little. */
if (rs->sizeof_g_packet > ((rs->remote_packet_size - 32) / 2))
rs->remote_packet_size = (rs->sizeof_g_packet * 2 + 32);
-
+
/* This one is filled in when a ``g'' packet is received. */
rs->actual_register_packet_size = 0;
{
show_packet_config_cmd (&remote_protocol_e);
}
-
+
/* Should we try the 'E' (step over range / w signal #) request? */
static struct packet_config remote_protocol_E;
{
show_packet_config_cmd (&remote_protocol_E);
}
-
+
/* Should we try the 'P' (set register) request? */
This variable (NOT available to the user: auto-detect only!)
determines whether GDB will use the new, simpler "ThreadInfo"
query or the older, more complex syntax for thread queries.
- This is an auto-detect variable (set to true at each connect,
+ This is an auto-detect variable (set to true at each connect,
and set to false when the target fails to recognize it). */
static int use_threadinfo_query;
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);
+}
+
/* Tokens for use by the asynchronous signal handlers for SIGINT */
static void *sigint_remote_twice_token;
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_MOREDISPLAY 16 /* Whatever the kernel wants to say about
+#define TAG_MOREDISPLAY 16 /* Whatever the kernel wants to say about
the process */
static int
return oldpid;
}
-/* Find new threads for info threads command.
- * Original version, using John Metzler's thread protocol.
+/* Find new threads for info threads command.
+ * Original version, using John Metzler's thread protocol.
*/
static void
bufp = buf;
getpkt (bufp, (rs->remote_packet_size), 0);
if (bufp[0] != '\0') /* q packet recognized */
- {
+ {
while (*bufp++ == 'm') /* reply contains one or more TID */
{
do
return;
}
-/*
+/*
* Collect a descriptive string about the given thread.
* The target may say anything it wants to about the thread
* (typically info about its blocked / runnable state, name, etc.).
* This string will appear in the info threads display.
- *
+ *
* Optional: targets are not required to implement this function.
*/
if (symfile_objfile == NULL)
return;
- offs = ((struct section_offsets *)
+ offs = ((struct section_offsets *)
alloca (SIZEOF_N_SECTION_OFFSETS (symfile_objfile->num_sections)));
- memcpy (offs, symfile_objfile->section_offsets,
+ memcpy (offs, symfile_objfile->section_offsets,
SIZEOF_N_SECTION_OFFSETS (symfile_objfile->num_sections));
offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_addr;
/* 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);
}
/* Symbol look-up. */
if (sym == NULL)
sprintf (msg, "qSymbol::%s", &reply[8]);
else
- sprintf (msg, "qSymbol:%s:%s",
+ sprintf (msg, "qSymbol:%s:%s",
paddr_nz (SYMBOL_VALUE_ADDRESS (sym)),
&reply[8]);
putpkt (msg);
push_target (target); /* Switch to using remote target now */
init_all_packet_configs ();
-
+
general_thread = -2;
continue_thread = -2;
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
+ /* 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
+ to the open function for any remote target that wants to
support svr4 shared libraries. */
/* Set up to detect and load shared libraries. */
too is not supported. But that would require another copy of
the code to issue the 'e' packet (and fall back to 's' if not
supported) in remote_wait(). */
-
+
if (siggnal != TARGET_SIGNAL_0)
{
if (remote_protocol_E.support != PACKET_DISABLE)
/* Wait until the remote machine stops, then return,
storing status in STATUS just as `wait' would.
- Returns "pid", which in the case of a multi-threaded
+ Returns "pid", which in the case of a multi-threaded
remote OS, is the thread-id. */
static ptid_t
LONGEST pnum = 0;
/* If the packet contains a register number save it in pnum
- and set p1 to point to the character following it.
+ 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'
pnum = strtol (p, &p_temp, 16);
p1 = (unsigned char *) p_temp;
}
- else
+ else
p1 = p;
if (p1 == p) /* No register number present here */
long pnum = 0;
/* If the packet contains a register number, save it in pnum
- and set p1 to point to the character following it.
+ and set p1 to point to the character following it.
Otherwise p1 points to p. */
/* If this packet is an awatch packet, don't parse the 'a'
as a register number. */
-
+
if (!strncmp (p, "awatch", strlen ("awatch")) != 0)
{
/* Read the register number. */
pnum = strtol (p, &p_temp, 16);
p1 = (unsigned char *) p_temp;
}
- else
+ else
p1 = p;
if (p1 == p) /* No register number present here */
p = p_temp;
}
}
-
+
else
{
struct packet_reg *reg = packet_reg_from_pnum (rs, pnum);
{
char *buf = alloca (rs->remote_packet_size);
char *p;
-
+
p = buf;
*p++ = 'X';
p += hexnumstr (p, (ULONGEST) addr);
p += hexnumstr (p, (ULONGEST) 0);
*p++ = ':';
*p = '\0';
-
+
putpkt_binary (buf, (int) (p - buf));
getpkt (buf, (rs->remote_packet_size), 0);
default:
internal_error (__FILE__, __LINE__, "bad switch");
}
-
+
/* Append "<memaddr>". */
memaddr = remote_address_masked (memaddr);
p += hexnumstr (p, (ULONGEST) memaddr);
/* 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;
/* Append ":". */
*p++ = ':';
*p = '\0';
-
+
/* Append the packet body. */
payload_start = p;
switch (remote_protocol_binary_download.support)
}
if (nr_bytes < todo)
{
- /* Escape chars have filled up the buffer prematurely,
+ /* Escape chars have filled up the buffer prematurely,
and we have actually sent fewer bytes than planned.
