- /* 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;
-
if (should_write)
- res = remote_write_bytes (targ_addr, buffer, targ_len);
+ res = remote_write_bytes (mem_addr, buffer, mem_len);
else
- res = remote_read_bytes (targ_addr, buffer, targ_len);
+ res = remote_read_bytes (mem_addr, buffer, mem_len);
return res;
}
+/* Sends a packet with content determined by the printf format string
+ FORMAT and the remaining arguments, then gets the reply. Returns
+ whether the packet was a success, a failure, or unknown. */
+
+enum packet_result
+remote_send_printf (const char *format, ...)
+{
+ struct remote_state *rs = get_remote_state ();
+ int max_size = get_remote_packet_size ();
+
+ va_list ap;
+ va_start (ap, format);
+
+ rs->buf[0] = '\0';
+ if (vsnprintf (rs->buf, max_size, format, ap) >= max_size)
+ internal_error (__FILE__, __LINE__, "Too long remote packet.");
+
+ if (putpkt (rs->buf) < 0)
+ error (_("Communication problem with target."));
+
+ rs->buf[0] = '\0';
+ getpkt (&rs->buf, &rs->buf_size, 0);
+
+ return packet_check_result (rs->buf);
+}
+
+static void
+restore_remote_timeout (void *p)
+{
+ int value = *(int *)p;
+ remote_timeout = value;
+}
+
+/* Flash writing can take quite some time. We'll set
+ effectively infinite timeout for flash operations.
+ In future, we'll need to decide on a better approach. */
+static const int remote_flash_timeout = 1000;
+
+static void
+remote_flash_erase (struct target_ops *ops,
+ ULONGEST address, LONGEST length)
+{
+ int saved_remote_timeout = remote_timeout;
+ enum packet_result ret;
+
+ struct cleanup *back_to = make_cleanup (restore_remote_timeout,
+ &saved_remote_timeout);
+ remote_timeout = remote_flash_timeout;
+
+ ret = remote_send_printf ("vFlashErase:%s,%s",
+ paddr (address),
+ phex (length, 4));
+ switch (ret)
+ {
+ case PACKET_UNKNOWN:
+ error (_("Remote target does not support flash erase"));
+ case PACKET_ERROR:
+ error (_("Error erasing flash with vFlashErase packet"));
+ default:
+ break;
+ }
+
+ do_cleanups (back_to);
+}
+
+static LONGEST
+remote_flash_write (struct target_ops *ops,
+ ULONGEST address, LONGEST length,
+ const gdb_byte *data)
+{
+ int saved_remote_timeout = remote_timeout;
+ int ret;
+ struct cleanup *back_to = make_cleanup (restore_remote_timeout,
+ &saved_remote_timeout);
+
+ remote_timeout = remote_flash_timeout;
+ ret = remote_write_bytes_aux ("vFlashWrite:", address, data, length, 'X', 0);
+ do_cleanups (back_to);
+
+ return ret;
+}
+
+static void
+remote_flash_done (struct target_ops *ops)
+{
+ int saved_remote_timeout = remote_timeout;
+ int ret;
+ struct cleanup *back_to = make_cleanup (restore_remote_timeout,
+ &saved_remote_timeout);
+
+ remote_timeout = remote_flash_timeout;
+ ret = remote_send_printf ("vFlashDone");
+ do_cleanups (back_to);
+
+ switch (ret)
+ {
+ case PACKET_UNKNOWN:
+ error (_("Remote target does not support vFlashDone"));
+ case PACKET_ERROR:
+ error (_("Error finishing flash operation"));
+ default:
+ break;
+ }
+}
+
static void
remote_files_info (struct target_ops *ignore)
{
/* Stuff for dealing with the packets which are part of this protocol.
See comment at top of file for details. */
-/* Read a single character from the remote end, masking it down to 7 bits. */
+/* Read a single character from the remote end. */
static int
readchar (int timeout)
ch = serial_readchar (remote_desc, timeout);
if (ch >= 0)
- return (ch & 0x7f);
+ return ch;
switch ((enum serial_rc) ch)
{
case SERIAL_EOF:
target_mourn_inferior ();
- error ("Remote connection closed");
+ error (_("Remote connection closed"));
/* no return */
case SERIAL_ERROR:
- perror_with_name ("Remote communication error");
+ perror_with_name (_("Remote communication error"));
/* no return */
case SERIAL_TIMEOUT:
break;
return ch;
}
-/* Send the command in BUF to the remote machine, and read the reply
- into BUF. Report an error if we get an error reply. */
+/* Send the command in *BUF to the remote machine, and read the reply
+ into *BUF. Report an error if we get an error reply. Resize
+ *BUF using xrealloc if necessary to hold the result, and update
+ *SIZEOF_BUF. */
static void
-remote_send (char *buf,
- long sizeof_buf)
+remote_send (char **buf,
+ long *sizeof_buf)
{
- putpkt (buf);
+ putpkt (*buf);
getpkt (buf, sizeof_buf, 0);
- if (buf[0] == 'E')
- error ("Remote failure reply: %s", buf);
+ if ((*buf)[0] == 'E')
+ error (_("Remote failure reply: %s"), *buf);
}
/* Display a null-terminated packet on stdout, for debugging, using C
}
/* Send a packet to the remote machine, with error checking. The data
- of the packet is in BUF. The string in BUF can be at most (rs->remote_packet_size) - 5
- to account for the $, # and checksum, and for a possible /0 if we are
- debugging (remote_debug) and want to print the sent packet as a string */
+ of the packet is in BUF. The string in BUF can be at most
+ get_remote_packet_size () - 5 to account for the $, # and checksum,
+ and for a possible /0 if we are debugging (remote_debug) and want
+ to print the sent packet as a string. */
static int
putpkt_binary (char *buf, int cnt)
{
- struct remote_state *rs = get_remote_state ();
int i;
unsigned char csum = 0;
char *buf2 = alloca (cnt + 6);
- long sizeof_junkbuf = (rs->remote_packet_size);
- char *junkbuf = alloca (sizeof_junkbuf);
int ch;
int tcount = 0;
gdb_flush (gdb_stdlog);
}
if (serial_write (remote_desc, buf2, p - buf2))
- perror_with_name ("putpkt: write failed");
+ perror_with_name (_("putpkt: write failed"));
- /* read until either a timeout occurs (-2) or '+' is read */
+ /* Read until either a timeout occurs (-2) or '+' is read. */
while (1)
{
ch = readchar (remote_timeout);
tcount++;
if (tcount > 3)
return 0;
- break; /* Retransmit buffer */
+ break; /* Retransmit buffer. */
case '$':
{
if (remote_debug)
- fprintf_unfiltered (gdb_stdlog, "Packet instead of Ack, ignoring it\n");
- /* It's probably an old response, and we're out of sync.
- Just gobble up the packet and ignore it. */
- read_frame (junkbuf, sizeof_junkbuf);
- continue; /* Now, go look for + */
+ fprintf_unfiltered (gdb_stdlog,
+ "Packet instead of Ack, ignoring it\n");
+ /* It's probably an old response sent because an ACK
+ was lost. Gobble up the packet and ack it so it
+ doesn't get retransmitted when we resend this
+ packet. */
+ skip_frame ();
+ serial_write (remote_desc, "+", 1);
+ continue; /* Now, go look for +. */
}
default:
if (remote_debug)
}
continue;
}
- break; /* Here to retransmit */
+ break; /* Here to retransmit. */
}
#if 0
}
}
+/* Come here after finding the start of a frame when we expected an
+ ack. Do our best to discard the rest of this packet. */
+
+static void
+skip_frame (void)
+{
+ int c;
+
+ while (1)
+ {
+ c = readchar (remote_timeout);
+ switch (c)
+ {
+ case SERIAL_TIMEOUT:
+ /* Nothing we can do. */
+ return;
+ case '#':
+ /* Discard the two bytes of checksum and stop. */
+ c = readchar (remote_timeout);
+ if (c >= 0)
+ c = readchar (remote_timeout);
+
+ return;
+ case '*': /* Run length encoding. */
+ /* Discard the repeat count. */
+ c = readchar (remote_timeout);
+ if (c < 0)
+ return;
+ break;
+ default:
+ /* A regular character. */
+ break;
+ }
+ }
+}
+
/* Come here after finding the start of the frame. Collect the rest
- into BUF, verifying the checksum, length, and handling run-length
- compression. No more than sizeof_buf-1 characters are read so that
- the buffer can be NUL terminated.
