static void print_packet (char *);
-static unsigned long crc32 (unsigned char *, int, unsigned int);
-
static void compare_sections_command (char *, int);
static void packet_command (char *, int);
QUIT; /* allow user to bail out with ^C */
getpkt (buf_p, sizeof_buf, 0);
buf = *buf_p;
- if (buf[0] == 0)
- error (_("Target does not support this command."));
- else if (buf[0] == 'E')
+ if (buf[0] == 'E')
trace_error (buf);
- else if (buf[0] == 'O' &&
- buf[1] != 'K')
+ else if (buf[0] == 'O' && buf[1] != 'K')
remote_console_output (buf + 1); /* 'O' message from stub */
else
return buf; /* here's the actual reply */
PACKET_qXfer_spu_write,
PACKET_qXfer_osdata,
PACKET_qXfer_threads,
+ PACKET_qGetTIBAddr,
PACKET_qGetTLSAddr,
PACKET_qSupported,
PACKET_QPassSignals,
PACKET_FastTracepoints,
PACKET_bc,
PACKET_bs,
+ PACKET_TracepointSource,
PACKET_MAX
};
struct threads_parsing_context *data = user_data;
if (body_text && *body_text)
- VEC_last (thread_item_t, data->items)->extra = strdup (body_text);
+ VEC_last (thread_item_t, data->items)->extra = xstrdup (body_text);
}
const struct gdb_xml_attribute thread_attributes[] = {
/* Possibly the target has been engaged in a trace run started
previously; find out where things are at. */
- if (rs->disconnected_tracing)
+ if (remote_get_trace_status (current_trace_status ()) != -1)
{
struct uploaded_tp *uploaded_tps = NULL;
struct uploaded_tsv *uploaded_tsvs = NULL;
- remote_get_trace_status (current_trace_status ());
if (current_trace_status ()->running)
printf_filtered (_("Trace is already running on the target.\n"));
PACKET_bc },
{ "ReverseStep", PACKET_DISABLE, remote_supported_packet,
PACKET_bs },
+ { "TracepointSource", PACKET_DISABLE, remote_supported_packet,
+ PACKET_TracepointSource },
};
+static char *remote_support_xml;
+
+/* Register string appended to "xmlRegisters=" in qSupported query. */
+
+void
+register_remote_support_xml (const char *xml ATTRIBUTE_UNUSED)
+{
+#if defined(HAVE_LIBEXPAT)
+ if (remote_support_xml == NULL)
+ remote_support_xml = concat ("xmlRegisters=", xml, NULL);
+ else
+ {
+ char *copy = xstrdup (remote_support_xml + 13);
+ char *p = strtok (copy, ",");
+
+ do
+ {
+ if (strcmp (p, xml) == 0)
+ {
+ /* already there */
+ xfree (copy);
+ return;
+ }
+ }
+ while ((p = strtok (NULL, ",")) != NULL);
+ xfree (copy);
+
+ p = concat (remote_support_xml, ",", xml, NULL);
+ xfree (remote_support_xml);
+ remote_support_xml = p;
+ }
+#endif
+}
+
+static char *
+remote_query_supported_append (char *msg, const char *append)
+{
+ if (msg)
+ {
+ char *p = concat (msg, ";", append, NULL);
+ xfree (msg);
+ return p;
+ }
+ else
+ return xstrdup (append);
+}
+
static void
remote_query_supported (void)
{
rs->buf[0] = 0;
if (remote_protocol_packets[PACKET_qSupported].support != PACKET_DISABLE)
{
+ char *q = NULL;
const char *qsupported = gdbarch_qsupported (target_gdbarch);
+
+ if (rs->extended)
+ q = remote_query_supported_append (q, "multiprocess+");
+
if (qsupported)
+ q = remote_query_supported_append (q, qsupported);
+
+ if (remote_support_xml)
+ q = remote_query_supported_append (q, remote_support_xml);
+
+ if (q)
{
- char *q;
- if (rs->extended)
- q = concat ("qSupported:multiprocess+;", qsupported, NULL);
- else
- q = concat ("qSupported:", qsupported, NULL);
- putpkt (q);
+ char *p = concat ("qSupported:", q, NULL);
xfree (q);
+ putpkt (p);
+ xfree (p);
}
else
- {
- if (rs->extended)
- putpkt ("qSupported:multiprocess+");
- else
- putpkt ("qSupported");
- }
+ putpkt ("qSupported");
getpkt (&rs->buf, &rs->buf_size, 0);
if (reg == NULL)
error (_("Remote sent bad register number %s: %s\n\
Packet: '%s'\n"),
- phex_nz (pnum, 0), p, buf);
+ hex_string (pnum), p, buf);
cached_reg.num = reg->regnum;
{0, 0};
static unsigned long
-crc32 (unsigned char *buf, int len, unsigned int crc)
+crc32 (const unsigned char *buf, int len, unsigned int crc)
{
if (!crc32_table[1])
{
return crc;
}
+/* Verify memory using the "qCRC:" request. */
+
+static int
+remote_verify_memory (struct target_ops *ops,
+ const gdb_byte *data, CORE_ADDR lma, ULONGEST size)
+{
+ struct remote_state *rs = get_remote_state ();
+ unsigned long host_crc, target_crc;
+ char *tmp;
+
+ /* 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. */
+ host_crc = crc32 (data, size, 0xffffffff);
+
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ if (rs->buf[0] == 'E')
+ return -1;
+
+ if (rs->buf[0] != 'C')
+ error (_("remote target does not support this operation"));
+
+ for (target_crc = 0, tmp = &rs->buf[1]; *tmp; tmp++)
+ target_crc = target_crc * 16 + fromhex (*tmp);
+
+ return (host_crc == target_crc);
+}
+
/* compare-sections command
With no arguments, compares each loadable section in the exec bfd
with the same memory range on the target, and reports mismatches.