Fix-up the length field of the packet. Use the same
number of characters as before. */
default:
internal_error (__FILE__, __LINE__, "bad switch");
}
-
+
putpkt_binary (buf, (int) (p - buf));
getpkt (buf, sizeof_buf, 0);
-
+
if (buf[0] == 'E')
{
/* There is no correspondance between what the remote protocol
errno = EIO;
return 0;
}
-
+
/* Return NR_BYTES, not TODO, in case escape chars caused us to send fewer
bytes than we'd planned. */
return nr_bytes;
check_0 = readchar (remote_timeout);
if (check_0 >= 0)
check_1 = readchar (remote_timeout);
-
+
if (check_0 == SERIAL_TIMEOUT || check_1 == SERIAL_TIMEOUT)
{
if (remote_debug)
/* The character before ``*'' is repeated. */
- if (repeat > 0 && repeat <= 255
+ if (repeat > 0 && repeat <= 255
&& bc > 0
&& bc + repeat - 1 < sizeof_buf - 1)
{
{
/* We do _not_ want to mourn the target like this; this will
remove the extended remote target from the target stack,
- and the next time the user says "run" it'll fail.
+ and the next time the user says "run" it'll fail.
FIXME: What is the right thing to do here? */
#if 0
/* In the extended protocol we want to be able to do things like
"run" and have them basically work as expected. So we need
- a special create_inferior function.
+ a special create_inferior function.
FIXME: One day add support for changing the exec file
we're debugging, arguments and an environment. */
struct remote_state *rs = get_remote_state ();
#ifdef DEPRECATED_REMOTE_BREAKPOINT
int val;
-#endif
+#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. */
-
+
if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
{
char *buf = alloca (rs->remote_packet_size);
char *p = buf;
-
+
addr = remote_address_masked (addr);
*(p++) = 'Z';
*(p++) = '0';
p += hexnumstr (p, (ULONGEST) addr);
BREAKPOINT_FROM_PC (&addr, &bp_size);
sprintf (p, ",%d", bp_size);
-
+
putpkt (buf);
getpkt (buf, (rs->remote_packet_size), 0);
}
}
-#ifdef DEPRECATED_REMOTE_BREAKPOINT
+#ifdef DEPRECATED_REMOTE_BREAKPOINT
val = target_read_memory (addr, contents_cache, sizeof big_break_insn);
if (val == 0)
{
char *buf = alloca (rs->remote_packet_size);
char *p = buf;
-
+
*(p++) = 'z';
*(p++) = '0';
*(p++) = ',';
p += hexnumstr (p, (ULONGEST) addr);
BREAKPOINT_FROM_PC (&addr, &bp_size);
sprintf (p, ",%d", bp_size);
-
+
putpkt (buf);
getpkt (buf, (rs->remote_packet_size), 0);
error ("Can't set hardware watchpoints without the '%s' (%s) packet\n",
remote_protocol_Z[packet].name,
remote_protocol_Z[packet].title);
-
+
sprintf (buf, "Z%x,", packet);
p = strchr (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);
error ("Can't clear hardware watchpoints without the '%s' (%s) packet\n",
remote_protocol_Z[packet].name,
remote_protocol_Z[packet].title);
-
+
sprintf (buf, "z%x,", packet);
p = strchr (buf, '\0');
addr = remote_address_masked (addr);
struct remote_state *rs = get_remote_state ();
char *buf = alloca (rs->remote_packet_size);
char *p = buf;
-
+
/* The length field should be set to the size of a breakpoint
instruction. */
- BREAKPOINT_FROM_PC (&addr, &len);
+ BREAKPOINT_FROM_PC (&addr, &len);
if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
error ("Can't set hardware breakpoint without the '%s' (%s) packet\n",
remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
-
+
*(p++) = 'Z';
*(p++) = '1';
*(p++) = ',';
-
+
addr = remote_address_masked (addr);
p += hexnumstr (p, (ULONGEST) addr);
sprintf (p, ",%x", len);
}
-static int
+static int
remote_remove_hw_breakpoint (CORE_ADDR addr, char *shadow)
{
int len;
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);
-
+
*(p++) = 'z';
*(p++) = '1';
*(p++) = ',';
-
+
addr = remote_address_masked (addr);
p += hexnumstr (p, (ULONGEST) addr);
sprintf (p, ",%x", len);
putpkt(buf);
getpkt (buf, (rs->remote_packet_size), 0);
-
+
switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
{
case PACKET_ERROR:
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;
+
default:
return -1;
}
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);
}
static void
&remote_set_cmdlist, &remote_show_cmdlist,
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,
+ 0);
+
/* Keep the old ``set remote Z-packet ...'' working. */
add_setshow_auto_boolean_cmd ("Z-packet", class_obscure,
&remote_Z_packet_detect, "\
projects / binutils-gdb.git / commitdiff