+ into *BUF, verifying the checksum, length, and handling run-length
+ compression. NUL terminate the buffer. If there is not enough room,
+ expand *BUF using xrealloc.
Returns -1 on error, number of characters in buffer (ignoring the
trailing NULL) on success. (could be extended to return one of the
- SERIAL status indications). */
+ SERIAL status indications). */
static long
-read_frame (char *buf,
- long sizeof_buf)
+read_frame (char **buf_p,
+ long *sizeof_buf)
{
unsigned char csum;
long bc;
int c;
+ char *buf = *buf_p;
csum = 0;
bc = 0;
while (1)
{
- /* ASSERT (bc < sizeof_buf - 1) - space for trailing NUL */
c = readchar (remote_timeout);
switch (c)
{
if (remote_debug)
fputs_filtered ("Saw new packet start in middle of old one\n",
gdb_stdlog);
- return -1; /* Start a new packet, count retries */
+ return -1; /* Start a new packet, count retries. */
case '#':
{
unsigned char pktcsum;
if (check_0 == SERIAL_TIMEOUT || check_1 == SERIAL_TIMEOUT)
{
if (remote_debug)
- fputs_filtered ("Timeout in checksum, retrying\n", gdb_stdlog);
+ fputs_filtered ("Timeout in checksum, retrying\n",
+ gdb_stdlog);
return -1;
}
else if (check_0 < 0 || check_1 < 0)
{
if (remote_debug)
- fputs_filtered ("Communication error in checksum\n", gdb_stdlog);
+ fputs_filtered ("Communication error in checksum\n",
+ gdb_stdlog);
return -1;
}
fprintf_filtered (gdb_stdlog,
"Bad checksum, sentsum=0x%x, csum=0x%x, buf=",
pktcsum, csum);
- fputs_filtered (buf, gdb_stdlog);
+ fputstrn_filtered (buf, bc, 0, gdb_stdlog);
fputs_filtered ("\n", gdb_stdlog);
}
/* Number of characters in buffer ignoring trailing
- NUL. */
+ NULL. */
return -1;
}
- case '*': /* Run length encoding */
+ case '*': /* Run length encoding. */
{
int repeat;
csum += c;
c = readchar (remote_timeout);
csum += c;
- repeat = c - ' ' + 3; /* Compute repeat count */
+ repeat = c - ' ' + 3; /* Compute repeat count. */
- /* The character before ``*'' is repeated. */
+ /* The character before ``*'' is repeated. */
- if (repeat > 0 && repeat <= 255
- && bc > 0
- && bc + repeat - 1 < sizeof_buf - 1)
+ if (repeat > 0 && repeat <= 255 && bc > 0)
{
+ if (bc + repeat - 1 >= *sizeof_buf - 1)
+ {
+ /* Make some more room in the buffer. */
+ *sizeof_buf += repeat;
+ *buf_p = xrealloc (*buf_p, *sizeof_buf);
+ buf = *buf_p;
+ }
+
memset (&buf[bc], buf[bc - 1], repeat);
bc += repeat;
continue;
}
buf[bc] = '\0';
- printf_filtered ("Repeat count %d too large for buffer: ", repeat);
- puts_filtered (buf);
- puts_filtered ("\n");
+ printf_filtered (_("Invalid run length encoding: %s\n"), buf);
return -1;
}
default:
- if (bc < sizeof_buf - 1)
+ if (bc >= *sizeof_buf - 1)
{
- buf[bc++] = c;
- csum += c;
- continue;
+ /* Make some more room in the buffer. */
+ *sizeof_buf *= 2;
+ *buf_p = xrealloc (*buf_p, *sizeof_buf);
+ buf = *buf_p;
}
- buf[bc] = '\0';
- puts_filtered ("Remote packet too long: ");
- puts_filtered (buf);
- puts_filtered ("\n");
-
- return -1;
+ buf[bc++] = c;
+ csum += c;
+ continue;
}
}
}
/* Read a packet from the remote machine, with error checking, and
- store it in BUF. If FOREVER, wait forever rather than timing out;
- this is used (in synchronous mode) to wait for a target that is is
- executing user code to stop. */
+ store it in *BUF. Resize *BUF using xrealloc if necessary to hold
+ the result, and update *SIZEOF_BUF. If FOREVER, wait forever
+ rather than timing out; this is used (in synchronous mode) to wait
+ for a target that is is executing user code to stop. */
/* FIXME: ezannoni 2000-02-01 this wrapper is necessary so that we
don't have to change all the calls to getpkt to deal with the
return value, because at the moment I don't know what the right
- thing to do it for those. */
+ thing to do it for those. */
void
-getpkt (char *buf,
- long sizeof_buf,
+getpkt (char **buf,
+ long *sizeof_buf,
int forever)
{
int timed_out;
/* Read a packet from the remote machine, with error checking, and
- store it in BUF. If FOREVER, wait forever rather than timing out;
- this is used (in synchronous mode) to wait for a target that is is
- executing user code to stop. If FOREVER == 0, this function is
- allowed to time out gracefully and return an indication of this to
- the caller. */
+ store it in *BUF. Resize *BUF using xrealloc if necessary to hold
+ the result, and update *SIZEOF_BUF. If FOREVER, wait forever
+ rather than timing out; this is used (in synchronous mode) to wait
+ for a target that is is executing user code to stop. If FOREVER ==
+ 0, this function is allowed to time out gracefully and return an
+ indication of this to the caller. Otherwise return the number
+ of bytes read. */
static int
-getpkt_sane (char *buf,
- long sizeof_buf,
- int forever)
+getpkt_sane (char **buf, long *sizeof_buf, int forever)
{
int c;
int tries;
int timeout;
int val;
- strcpy (buf, "timeout");
+ strcpy (*buf, "timeout");
if (forever)
{
for (tries = 1; tries <= MAX_TRIES; tries++)
{
/* This can loop forever if the remote side sends us characters
- continuously, but if it pauses, we'll get a zero from readchar
- because of timeout. Then we'll count that as a retry. */
+ continuously, but if it pauses, we'll get a zero from
+ readchar because of timeout. Then we'll count that as a
+ retry. */
- /* Note that we will only wait forever prior to the start of a packet.
- After that, we expect characters to arrive at a brisk pace. They
- should show up within remote_timeout intervals. */
+ /* Note that we will only wait forever prior to the start of a
+ packet. After that, we expect characters to arrive at a
+ brisk pace. They should show up within remote_timeout
+ intervals. */
do
{
if (c == SERIAL_TIMEOUT)
{
- if (forever) /* Watchdog went off? Kill the target. */
+ if (forever) /* Watchdog went off? Kill the target. */
{
QUIT;
target_mourn_inferior ();
- error ("Watchdog has expired. Target detached.\n");
+ error (_("Watchdog has expired. Target detached."));
}
if (remote_debug)
fputs_filtered ("Timed out.\n", gdb_stdlog);
if (remote_debug)
{
fprintf_unfiltered (gdb_stdlog, "Packet received: ");
- fputstr_unfiltered (buf, 0, gdb_stdlog);
+ fputstrn_unfiltered (*buf, val, 0, gdb_stdlog);
fprintf_unfiltered (gdb_stdlog, "\n");
}
serial_write (remote_desc, "+", 1);
- return 0;
+ return val;
}
/* Try the whole thing again. */
serial_write (remote_desc, "-", 1);
}
- /* We have tried hard enough, and just can't receive the packet. Give up. */
+ /* We have tried hard enough, and just can't receive the packet.
