/* 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, 2005
+ 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. */
#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>
/* 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);
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 void skip_frame (void);
+
+static long read_frame (char **buf_p, long *sizeof_buf);
-static int remote_insert_breakpoint (CORE_ADDR, char *);
+static int remote_insert_breakpoint (CORE_ADDR, bfd_byte *);
-static int remote_remove_breakpoint (CORE_ADDR, char *);
+static int remote_remove_breakpoint (CORE_ADDR, bfd_byte *);
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);
/* 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. */
long remote_packet_size;
+
+ /* 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;
};
int regnum;
struct remote_state *rs = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct remote_state);
- if (deprecated_register_bytes () != 0)
- rs->sizeof_g_packet = deprecated_register_bytes ();
- else
- rs->sizeof_g_packet = 0;
+ rs->sizeof_g_packet = 0;
/* Assume a 1:1 regnum<->pnum table. */
rs->regs = GDBARCH_OBSTACK_CALLOC (gdbarch, NUM_REGS + NUM_PSEUDO_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);
+ if (regnum < NUM_REGS)
+ rs->sizeof_g_packet += register_size (current_gdbarch, regnum);
}
/* Default maximum number of characters in a packet body. Many
/* This one is filled in when a ``g'' packet is received. */
rs->actual_register_packet_size = 0;
+ /* Create the buffer at a default size. Note that this would
+ leak memory if the gdbarch were ever destroyed; there's no
+ way to register a destructor for it, and we can't realloc
+ using the gdbarch obstack. But gdbarches are never
+ destroyed. */
+ rs->buf_size = rs->remote_packet_size;
+ rs->buf = xmalloc (rs->buf_size);
+
return rs;
}
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;
\f
/* User configurable variables for the number of characters in a
- memory read/write packet. MIN ((rs->remote_packet_size),
+ 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
+ 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). */
}
else
{
- what_they_get = (rs->remote_packet_size);
+ what_they_get = rs->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 = 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;
}
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 RS->remote_packet_size. */
+ if (size > rs->remote_packet_size)
+ size = rs->remote_packet_size;
return size;
}
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;
}
}
}
}
-/* 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);
-}
-
-static void
-show_remote_protocol_vcont_packet_cmd (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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_qPart_auxv,
+ PACKET_qGetTLSAddr,
+ 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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. */
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]);
}
}
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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- 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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- show_packet_config_cmd (&remote_protocol_qPart_auxv);
-}
-
-/* Should we try the 'qGetTLSAddr' (Get Thread Local Storage Address) request? */
-static struct packet_config remote_protocol_qGetTLSAddr;
-
-static void
-set_remote_protocol_qGetTLSAddr_packet_cmd (char *args, int from_tty,
- struct cmd_list_element *c)
-{
- update_packet_config (&remote_protocol_qGetTLSAddr);
-}
-
-static void
-show_remote_protocol_qGetTLSAddr_packet_cmd (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- show_packet_config_cmd (&remote_protocol_qGetTLSAddr);
-}
-
-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 (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
-{
- show_packet_config_cmd (&remote_protocol_p);
-}
-
-
-
/* Tokens for use by the asynchronous signal handlers for SIGINT. */
static void *sigint_remote_twice_token;
static void *sigint_remote_token;
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], rs->remote_packet_size - 2, "-%x", -th);
else
- sprintf (&buf[2], "%x", th);
+ xsnprintf (&buf[2], rs->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];
+ char *buf = rs->buf;
if (tid < 0)
- sprintf (buf, "T-%08x", -tid);
+ xsnprintf (buf, rs->remote_packet_size, "T-%08x", -tid);
else
- sprintf (buf, "T%08x", tid);
+ xsnprintf (buf, rs->remote_packet_size, "T%08x", tid);
putpkt (buf);
- getpkt (buf, sizeof (buf), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
return (buf[0] == 'O' && buf[1] == 'K');
}
int active; /* Has state interesting to GDB?