- Useful for verifying the image on the target against the exec file.
- Depends on the target understanding the new "qCRC:" request. */
-
-/* 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. */
+ Useful for verifying the image on the target against the exec file. */
static void
compare_sections_command (char *args, int from_tty)
{
- struct remote_state *rs = get_remote_state ();
asection *s;
- unsigned long host_crc, target_crc;
struct cleanup *old_chain;
- char *tmp;
char *sectdata;
const char *sectname;
bfd_size_type size;
bfd_vma lma;
int matched = 0;
int mismatched = 0;
+ int res;
if (!exec_bfd)
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"));
for (s = exec_bfd->sections; s; s = s->next)
{
matched = 1; /* do this section */
lma = s->lma;
- /* 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. */
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 (&rs->buf, &rs->buf_size, 0);
- if (rs->buf[0] == 'E')
+ res = target_verify_memory (sectdata, lma, size);
+
+ if (res == -1)
error (_("target memory fault, section %s, range %s -- %s"), sectname,
paddress (target_gdbarch, lma),
paddress (target_gdbarch, lma + size));
- if (rs->buf[0] != 'C')
- error (_("remote target does not support this operation"));
-
- for (target_crc = 0, tmp = &rs->buf[1]; *tmp; tmp++)
- target_crc = target_crc * 16 + fromhex (*tmp);
printf_filtered ("Section %s, range %s -- %s: ", sectname,
paddress (target_gdbarch, lma),
paddress (target_gdbarch, lma + size));
- if (host_crc == target_crc)
+ if (res)
printf_filtered ("matched.\n");
else
{
return 0;
}
+/* Provide thread local base, i.e. Thread Information Block address.
+ Returns 1 if ptid is found and thread_local_base is non zero. */
+
+int
+remote_get_tib_address (ptid_t ptid, CORE_ADDR *addr)
+{
+ if (remote_protocol_packets[PACKET_qGetTIBAddr].support != PACKET_DISABLE)
+ {
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ char *endp = rs->buf + get_remote_packet_size ();
+ enum packet_result result;
+
+ strcpy (p, "qGetTIBAddr:");
+ p += strlen (p);
+ p = write_ptid (p, endp, ptid);
+ *p++ = '\0';
+
+ putpkt (rs->buf);
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ result = packet_ok (rs->buf,
+ &remote_protocol_packets[PACKET_qGetTIBAddr]);
+ if (result == PACKET_OK)
+ {
+ ULONGEST result;
+
+ unpack_varlen_hex (rs->buf, &result);
+ if (addr)
+ *addr = (CORE_ADDR) result;
+ return 1;
+ }
+ else if (result == PACKET_UNKNOWN)
+ error (_("Remote target doesn't support qGetTIBAddr packet"));
+ else
+ error (_("Remote target failed to process qGetTIBAddr request"));
+ }
+ else
+ error (_("qGetTIBAddr not supported or disabled on this target"));
+ /* Not reached. */
+ return 0;
+}
+
/* Support for inferring a target description based on the current
architecture and the size of a 'g' packet. While the 'g' packet
can have any size (since optional registers can be left off the
}
static void
-remote_trace_init ()
+remote_trace_init (void)
{
putpkt ("QTinit");
remote_get_noisy_reply (&target_buf, &target_buf_size);
- if (strcmp (target_buf, "OK"))
+ if (strcmp (target_buf, "OK") != 0)
error (_("Target does not support this command."));
}
xfree (actions_list);
}
+/* Recursive routine to walk through command list including loops, and
+ download packets for each command. */
+
+static void
+remote_download_command_source (int num, ULONGEST addr,
+ struct command_line *cmds)
+{
+ struct remote_state *rs = get_remote_state ();
+ struct command_line *cmd;
+
+ for (cmd = cmds; cmd; cmd = cmd->next)
+ {
+ QUIT; /* allow user to bail out with ^C */
+ strcpy (rs->buf, "QTDPsrc:");
+ encode_source_string (num, addr, "cmd", cmd->line,
+ rs->buf + strlen (rs->buf),
+ rs->buf_size - strlen (rs->buf));
+ putpkt (rs->buf);
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (strcmp (target_buf, "OK"))
+ warning (_("Target does not support source download."));
+
+ if (cmd->control_type == while_control
+ || cmd->control_type == while_stepping_control)