+ Give up. */
- printf_unfiltered ("Ignoring packet error, continuing...\n");
+ printf_unfiltered (_("Ignoring packet error, continuing...\n"));
serial_write (remote_desc, "+", 1);
- return 1;
+ return -1;
}
\f
static void
target_mourn_inferior ();
}
-/* Async version of remote_kill. */
+/* Async version of remote_kill. */
static void
remote_async_kill (void)
{
- /* Unregister the file descriptor from the event loop. */
+ /* Unregister the file descriptor from the event loop. */
if (target_is_async_p ())
serial_async (remote_desc, NULL, 0);
return;
}
- /* Use catch_errors so the user can quit from gdb even when we aren't on
- speaking terms with the remote system. */
+ /* Use catch_errors so the user can quit from gdb even when we
+ aren't on speaking terms with the remote system. */
catch_errors ((catch_errors_ftype *) putpkt, "k", "", RETURN_MASK_ERROR);
/* Don't wait for it to die. I'm not really sure it matters whether
we're debugging, arguments and an environment. */
static void
-extended_remote_create_inferior (char *exec_file, char *args, char **env,
- int from_tty)
+extended_remote_create_inferior (char *exec_file, char *args,
+ char **env, int from_tty)
{
/* Rip out the breakpoints; we'll reinsert them after restarting
the remote server. */
/* Clean up from the last time we were running. */
clear_proceed_status ();
-
- /* Let the remote process run. */
- proceed (-1, TARGET_SIGNAL_0, 0);
}
-/* Async version of extended_remote_create_inferior. */
+/* Async version of extended_remote_create_inferior. */
static void
-extended_remote_async_create_inferior (char *exec_file, char *args, char **env,
- int from_tty)
+extended_remote_async_create_inferior (char *exec_file, char *args,
+ char **env, int from_tty)
{
/* Rip out the breakpoints; we'll reinsert them after restarting
the remote server. */
remove_breakpoints ();
/* If running asynchronously, register the target file descriptor
- with the event loop. */
+ with the event loop. */
if (target_can_async_p ())
target_async (inferior_event_handler, 0);
/* Clean up from the last time we were running. */
clear_proceed_status ();
-
- /* Let the remote process run. */
- proceed (-1, TARGET_SIGNAL_0, 0);
}
\f
#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 the number
- of bytes returned by BREAKPOINT_FROM_PC. */
+/* Insert a breakpoint. On targets that have software breakpoint
+ support, we ask the remote target to do the work; on targets
+ which don't, we insert a traditional memory breakpoint. */
static int
-remote_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
+remote_insert_breakpoint (struct bp_target_info *bp_tgt)
{
+ CORE_ADDR addr = bp_tgt->placed_address;
struct remote_state *rs = get_remote_state ();
#ifdef DEPRECATED_REMOTE_BREAKPOINT
int val;
#endif
- int bp_size;
/* Try the "Z" s/w breakpoint packet if it is not already disabled.
If it succeeds, then set the support to PACKET_ENABLE. If it
fails, and the user has explicitly requested the Z support then
- report an error, otherwise, mark it disabled and go on. */
+ report an error, otherwise, mark it disabled and go on. */
- if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
+ if (remote_protocol_packets[PACKET_Z0].support != PACKET_DISABLE)
{
- char *buf = alloca (rs->remote_packet_size);
- char *p = buf;
+ char *p = rs->buf;
- addr = remote_address_masked (addr);
*(p++) = 'Z';
*(p++) = '0';
*(p++) = ',';
- p += hexnumstr (p, (ULONGEST) addr);
- BREAKPOINT_FROM_PC (&addr, &bp_size);
- sprintf (p, ",%d", bp_size);
+ BREAKPOINT_FROM_PC (&bp_tgt->placed_address, &bp_tgt->placed_size);
+ addr = (ULONGEST) remote_address_masked (bp_tgt->placed_address);
+ p += hexnumstr (p, addr);
+ sprintf (p, ",%d", bp_tgt->placed_size);
- putpkt (buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_SOFTWARE_BP]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z0]))
{
case PACKET_ERROR:
return -1;
}
#ifdef DEPRECATED_REMOTE_BREAKPOINT
- val = target_read_memory (addr, contents_cache, sizeof big_break_insn);
+ bp_tgt->placed_size = bp_tgt->shadow_len = sizeof big_break_insn;
+ val = target_read_memory (addr, bp_tgt->shadow_contents, bp_tgt->shadow_len);
if (val == 0)
{
return val;
#else
- return memory_insert_breakpoint (addr, contents_cache);
+ return memory_insert_breakpoint (bp_tgt);
#endif /* DEPRECATED_REMOTE_BREAKPOINT */
}
static int
-remote_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
+remote_remove_breakpoint (struct bp_target_info *bp_tgt)
{
+ CORE_ADDR addr = bp_tgt->placed_address;
struct remote_state *rs = get_remote_state ();
int bp_size;
- if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
+ if (remote_protocol_packets[PACKET_Z0].support != PACKET_DISABLE)
{
- char *buf = alloca (rs->remote_packet_size);
- char *p = buf;
+ char *p = rs->buf;
*(p++) = 'z';
*(p++) = '0';
*(p++) = ',';
- addr = remote_address_masked (addr);
- p += hexnumstr (p, (ULONGEST) addr);
- BREAKPOINT_FROM_PC (&addr, &bp_size);
- sprintf (p, ",%d", bp_size);
+ addr = (ULONGEST) remote_address_masked (bp_tgt->placed_address);
+ p += hexnumstr (p, addr);
+ sprintf (p, ",%d", bp_tgt->placed_size);
- putpkt (buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- return (buf[0] == 'E');
+ return (rs->buf[0] == 'E');
}
#ifdef DEPRECATED_REMOTE_BREAKPOINT
- return target_write_memory (addr, contents_cache, sizeof big_break_insn);
+ return target_write_memory (bp_tgt->placed_address, bp_tgt->shadow_contents,
+ bp_tgt->shadow_len);
#else
- return memory_remove_breakpoint (addr, contents_cache);
+ return memory_remove_breakpoint (bp_tgt);
#endif /* DEPRECATED_REMOTE_BREAKPOINT */
}
switch (type)
{
case hw_write:
- return 2;
+ return Z_PACKET_WRITE_WP;
break;
case hw_read:
- return 3;
+ return Z_PACKET_READ_WP;
break;
case hw_access:
- return 4;
+ return Z_PACKET_ACCESS_WP;
break;
default:
internal_error (__FILE__, __LINE__,
- "hw_bp_to_z: bad watchpoint type %d", type);
+ _("hw_bp_to_z: bad watchpoint type %d"), type);
}
}
remote_insert_watchpoint (CORE_ADDR addr, int len, int type)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
char *p;
enum Z_packet_type packet = watchpoint_to_Z_packet (type);
- if (remote_protocol_Z[packet].support == PACKET_DISABLE)
- error ("Can't set hardware watchpoints without the '%s' (%s) packet\n",
- remote_protocol_Z[packet].name,
- remote_protocol_Z[packet].title);
+ if (remote_protocol_packets[PACKET_Z0 + packet].support == PACKET_DISABLE)
+ return -1;
- sprintf (buf, "Z%x,", packet);
- p = strchr (buf, '\0');
+ sprintf (rs->buf, "Z%x,", packet);
+ p = strchr (rs->buf, '\0');
addr = remote_address_masked (addr);
p += hexnumstr (p, (ULONGEST) addr);
sprintf (p, ",%x", len);
- putpkt (buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- switch (packet_ok (buf, &remote_protocol_Z[packet]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z0 + packet]))
{
case PACKET_ERROR:
case PACKET_UNKNOWN:
return 0;
}
internal_error (__FILE__, __LINE__,
- "remote_insert_watchpoint: reached end of function");
+ _("remote_insert_watchpoint: reached end of function"));
}
remote_remove_watchpoint (CORE_ADDR addr, int len, int type)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
char *p;
enum Z_packet_type packet = watchpoint_to_Z_packet (type);
- if (remote_protocol_Z[packet].support == PACKET_DISABLE)
- error ("Can't clear hardware watchpoints without the '%s' (%s) packet\n",
- remote_protocol_Z[packet].name,
- remote_protocol_Z[packet].title);
+ if (remote_protocol_packets[PACKET_Z0 + packet].support == PACKET_DISABLE)
+ return -1;
- sprintf (buf, "z%x,", packet);
- p = strchr (buf, '\0');
+ sprintf (rs->buf, "z%x,", packet);
+ p = strchr (rs->buf, '\0');
addr = remote_address_masked (addr);
p += hexnumstr (p, (ULONGEST) addr);
sprintf (p, ",%x", len);
- putpkt (buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- switch (packet_ok (buf, &remote_protocol_Z[packet]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z0 + packet]))
{
case PACKET_ERROR:
case PACKET_UNKNOWN:
return 0;
}
internal_error (__FILE__, __LINE__,
- "remote_remove_watchpoint: reached end of function");
+ _("remote_remove_watchpoint: reached end of function"));
}
extern int stepped_after_stopped_by_watchpoint;
-static CORE_ADDR
-remote_stopped_data_address (void)
+static int
+remote_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p)
{
+ int rc = 0;
if (remote_stopped_by_watchpoint ()
|| stepped_after_stopped_by_watchpoint)
- return remote_watch_data_address;
- return (CORE_ADDR)0;
+ {
+ *addr_p = remote_watch_data_address;
+ rc = 1;
+ }
+
+ return rc;
}
static int
-remote_insert_hw_breakpoint (CORE_ADDR addr, char *shadow)
+remote_insert_hw_breakpoint (struct bp_target_info *bp_tgt)
{
- int len = 0;
+ CORE_ADDR addr;
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
- char *p = buf;
+ char *p = rs->buf;
/* The length field should be set to the size of a breakpoint
- instruction. */
+ instruction, even though we aren't inserting one ourselves. */
- BREAKPOINT_FROM_PC (&addr, &len);
+ BREAKPOINT_FROM_PC (&bp_tgt->placed_address, &bp_tgt->placed_size);
- 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,
- remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
+ if (remote_protocol_packets[PACKET_Z1].support == PACKET_DISABLE)
+ return -1;
*(p++) = 'Z';
*(p++) = '1';
*(p++) = ',';
- addr = remote_address_masked (addr);
+ addr = remote_address_masked (bp_tgt->placed_address);
p += hexnumstr (p, (ULONGEST) addr);
- sprintf (p, ",%x", len);
+ sprintf (p, ",%x", bp_tgt->placed_size);
- putpkt (buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z1]))
{
case PACKET_ERROR:
case PACKET_UNKNOWN:
return 0;
}
internal_error (__FILE__, __LINE__,
- "remote_insert_hw_breakpoint: reached end of function");
+ _("remote_insert_hw_breakpoint: reached end of function"));
}
static int
-remote_remove_hw_breakpoint (CORE_ADDR addr, char *shadow)
+remote_remove_hw_breakpoint (struct bp_target_info *bp_tgt)
{
- int len;
+ CORE_ADDR addr;
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
- char *p = buf;
+ char *p = rs->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,
- remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
+ if (remote_protocol_packets[PACKET_Z1].support == PACKET_DISABLE)
+ return -1;
*(p++) = 'z';
*(p++) = '1';
*(p++) = ',';
- addr = remote_address_masked (addr);
+ addr = remote_address_masked (bp_tgt->placed_address);
p += hexnumstr (p, (ULONGEST) addr);
- sprintf (p, ",%x", len);
+ sprintf (p, ",%x", bp_tgt->placed_size);
- putpkt(buf);
- getpkt (buf, (rs->remote_packet_size), 0);
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
- switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z1]))
{
case PACKET_ERROR:
case PACKET_UNKNOWN:
return 0;
}
internal_error (__FILE__, __LINE__,
- "remote_remove_hw_breakpoint: reached end of function");
+ _("remote_remove_hw_breakpoint: reached end of function"));
}
/* Some targets are only capable of doing downloads, and afterwards
void
push_remote_target (char *name, int from_tty)
{
- printf_filtered ("Switching to remote protocol\n");
+ printf_filtered (_("Switching to remote protocol\n"));
remote_open (name, from_tty);
}
-/* Table used by the crc32 function to calcuate the checksum. */
+/* Table used by the crc32 function to calcuate the checksum. */
static unsigned long crc32_table[256] =
{0, 0};
{
if (!crc32_table[1])
{
- /* Initialize the CRC table and the decoding table. */
+ /* Initialize the CRC table and the decoding table. */
int i, j;
unsigned int c;
/* FIXME: cagney/1999-10-26: This command should be broken down into a
target method (target verify memory) and generic version of the
actual command. This will allow other high-level code (especially
- generic_load()) to make use of this target functionality. */
+ generic_load()) to make use of this target functionality. */
static void
compare_sections_command (char *args, int from_tty)
char *tmp;
char *sectdata;
const char *sectname;
- char *buf = alloca (rs->remote_packet_size);
bfd_size_type size;
bfd_vma lma;
int matched = 0;
int mismatched = 0;
if (!exec_bfd)
- error ("command cannot be used without an exec file");
+ error (_("command cannot be used without an exec file"));
if (!current_target.to_shortname ||
strcmp (current_target.to_shortname, "remote") != 0)
- error ("command can only be used with remote target");
+ error (_("command can only be used with remote target"));
for (s = exec_bfd->sections; s; s = s->next)
{
matched = 1; /* do this section */
lma = s->lma;
- /* FIXME: assumes lma can fit into long */
- sprintf (buf, "qCRC:%lx,%lx", (long) lma, (long) size);
- putpkt (buf);
+ /* FIXME: assumes lma can fit into long. */
+ xsnprintf (rs->buf, get_remote_packet_size (), "qCRC:%lx,%lx",
+ (long) lma, (long) size);
+ putpkt (rs->buf);
- /* be clever; compute the host_crc before waiting for target reply */
+ /* Be clever; compute the host_crc before waiting for target
+ reply. */
sectdata = xmalloc (size);
old_chain = make_cleanup (xfree, sectdata);
bfd_get_section_contents (exec_bfd, s, sectdata, 0, size);
host_crc = crc32 ((unsigned char *) sectdata, size, 0xffffffff);
- getpkt (buf, (rs->remote_packet_size), 0);
- if (buf[0] == 'E')
- error ("target memory fault, section %s, range 0x%s -- 0x%s",
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ if (rs->buf[0] == 'E')
+ error (_("target memory fault, section %s, range 0x%s -- 0x%s"),
sectname, paddr (lma), paddr (lma + size));
- if (buf[0] != 'C')
- error ("remote target does not support this operation");
+ if (rs->buf[0] != 'C')
+ error (_("remote target does not support this operation"));
- for (target_crc = 0, tmp = &buf[1]; *tmp; tmp++)
+ for (target_crc = 0, tmp = &rs->buf[1]; *tmp; tmp++)
target_crc = target_crc * 16 + fromhex (*tmp);
printf_filtered ("Section %s, range 0x%s -- 0x%s: ",
do_cleanups (old_chain);
}
if (mismatched > 0)
- warning ("One or more sections of the remote executable does not match\n\
-the loaded file\n");
+ warning (_("One or more sections of the remote executable does not match\n\
+the loaded file\n"));
if (args && !matched)
- printf_filtered ("No loaded section named '%s'.\n", args);
+ printf_filtered (_("No loaded section named '%s'.\n"), args);
+}
+
+/* Read OBJECT_NAME/ANNEX from the remote target using a qXfer packet.
+ Data at OFFSET, of up to LEN bytes, is read into READBUF; the
+ number of bytes read is returned, or 0 for EOF, or -1 for error.