+ {
+ remote_download_command_source (num, addr, *cmd->body_list);
+
+ QUIT; /* allow user to bail out with ^C */
+ strcpy (rs->buf, "QTDPsrc:");
+ encode_source_string (num, addr, "cmd", "end",
+ rs->buf + strlen (rs->buf),
+ rs->buf_size - strlen (rs->buf));
+ putpkt (rs->buf);
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (strcmp (target_buf, "OK"))
+ warning (_("Target does not support source download."));
+ }
+ }
+}
+
static void
remote_download_tracepoint (struct breakpoint *t)
{
struct bp_location *loc;
CORE_ADDR tpaddr;
- char tmp[40];
+ char addrbuf[40];
char buf[2048];
char **tdp_actions;
char **stepping_actions;
(void) make_cleanup (free_actions_list_cleanup_wrapper, stepping_actions);
tpaddr = loc->address;
- sprintf_vma (tmp, (loc ? tpaddr : 0));
+ sprintf_vma (addrbuf, tpaddr);
sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number,
- tmp, /* address */
+ addrbuf, /* address */
(t->enable_state == bp_enabled ? 'E' : 'D'),
t->step_count, t->pass_count);
/* Fast tracepoints are mostly handled by the target, but we can
warning (_("Target does not support conditional tracepoints, ignoring tp %d cond"), t->number);
}
- if (t->actions || *default_collect)
+ if (t->commands || *default_collect)
strcat (buf, "-");
putpkt (buf);
remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Target does not support tracepoints."));
- if (!t->actions && !*default_collect)
- continue;
-
/* do_single_steps (t); */
if (tdp_actions)
{
{
QUIT; /* allow user to bail out with ^C */
sprintf (buf, "QTDP:-%x:%s:%s%c",
- t->number, tmp, /* address */
+ t->number, addrbuf, /* address */
tdp_actions[ndx],
((tdp_actions[ndx + 1] || stepping_actions)
? '-' : 0));
{
QUIT; /* allow user to bail out with ^C */
sprintf (buf, "QTDP:-%x:%s:%s%s%s",
- t->number, tmp, /* address */
+ t->number, addrbuf, /* address */
((ndx == 0) ? "S" : ""),
stepping_actions[ndx],
(stepping_actions[ndx + 1] ? "-" : ""));
error (_("Error on target while setting tracepoints."));
}
}
+
+ if (remote_protocol_packets[PACKET_TracepointSource].support == PACKET_ENABLE)
+ {
+ if (t->addr_string)
+ {
+ strcpy (buf, "QTDPsrc:");
+ encode_source_string (t->number, loc->address,
+ "at", t->addr_string, buf + strlen (buf),
+ 2048 - strlen (buf));
+
+ putpkt (buf);
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (strcmp (target_buf, "OK"))
+ warning (_("Target does not support source download."));
+ }
+ if (t->cond_string)
+ {
+ strcpy (buf, "QTDPsrc:");
+ encode_source_string (t->number, loc->address,
+ "cond", t->cond_string, buf + strlen (buf),
+ 2048 - strlen (buf));
+ putpkt (buf);
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (strcmp (target_buf, "OK"))
+ warning (_("Target does not support source download."));
+ }
+ remote_download_command_source (t->number, loc->address,
+ breakpoint_commands (t));
+ }
+
do_cleanups (old_chain);
}
}
*p++ = '\0';
putpkt (rs->buf);
remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (*target_buf == '\0')
+ error (_("Target does not support this command."));
+ if (strcmp (target_buf, "OK") != 0)
+ error (_("Error on target while downloading trace state variable."));
}
static void
-remote_trace_set_readonly_regions ()
+remote_trace_set_readonly_regions (void)
{
asection *s;
bfd_size_type size;
}
static void
-remote_trace_start ()
+remote_trace_start (void)
{
putpkt ("QTStart");
remote_get_noisy_reply (&target_buf, &target_buf_size);
- if (strcmp (target_buf, "OK"))
+ if (*target_buf == '\0')
+ error (_("Target does not support this command."));
+ if (strcmp (target_buf, "OK") != 0)
error (_("Bogus reply from target: %s"), target_buf);
}
trace_regblock_size = get_remote_arch_state ()->sizeof_g_packet;
putpkt ("qTStatus");
- getpkt (&target_buf, &target_buf_size, 0);
- /* FIXME should handle more variety of replies */
-
- p = target_buf;
+ p = remote_get_noisy_reply (&target_buf, &target_buf_size);
/* If the remote target doesn't do tracing, flag it. */