+ The number of bytes read may be less than LEN without indicating an
+ EOF. PACKET is checked and updated to indicate whether the remote
+ target supports this object. */
+
+static LONGEST
+remote_read_qxfer (struct target_ops *ops, const char *object_name,
+ const char *annex,
+ gdb_byte *readbuf, ULONGEST offset, LONGEST len,
+ struct packet_config *packet)
+{
+ static char *finished_object;
+ static char *finished_annex;
+ static ULONGEST finished_offset;
+
+ struct remote_state *rs = get_remote_state ();
+ unsigned int total = 0;
+ LONGEST i, n, packet_len;
+
+ if (packet->support == PACKET_DISABLE)
+ return -1;
+
+ /* Check whether we've cached an end-of-object packet that matches
+ this request. */
+ if (finished_object)
+ {
+ if (strcmp (object_name, finished_object) == 0
+ && strcmp (annex ? annex : "", finished_annex) == 0
+ && offset == finished_offset)
+ return 0;
+
+ /* Otherwise, we're now reading something different. Discard
+ the cache. */
+ xfree (finished_object);
+ xfree (finished_annex);
+ finished_object = NULL;
+ finished_annex = NULL;
+ }
+
+ /* Request only enough to fit in a single packet. The actual data
+ may not, since we don't know how much of it will need to be escaped;
+ the target is free to respond with slightly less data. We subtract
+ five to account for the response type and the protocol frame. */
+ n = min (get_remote_packet_size () - 5, len);
+ snprintf (rs->buf, get_remote_packet_size () - 4, "qXfer:%s:read:%s:%s,%s",
+ object_name, annex ? annex : "",
+ phex_nz (offset, sizeof offset),
+ phex_nz (n, sizeof n));
+ i = putpkt (rs->buf);
+ if (i < 0)
+ return -1;
+
+ rs->buf[0] = '\0';
+ packet_len = getpkt_sane (&rs->buf, &rs->buf_size, 0);
+ if (packet_len < 0 || packet_ok (rs->buf, packet) != PACKET_OK)
+ return -1;
+
+ if (rs->buf[0] != 'l' && rs->buf[0] != 'm')
+ error (_("Unknown remote qXfer reply: %s"), rs->buf);
+
+ /* 'm' means there is (or at least might be) more data after this
+ batch. That does not make sense unless there's at least one byte
+ of data in this reply. */
+ if (rs->buf[0] == 'm' && packet_len == 1)
+ error (_("Remote qXfer reply contained no data."));
+
+ /* Got some data. */
+ i = remote_unescape_input (rs->buf + 1, packet_len - 1, readbuf, n);
+
+ /* 'l' is an EOF marker, possibly including a final block of data,
+ or possibly empty. Record it to bypass the next read, if one is
+ issued. */
+ if (rs->buf[0] == 'l')
+ {
+ finished_object = xstrdup (object_name);
+ finished_annex = xstrdup (annex ? annex : "");
+ finished_offset = offset + i;
+ }
+
+ return i;
}
static LONGEST
remote_xfer_partial (struct target_ops *ops, enum target_object object,
- const char *annex, void *readbuf, const void *writebuf,
- ULONGEST offset, LONGEST len)
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
{
struct remote_state *rs = get_remote_state ();
int i;
- char *buf2 = alloca (rs->remote_packet_size);
- char *p2 = &buf2[0];
+ char *p2;
char query_type;
- /* Only handle reads. */
- if (writebuf != NULL || readbuf == NULL)
- return -1;
+ /* Handle memory using the standard memory routines. */
+ if (object == TARGET_OBJECT_MEMORY)
+ {
+ int xfered;
+ errno = 0;
+
+ if (writebuf != NULL)
+ xfered = remote_write_bytes (offset, writebuf, len);
+ else
+ xfered = remote_read_bytes (offset, readbuf, len);
+
+ if (xfered > 0)
+ return xfered;
+ else if (xfered == 0 && errno == 0)
+ return 0;
+ else
+ return -1;
+ }
+
+ /* Only handle flash writes. */
+ if (writebuf != NULL)
+ {
+ LONGEST xfered;
+
+ switch (object)
+ {
+ case TARGET_OBJECT_FLASH:
+ xfered = remote_flash_write (ops, offset, len, writebuf);
+
+ if (xfered > 0)
+ return xfered;
+ else if (xfered == 0 && errno == 0)
+ return 0;
+ else
+ return -1;
+
+ default:
+ return -1;
+ }
+ }
/* Map pre-existing objects onto letters. DO NOT do this for new
objects!!! Instead specify new query packets. */
switch (object)
{
- case TARGET_OBJECT_KOD:
- query_type = 'K';
- break;
case TARGET_OBJECT_AVR:
query_type = 'R';
break;
case TARGET_OBJECT_AUXV:
- if (remote_protocol_qPart_auxv.support != PACKET_DISABLE)
- {
- unsigned int total = 0;
- while (len > 0)
- {
- LONGEST n = min ((rs->remote_packet_size - 2) / 2, len);
- snprintf (buf2, rs->remote_packet_size,
- "qPart:auxv:read::%s,%s",
- phex_nz (offset, sizeof offset),
- phex_nz (n, sizeof n));
- i = putpkt (buf2);
- if (i < 0)
- return total > 0 ? total : i;
- buf2[0] = '\0';
- getpkt (buf2, rs->remote_packet_size, 0);
- if (packet_ok (buf2, &remote_protocol_qPart_auxv) != PACKET_OK)
- return total > 0 ? total : -1;
- if (buf2[0] == 'O' && buf2[1] == 'K' && buf2[2] == '\0')
- break; /* Got EOF indicator. */
- /* Got some data. */
- i = hex2bin (buf2, readbuf, len);
- if (i > 0)
- {
- readbuf = (void *) ((char *) readbuf + i);
- offset += i;
- len -= i;
- total += i;
- }
- }
- return total;
- }
- return -1;
+ gdb_assert (annex == NULL);
+ return remote_read_qxfer (ops, "auxv", annex, readbuf, offset, len,
+ &remote_protocol_packets[PACKET_qXfer_auxv]);
+
+ case TARGET_OBJECT_MEMORY_MAP:
+ gdb_assert (annex == NULL);
+ return remote_read_qxfer (ops, "memory-map", annex, readbuf, offset, len,
+ &remote_protocol_packets[PACKET_qXfer_memory_map]);
default:
return -1;
/* Note: a zero OFFSET and LEN can be used to query the minimum
buffer size. */
if (offset == 0 && len == 0)
- return (rs->remote_packet_size);
- /* Minimum outbuf size is (rs->remote_packet_size) - if bufsiz is
- not large enough let the caller. */
- if (len < (rs->remote_packet_size))
+ return (get_remote_packet_size ());
+ /* Minimum outbuf size is get_remote_packet_size (). If LEN is not
+ large enough let the caller deal with it. */
+ if (len < get_remote_packet_size ())
return -1;
- len = rs->remote_packet_size;
+ len = get_remote_packet_size ();
- /* except for querying the minimum buffer size, target must be open */
+ /* Except for querying the minimum buffer size, target must be open. */
if (!remote_desc)
- error ("remote query is only available after target open");
+ error (_("remote query is only available after target open"));
gdb_assert (annex != NULL);
gdb_assert (readbuf != NULL);
+ p2 = rs->buf;
*p2++ = 'q';
*p2++ = query_type;
- /* we used one buffer char for the remote protocol q command and another
- for the query type. As the remote protocol encapsulation uses 4 chars
- plus one extra in case we are debugging (remote_debug),
- we have PBUFZIZ - 7 left to pack the query string */
+ /* We used one buffer char for the remote protocol q command and
+ another for the query type. As the remote protocol encapsulation
+ uses 4 chars plus one extra in case we are debugging
+ (remote_debug), we have PBUFZIZ - 7 left to pack the query
+ string. */
i = 0;
- while (annex[i] && (i < ((rs->remote_packet_size) - 8)))
+ while (annex[i] && (i < (get_remote_packet_size () - 8)))
{
/* Bad caller may have sent forbidden characters. */
gdb_assert (isprint (annex[i]) && annex[i] != '$' && annex[i] != '#');
*p2 = '\0';
gdb_assert (annex[i] == '\0');
- i = putpkt (buf2);
+ i = putpkt (rs->buf);
if (i < 0)
return i;
- getpkt (readbuf, len, 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ strcpy ((char *) readbuf, rs->buf);
- return strlen (readbuf);
+ return strlen ((char *) readbuf);
}
static void
struct ui_file *outbuf)
{
struct remote_state *rs = get_remote_state ();
- int i;
- char *buf = alloca (rs->remote_packet_size);
- char *p = buf;
+ char *p = rs->buf;
if (!remote_desc)
- error ("remote rcmd is only available after target open");
+ error (_("remote rcmd is only available after target open"));
- /* Send a NULL command across as an empty command */
+ /* Send a NULL command across as an empty command. */
if (command == NULL)
command = "";
- /* The query prefix */
- strcpy (buf, "qRcmd,");
- p = strchr (buf, '\0');
+ /* The query prefix. */
+ strcpy (rs->buf, "qRcmd,");
+ p = strchr (rs->buf, '\0');
- if ((strlen (buf) + strlen (command) * 2 + 8/*misc*/) > (rs->remote_packet_size))
- error ("\"monitor\" command ``%s'' is too long\n", command);
+ if ((strlen (rs->buf) + strlen (command) * 2 + 8/*misc*/) > get_remote_packet_size ())
+ error (_("\"monitor\" command ``%s'' is too long."), command);
- /* Encode the actual command */
- bin2hex (command, p, 0);
+ /* Encode the actual command. */
+ bin2hex ((gdb_byte *) command, p, 0);
- if (putpkt (buf) < 0)
- error ("Communication problem with target\n");
+ if (putpkt (rs->buf) < 0)
+ error (_("Communication problem with target."));
/* get/display the response */
while (1)
{
- /* XXX - see also tracepoint.c:remote_get_noisy_reply() */
- buf[0] = '\0';
- getpkt (buf, (rs->remote_packet_size), 0);
+ char *buf;
+
+ /* XXX - see also tracepoint.c:remote_get_noisy_reply(). */
+ rs->buf[0] = '\0';
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ buf = rs->buf;
if (buf[0] == '\0')
- error ("Target does not support this command\n");
+ error (_("Target does not support this command."));
if (buf[0] == 'O' && buf[1] != 'K')
{
- remote_console_output (buf + 1); /* 'O' message from stub */
+ remote_console_output (buf + 1); /* 'O' message from stub. */
continue;
}
if (strcmp (buf, "OK") == 0)
if (strlen (buf) == 3 && buf[0] == 'E'
&& isdigit (buf[1]) && isdigit (buf[2]))
{
- error ("Protocol error with Rcmd");
+ error (_("Protocol error with Rcmd"));
}
for (p = buf; p[0] != '\0' && p[1] != '\0'; p += 2)
{
}
}
+static VEC(mem_region_s) *
+remote_memory_map (struct target_ops *ops)
+{
+ VEC(mem_region_s) *result = NULL;
+ char *text = target_read_stralloc (¤t_target,
+ TARGET_OBJECT_MEMORY_MAP, NULL);
+
+ if (text)
+ {
+ struct cleanup *back_to = make_cleanup (xfree, text);
+ result = parse_memory_map (text);
+ do_cleanups (back_to);
+ }
+
+ return result;
+}
+
static void
packet_command (char *args, int from_tty)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
if (!remote_desc)
- error ("command can only be used with remote target");
+ error (_("command can only be used with remote target"));
if (!args)
- error ("remote-packet command requires packet text as argument");
+ error (_("remote-packet command requires packet text as argument"));
puts_filtered ("sending: ");
print_packet (args);
puts_filtered ("\n");
putpkt (args);
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
puts_filtered ("received: ");
- print_packet (buf);
+ print_packet (rs->buf);
puts_filtered ("\n");
}
#if 0
-/* --------- UNIT_TEST for THREAD oriented PACKETS ------------------------- */
+/* --------- UNIT_TEST for THREAD oriented PACKETS ------------------- */
static void display_thread_info (struct gdb_ext_thread_info *info);
static void threadlist_test_cmd (char *cmd, int tty);
-int get_and_display_threadinfo (threadref * ref);
+int get_and_display_threadinfo (threadref *ref);
static void threadinfo_test_cmd (char *cmd, int tty);
-static int thread_display_step (threadref * ref, void *context);
+static int thread_display_step (threadref *ref, void *context);
static void threadlist_update_test_cmd (char *cmd, int tty);
static void init_remote_threadtests (void);
-#define SAMPLE_THREAD 0x05060708 /* Truncated 64 bit threadid */
+#define SAMPLE_THREAD 0x05060708 /* Truncated 64 bit threadid. */
static void
threadset_test_cmd (char *cmd, int tty)
{
int sample_thread = SAMPLE_THREAD;
- printf_filtered ("Remote threadset test\n");
+ printf_filtered (_("Remote threadset test\n"));
set_thread (sample_thread, 1);
}
printf_filtered ("FAIL: Thread alive test\n");
}
-void output_threadid (char *title, threadref * ref);
+void output_threadid (char *title, threadref *ref);
void
output_threadid (char *title, threadref *ref)
{
char hexid[20];
- pack_threadid (&hexid[0], ref); /* Convert threead id into hex */
+ pack_threadid (&hexid[0], ref); /* Convert threead id into hex. */
hexid[16] = 0;
printf_filtered ("%s %s\n", title, (&hexid[0]));
}
static void
init_remote_threadtests (void)
{
- add_com ("tlist", class_obscure, threadlist_test_cmd,
- "Fetch and print the remote list of thread identifiers, one pkt only");
+ add_com ("tlist", class_obscure, threadlist_test_cmd, _("\
+Fetch and print the remote list of thread identifiers, one pkt only"));
add_com ("tinfo", class_obscure, threadinfo_test_cmd,
- "Fetch and display info about one thread");
+ _("Fetch and display info about one thread"));
add_com ("tset", class_obscure, threadset_test_cmd,
- "Test setting to a different thread");
+ _("Test setting to a different thread"));
add_com ("tupd", class_obscure, threadlist_update_test_cmd,
- "Iterate through updating all remote thread info");
+ _("Iterate through updating all remote thread info"));
add_com ("talive", class_obscure, threadalive_test,
- " Remote thread alive test ");
+ _(" Remote thread alive test "));
}
#endif /* 0 */
static char *
remote_pid_to_str (ptid_t ptid)
{
- static char buf[30];
+ static char buf[32];
- sprintf (buf, "Thread %d", PIDGET (ptid));
+ xsnprintf (buf, sizeof buf, "Thread %d", ptid_get_pid (ptid));
return buf;
}
+/* Get the address of the thread local variable in OBJFILE which is
+ stored at OFFSET within the thread local storage for thread PTID. */
+
+static CORE_ADDR
+remote_get_thread_local_address (ptid_t ptid, CORE_ADDR lm, CORE_ADDR offset)
+{
+ if (remote_protocol_packets[PACKET_qGetTLSAddr].support != PACKET_DISABLE)
+ {
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ enum packet_result result;
+
+ strcpy (p, "qGetTLSAddr:");
+ p += strlen (p);
+ p += hexnumstr (p, PIDGET (ptid));
+ *p++ = ',';
+ p += hexnumstr (p, offset);
+ *p++ = ',';
+ p += hexnumstr (p, lm);
+ *p++ = '\0';
+
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ result = packet_ok (rs->buf, &remote_protocol_packets[PACKET_qGetTLSAddr]);
+ if (result == PACKET_OK)
+ {
+ ULONGEST result;
+
+ unpack_varlen_hex (rs->buf, &result);
+ return result;
+ }
+ else if (result == PACKET_UNKNOWN)
+ throw_error (TLS_GENERIC_ERROR,
+ _("Remote target doesn't support qGetTLSAddr packet"));
+ else
+ throw_error (TLS_GENERIC_ERROR,
+ _("Remote target failed to process qGetTLSAddr request"));
+ }
+ else
+ throw_error (TLS_GENERIC_ERROR,
+ _("TLS not supported or disabled on this target"));
+ /* Not reached. */
+ return 0;
+}
+
static void
init_remote_ops (void)
{
remote_ops.to_fetch_registers = remote_fetch_registers;
remote_ops.to_store_registers = remote_store_registers;
remote_ops.to_prepare_to_store = remote_prepare_to_store;
- remote_ops.to_xfer_memory = remote_xfer_memory;
+ remote_ops.deprecated_xfer_memory = remote_xfer_memory;
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_stop = remote_stop;
remote_ops.to_xfer_partial = remote_xfer_partial;
remote_ops.to_rcmd = remote_rcmd;
+ remote_ops.to_get_thread_local_address = remote_get_thread_local_address;
remote_ops.to_stratum = process_stratum;
remote_ops.to_has_all_memory = 1;
remote_ops.to_has_memory = 1;
remote_ops.to_has_execution = 1;
remote_ops.to_has_thread_control = tc_schedlock; /* can lock scheduler */
remote_ops.to_magic = OPS_MAGIC;
+ remote_ops.to_memory_map = remote_memory_map;
+ remote_ops.to_flash_erase = remote_flash_erase;
+ remote_ops.to_flash_done = remote_flash_done;
}
/* Set up the extended remote vector by making a copy of the standard
static int
remote_can_async_p (void)
{
- /* We're async whenever the serial device is. */
+ /* We're async whenever the serial device is. */
return (current_target.to_async_mask_value) && serial_can_async_p (remote_desc);
}
static int
remote_is_async_p (void)
{
- /* We're async whenever the serial device is. */
+ /* We're async whenever the serial device is. */
return (current_target.to_async_mask_value) && serial_is_async_p (remote_desc);
}
/* Pass the SERIAL event on and up to the client. One day this code
will be able to delay notifying the client of an event until the
- point where an entire packet has been received. */
+ point where an entire packet has been received. */
-static void (*async_client_callback) (enum inferior_event_type event_type, void *context);
+static void (*async_client_callback) (enum inferior_event_type event_type,
+ void *context);
static void *async_client_context;
static serial_event_ftype remote_async_serial_handler;
}
static void
-remote_async (void (*callback) (enum inferior_event_type event_type, void *context), void *context)
+remote_async (void (*callback) (enum inferior_event_type event_type,
+ void *context), void *context)
{
if (current_target.to_async_mask_value == 0)
internal_error (__FILE__, __LINE__,