if (*p == '\0')
}
static void
-remote_trace_stop ()
+remote_trace_stop (void)
{
putpkt ("QTStop");
remote_get_noisy_reply (&target_buf, &target_buf_size);
- if (strcmp (target_buf, "OK"))
+ if (*target_buf == '\0')
+ error (_("Target does not support this command."));
+ if (strcmp (target_buf, "OK") != 0)
error (_("Bogus reply from target: %s"), target_buf);
}
putpkt (rs->buf);
reply = remote_get_noisy_reply (&(rs->buf), &sizeof_pkt);
+ if (*reply == '\0')
+ error (_("Target does not support this command."));
while (reply && *reply)
switch (*reply)
{
case 'F':
- if ((target_frameno = (int) strtol (++reply, &reply, 16)) == -1)
- error (_("Target failed to find requested trace frame."));
+ p = ++reply;
+ target_frameno = (int) strtol (p, &reply, 16);
+ if (reply == p)
+ error (_("Unable to parse trace frame number"));
+ if (target_frameno == -1)
+ return -1;
break;
case 'T':
- if ((target_tracept = (int) strtol (++reply, &reply, 16)) == -1)
- error (_("Target failed to find requested trace frame."));
+ p = ++reply;
+ target_tracept = (int) strtol (p, &reply, 16);
+ if (reply == p)
+ error (_("Unable to parse tracepoint number"));
break;
case 'O': /* "OK"? */
if (reply[1] == 'K' && reply[2] == '\0')
}
static int
-remote_save_trace_data (char *filename)
+remote_save_trace_data (const char *filename)
{
struct remote_state *rs = get_remote_state ();
char *p, *reply;
p += 2 * bin2hex ((gdb_byte *) filename, p, 0);
*p++ = '\0';
putpkt (rs->buf);
- remote_get_noisy_reply (&target_buf, &target_buf_size);
+ reply = remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (*reply != '\0')
+ error (_("Target does not support this command."));
+ if (strcmp (reply, "OK") != 0)
+ error (_("Bogus reply from target: %s"), reply);
return 0;
}
{
struct remote_state *rs = get_remote_state ();
- sprintf (rs->buf, "QTDisconnected:%x", val);
- putpkt (rs->buf);
- remote_get_noisy_reply (&target_buf, &target_buf_size);
- if (strcmp (target_buf, "OK"))
- error (_("Target does not support this command."));
+ if (rs->disconnected_tracing)
+ {
+ char *reply;
+
+ sprintf (rs->buf, "QTDisconnected:%x", val);
+ putpkt (rs->buf);
+ reply = remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (*reply == '\0')
+ error (_("Target does not support this command."));
+ if (strcmp (reply, "OK") != 0)
+ error (_("Bogus reply from target: %s"), reply);
+ }
+ else if (val)
+ warning (_("Target does not support disconnected tracing."));
}
static int
remote_set_circular_trace_buffer (int val)
{
struct remote_state *rs = get_remote_state ();
+ char *reply;
sprintf (rs->buf, "QTBuffer:circular:%x", val);
putpkt (rs->buf);
- remote_get_noisy_reply (&target_buf, &target_buf_size);
- if (strcmp (target_buf, "OK"))
+ reply = remote_get_noisy_reply (&target_buf, &target_buf_size);
+ if (*reply == '\0')
error (_("Target does not support this command."));
+ if (strcmp (reply, "OK") != 0)
+ error (_("Bogus reply from target: %s"), reply);
}
static void
remote_ops.to_set_disconnected_tracing = remote_set_disconnected_tracing;
remote_ops.to_set_circular_trace_buffer = remote_set_circular_trace_buffer;
remote_ops.to_core_of_thread = remote_core_of_thread;
+ remote_ops.to_verify_memory = remote_verify_memory;
+ remote_ops.to_get_tib_address = remote_get_tib_address;
}
/* Set up the extended remote vector by making a copy of the standard
"qGetTLSAddr", "get-thread-local-storage-address",
0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qGetTIBAddr],
+ "qGetTIBAddr", "get-thread-information-block-address",
+ 0);
+
add_packet_config_cmd (&remote_protocol_packets[PACKET_bc],
"bc", "reverse-continue", 0);
add_packet_config_cmd (&remote_protocol_packets[PACKET_FastTracepoints],
"FastTracepoints", "fast-tracepoints", 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_TracepointSource],
+ "TracepointSource", "TracepointSource", 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
projects / thirdparty / binutils-gdb.git / blobdiff