- "Calling remote_async when async is masked");
+ _("Calling remote_async when async is masked"));
if (callback != NULL)
{
This are temporary targets, until it is all tested. Eventually
async support will be incorporated int the usual 'remote'
- target. */
+ target. */
static void
init_remote_async_ops (void)
{
remote_async_ops.to_shortname = "async";
- remote_async_ops.to_longname = "Remote serial target in async version of the gdb-specific protocol";
+ remote_async_ops.to_longname =
+ "Remote serial target in async version of the gdb-specific protocol";
remote_async_ops.to_doc =
"Use a remote computer via a serial line, using a gdb-specific protocol.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
remote_async_ops.to_fetch_registers = remote_fetch_registers;
remote_async_ops.to_store_registers = remote_store_registers;
remote_async_ops.to_prepare_to_store = remote_prepare_to_store;
- remote_async_ops.to_xfer_memory = remote_xfer_memory;
+ remote_async_ops.deprecated_xfer_memory = remote_xfer_memory;
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_async = remote_async;
remote_async_ops.to_async_mask_value = 1;
remote_async_ops.to_magic = OPS_MAGIC;
+ remote_async_ops.to_memory_map = remote_memory_map;
+ remote_async_ops.to_flash_erase = remote_flash_erase;
+ remote_async_ops.to_flash_done = remote_flash_done;
}
/* Set up the async extended remote vector by making a copy of the standard
static void
set_remote_cmd (char *args, int from_tty)
{
+ help_list (remote_set_cmdlist, "set remote ", -1, gdb_stdout);
}
static void
show_remote_cmd (char *args, int 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_P_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_vcont_packet_cmd (args, from_tty, NULL);
- show_remote_protocol_binary_download_cmd (args, from_tty, NULL);
- show_remote_protocol_qPart_auxv_packet_cmd (args, from_tty, NULL);
+ /* We can't just use cmd_show_list here, because we want to skip
+ the redundant "show remote Z-packet" and the legacy aliases. */
+ struct cleanup *showlist_chain;
+ struct cmd_list_element *list = remote_show_cmdlist;
+
+ showlist_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "showlist");
+ for (; list != NULL; list = list->next)
+ if (strcmp (list->name, "Z-packet") == 0)
+ continue;
+ else if (list->type == not_set_cmd)
+ /* Alias commands are exactly like the original, except they
+ don't have the normal type. */
+ continue;
+ else
+ {
+ struct cleanup *option_chain
+ = make_cleanup_ui_out_tuple_begin_end (uiout, "option");
+ ui_out_field_string (uiout, "name", list->name);
+ ui_out_text (uiout, ": ");
+ if (list->type == show_cmd)
+ do_setshow_command ((char *) NULL, from_tty, list);
+ else
+ cmd_func (list, NULL, from_tty);
+ /* Close the tuple. */
+ do_cleanups (option_chain);
+ }
+
+ /* Close the tuple. */
+ do_cleanups (showlist_chain);
}
static void
remote_address_size = TARGET_ADDR_BIT;
}
-/* Saved pointer to previous owner of the new_objfile event. */
+/* Saved pointer to previous owner of the new_objfile event. */
static void (*remote_new_objfile_chain) (struct objfile *);
-/* Function to be called whenever a new objfile (shlib) is detected. */
+/* Function to be called whenever a new objfile (shlib) is detected. */
static void
remote_new_objfile (struct objfile *objfile)
{
- if (remote_desc != 0) /* Have a remote connection */
+ if (remote_desc != 0) /* Have a remote connection. */
{
remote_check_symbols (objfile);
}
- /* Call predecessor on chain, if any. */
- if (remote_new_objfile_chain != 0 &&
- remote_desc == 0)
+ /* Call predecessor on chain, if any. */
+ if (remote_new_objfile_chain)
remote_new_objfile_chain (objfile);
}
void
_initialize_remote (void)
{
- static struct cmd_list_element *remote_set_cmdlist;
- static struct cmd_list_element *remote_show_cmdlist;
- struct cmd_list_element *tmpcmd;
+ struct remote_state *rs;
/* architecture specific data */
- remote_gdbarch_data_handle = gdbarch_data_register_post_init (init_remote_state);
+ remote_gdbarch_data_handle =
+ gdbarch_data_register_post_init (init_remote_state);
/* Old tacky stuff. NOTE: This comes after the remote protocol so
that the remote protocol has been initialized. */
DEPRECATED_REGISTER_GDBARCH_SWAP (remote_address_size);
deprecated_register_gdbarch_swap (NULL, 0, build_remote_gdbarch_data);
+ /* Initialize the per-target state. At the moment there is only one
+ of these, not one per target. Only one target is active at a
+ time. The default buffer size is unimportant; it will be expanded
+ whenever a larger buffer is needed. */
+ rs = get_remote_state_raw ();
+ rs->buf_size = 400;
+ rs->buf = xmalloc (rs->buf_size);
+
init_remote_ops ();
add_target (&remote_ops);
init_remote_threadtests ();
#endif
- /* set/show remote ... */
+ /* set/show remote ... */
- add_prefix_cmd ("remote", class_maintenance, set_remote_cmd, "\
+ add_prefix_cmd ("remote", class_maintenance, set_remote_cmd, _("\
Remote protocol specific variables\n\
Configure various remote-protocol specific variables such as\n\
-the packets being used",
+the packets being used"),
&remote_set_cmdlist, "set remote ",
- 0/*allow-unknown*/, &setlist);
- add_prefix_cmd ("remote", class_maintenance, show_remote_cmd, "\
+ 0 /* allow-unknown */, &setlist);
+ add_prefix_cmd ("remote", class_maintenance, show_remote_cmd, _("\
Remote protocol specific variables\n\
Configure various remote-protocol specific variables such as\n\
-the packets being used",
+the packets being used"),
&remote_show_cmdlist, "show remote ",
- 0/*allow-unknown*/, &showlist);
+ 0 /* allow-unknown */, &showlist);
- add_cmd ("compare-sections", class_obscure, compare_sections_command,
- "Compare section data on target to the exec file.\n\
-Argument is a single section name (default: all loaded sections).",
+ add_cmd ("compare-sections", class_obscure, compare_sections_command, _("\
+Compare section data on target to the exec file.\n\
+Argument is a single section name (default: all loaded sections)."),
&cmdlist);
- add_cmd ("packet", class_maintenance, packet_command,
- "Send an arbitrary packet to a remote target.\n\
+ add_cmd ("packet", class_maintenance, packet_command, _("\
+Send an arbitrary packet to a remote target.\n\
maintenance packet TEXT\n\
If GDB is talking to an inferior via the GDB serial protocol, then\n\
this command sends the string TEXT to the inferior, and displays the\n\
response packet. GDB supplies the initial `$' character, and the\n\
-terminating `#' character and checksum.",
+terminating `#' character and checksum."),
&maintenancelist);
- add_setshow_boolean_cmd ("remotebreak", no_class, &remote_break, "\
-Set whether to send break if interrupted.", "\
-Show whether to send break if interrupted.", "\
-If set, a break, instead of a cntrl-c, is sent to the remote target.", "\
-Whether to send break if interrupted is %s.",
- NULL, NULL,
+ add_setshow_boolean_cmd ("remotebreak", no_class, &remote_break, _("\
+Set whether to send break if interrupted."), _("\
+Show whether to send break if interrupted."), _("\
+If set, a break, instead of a cntrl-c, is sent to the remote target."),
+ NULL, NULL, /* FIXME: i18n: Whether to send break if interrupted is %s. */
&setlist, &showlist);
- /* Install commands for configuring memory read/write packets. */
+ /* Install commands for configuring memory read/write packets. */
- add_cmd ("remotewritesize", no_class, set_memory_write_packet_size,
- "Set the maximum number of bytes per memory write packet (deprecated).\n",
+ add_cmd ("remotewritesize", no_class, set_memory_write_packet_size, _("\
+Set the maximum number of bytes per memory write packet (deprecated)."),
&setlist);
- add_cmd ("remotewritesize", no_class, show_memory_write_packet_size,
- "Show the maximum number of bytes per memory write packet (deprecated).\n",
+ add_cmd ("remotewritesize", no_class, show_memory_write_packet_size, _("\
+Show the maximum number of bytes per memory write packet (deprecated)."),
&showlist);
add_cmd ("memory-write-packet-size", no_class,
- set_memory_write_packet_size,
- "Set the maximum number of bytes per memory-write packet.\n"
- "Specify the number of bytes in a packet or 0 (zero) for the\n"
- "default packet size. The actual limit is further reduced\n"
- "dependent on the target. Specify ``fixed'' to disable the\n"
- "further restriction and ``limit'' to enable that restriction\n",
+ set_memory_write_packet_size, _("\
+Set the maximum number of bytes per memory-write packet.\n\
+Specify the number of bytes in a packet or 0 (zero) for the\n\
+default packet size. The actual limit is further reduced\n\
+dependent on the target. Specify ``fixed'' to disable the\n\
+further restriction and ``limit'' to enable that restriction."),
&remote_set_cmdlist);
add_cmd ("memory-read-packet-size", no_class,
- set_memory_read_packet_size,
- "Set the maximum number of bytes per memory-read packet.\n"
- "Specify the number of bytes in a packet or 0 (zero) for the\n"
- "default packet size. The actual limit is further reduced\n"
- "dependent on the target. Specify ``fixed'' to disable the\n"
- "further restriction and ``limit'' to enable that restriction\n",
+ set_memory_read_packet_size, _("\
+Set the maximum number of bytes per memory-read packet.\n\
+Specify the number of bytes in a packet or 0 (zero) for the\n\
+default packet size. The actual limit is further reduced\n\
+dependent on the target. Specify ``fixed'' to disable the\n\
+further restriction and ``limit'' to enable that restriction."),
&remote_set_cmdlist);
add_cmd ("memory-write-packet-size", no_class,
show_memory_write_packet_size,
- "Show the maximum number of bytes per memory-write packet.\n",
+ _("Show the maximum number of bytes per memory-write packet."),
&remote_show_cmdlist);
add_cmd ("memory-read-packet-size", no_class,
show_memory_read_packet_size,
- "Show the maximum number of bytes per memory-read packet.\n",
+ _("Show the maximum number of bytes per memory-read packet."),
&remote_show_cmdlist);
add_setshow_zinteger_cmd ("hardware-watchpoint-limit", no_class,
- &remote_hw_watchpoint_limit, "\
-Set the maximum number of target hardware watchpoints.", "\
-Show the maximum number of target hardware watchpoints.", "\
-Specify a negative limit for unlimited.", "\
-The maximum number of target hardware watchpoints is %s.",
- NULL, NULL,
+ &remote_hw_watchpoint_limit, _("\
+Set the maximum number of target hardware watchpoints."), _("\
+Show the maximum number of target hardware watchpoints."), _("\
+Specify a negative limit for unlimited."),
+ NULL, NULL, /* FIXME: i18n: The maximum number of target hardware watchpoints is %s. */
&remote_set_cmdlist, &remote_show_cmdlist);
add_setshow_zinteger_cmd ("hardware-breakpoint-limit", no_class,
- &remote_hw_breakpoint_limit, "\
-Set the maximum number of target hardware breakpoints.", "\
-Show the maximum number of target hardware breakpoints.", "\
-Specify a negative limit for unlimited.", "\
-The maximum number of target hardware breakpoints is %s.",
- NULL, NULL,
+ &remote_hw_breakpoint_limit, _("\
+Set the maximum number of target hardware breakpoints."), _("\
+Show the maximum number of target hardware breakpoints."), _("\
+Specify a negative limit for unlimited."),
+ NULL, NULL, /* FIXME: i18n: The maximum number of target hardware breakpoints is %s. */
&remote_set_cmdlist, &remote_show_cmdlist);
- deprecated_add_show_from_set
- (add_set_cmd ("remoteaddresssize", class_obscure,
- var_integer, (char *) &remote_address_size,
- "Set the maximum size of the address (in bits) \
-in a memory packet.\n",
- &setlist),
- &showlist);
-
- add_packet_config_cmd (&remote_protocol_binary_download,
- "X", "binary-download",
- set_remote_protocol_binary_download_cmd,
- show_remote_protocol_binary_download_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 1);
-#if 0
- /* XXXX - should ``set remotebinarydownload'' be retained for
- compatibility. */
- deprecated_add_show_from_set
- (add_set_cmd ("remotebinarydownload", no_class,
- var_boolean, (char *) &remote_binary_download,
- "Set binary downloads.\n", &setlist),
- &showlist);
-#endif
+ add_setshow_integer_cmd ("remoteaddresssize", class_obscure,
+ &remote_address_size, _("\
+Set the maximum size of the address (in bits) in a memory packet."), _("\
+Show the maximum size of the address (in bits) in a memory packet."), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
- add_packet_config_cmd (&remote_protocol_vcont,
- "vCont", "verbose-resume",
- set_remote_protocol_vcont_packet_cmd,
- show_remote_protocol_vcont_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_X],
+ "X", "binary-download", 1);
- add_packet_config_cmd (&remote_protocol_qSymbol,
- "qSymbol", "symbol-lookup",
- set_remote_protocol_qSymbol_packet_cmd,
- show_remote_protocol_qSymbol_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vCont],
+ "vCont", "verbose-resume", 0);
- add_packet_config_cmd (&remote_protocol_P,
- "P", "set-register",
- set_remote_protocol_P_packet_cmd,
- show_remote_protocol_P_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 1);
-
- add_packet_config_cmd (&remote_protocol_p,
- "p", "fetch-register",
- set_remote_protocol_p_packet_cmd,
- show_remote_protocol_p_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 1);
-
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP],
- "Z0", "software-breakpoint",
- set_remote_protocol_Z_software_bp_packet_cmd,
- show_remote_protocol_Z_software_bp_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_QPassSignals],
+ "QPassSignals", "pass-signals", 0);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP],
- "Z1", "hardware-breakpoint",
- set_remote_protocol_Z_hardware_bp_packet_cmd,
- show_remote_protocol_Z_hardware_bp_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qSymbol],
+ "qSymbol", "symbol-lookup", 0);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP],
- "Z2", "write-watchpoint",
- set_remote_protocol_Z_write_wp_packet_cmd,
- show_remote_protocol_Z_write_wp_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_P],
+ "P", "set-register", 1);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP],
- "Z3", "read-watchpoint",
- set_remote_protocol_Z_read_wp_packet_cmd,
- show_remote_protocol_Z_read_wp_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_p],
+ "p", "fetch-register", 1);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP],
- "Z4", "access-watchpoint",
- set_remote_protocol_Z_access_wp_packet_cmd,
- show_remote_protocol_Z_access_wp_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
- 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z0],
+ "Z0", "software-breakpoint", 0);
- add_packet_config_cmd (&remote_protocol_qPart_auxv,
- "qPart_auxv", "read-aux-vector",
- set_remote_protocol_qPart_auxv_packet_cmd,
- show_remote_protocol_qPart_auxv_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z1],
+ "Z1", "hardware-breakpoint", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z2],
+ "Z2", "write-watchpoint", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z3],
+ "Z3", "read-watchpoint", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z4],
+ "Z4", "access-watchpoint", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qXfer_auxv],
+ "qXfer:auxv:read", "read-aux-vector", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qXfer_memory_map],
+ "qXfer:memory-map:read", "memory-map", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qGetTLSAddr],
+ "qGetTLSAddr", "get-thread-local-storage-address",
0);
- /* Keep the old ``set remote Z-packet ...'' working. */
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qSupported],
+ "qSupported", "supported-packets", 0);
+
+ /* Keep the old ``set remote Z-packet ...'' working. Each individual
+ Z sub-packet has its own set and show commands, but users may
+ have sets to this variable in their .gdbinit files (or in their
+ documentation). */
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 ", "\
+ &remote_Z_packet_detect, _("\
+Set use of remote protocol `Z' packets"), _("\
+Show use of remote protocol `Z' packets "), _("\
When set, GDB will attempt to use the remote breakpoint and watchpoint\n\
-packets.", "\
-Use of remote protocol `Z' packets is %s",
+packets."),
set_remote_protocol_Z_packet_cmd,
- show_remote_protocol_Z_packet_cmd,
+ show_remote_protocol_Z_packet_cmd, /* FIXME: i18n: Use of remote protocol `Z' packets is %s. */
&remote_set_cmdlist, &remote_show_cmdlist);
/* Eventually initialize fileio. See fileio.c */