regs, stack. */
char display[256]; /* Brief state display, name,
- blocked/syspended. */
+ blocked/suspended. */
char shortname[32]; /* To be used to name threads. */
char more_display[256]; /* Long info, statistics, queue depth,
whatever. */
int i, value = 0;
unsigned char *scan;
- scan = (char *) ref;
+ scan = *ref;
scan += 4;
i = 4;
while (i-- > 0)
{
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. */
{
struct remote_state *rs = get_remote_state ();
int result;
- char *threadinfo_pkt = alloca (rs->remote_packet_size);
+ char *threadinfo_pkt = rs->buf;
pack_threadinfo_request (threadinfo_pkt, fieldset, threadid);
putpkt (threadinfo_pkt);
- getpkt (threadinfo_pkt, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
result = remote_unpack_thread_info_response (threadinfo_pkt + 2,
threadid, info);
return result;
resultcount = 0;
/* Assume the 'q' and 'M chars have been stripped. */
- limit = pkt + ((rs->remote_packet_size) - BUF_THREAD_ID_SIZE);
+ 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);
{
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);
+ char *threadlist_packet = rs->buf;
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;
+ if ((((result_limit + 1) * BUF_THREAD_ID_SIZE) + 10) >= rs->remote_packet_size)
+ result_limit = (rs->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))
remote_current_thread (ptid_t oldpid)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ char *buf = rs->buf;
putpkt ("qC");
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (buf[0] == 'Q' && 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
remote_threads_info (void)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
char *bufp;
int tid;
if (use_threadinfo_query)
{
putpkt ("qfThreadInfo");
- bufp = buf;
- getpkt (bufp, (rs->remote_packet_size), 0);
+ bufp = rs->buf;
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (bufp[0] != '\0') /* q packet recognized */
{
while (*bufp++ == 'm') /* reply contains one or more TID */
}
while (*bufp++ == ','); /* comma-separated list */
putpkt ("qsThreadInfo");
- bufp = buf;
- getpkt (bufp, (rs->remote_packet_size), 0);
+ bufp = rs->buf;
+ getpkt (&rs->buf, &rs->buf_size, 0);
}
return; /* done */
}
threadref id;
struct gdb_ext_thread_info threadinfo;
static char display_buf[100]; /* arbitrary... */
- char *bufp = alloca (rs->remote_packet_size);
int n = 0; /* position in display_buf */
if (remote_desc == 0) /* paranoia */
if (use_threadextra_query)
{
- sprintf (bufp, "qThreadExtraInfo,%x", PIDGET (tp->ptid));
+ char *bufp = rs->buf;
+
+ xsnprintf (bufp, rs->remote_packet_size, "qThreadExtraInfo,%x",
+ PIDGET (tp->ptid));
putpkt (bufp);
- getpkt (bufp, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (bufp[0] != 0)
{
n = min (strlen (bufp) / 2, sizeof (display_buf));
- result = hex2bin (bufp, display_buf, n);
+ result = hex2bin (bufp, (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)
{
}
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, rs->remote_packet_size, "R%x", 0);
+ putpkt (rs->buf);
/* 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->remote_packet_size, 0);
}
\f
/* Clean up connection to a remote debugger. */
get_offsets (void)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ char *buf = rs->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);
if (buf[0] == '\000')
return; /* Return silently. Stub doesn't support
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);
- update_packet_config (&remote_protocol_qGetTLSAddr);
+ for (i = 0; i < PACKET_MAX; i++)
+ update_packet_config (&remote_protocol_packets[i]);
}
/* Symbol look-up. */
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 (rs->remote_packet_size);
+
+ reply = rs->buf;
/* 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]);
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, rs->remote_packet_size, "qSymbol::%s", &reply[8]);
else
- sprintf (msg, "qSymbol:%s:%s",
- paddr_nz (SYMBOL_VALUE_ADDRESS (sym)),
- &reply[8]);
+ xsnprintf (msg, rs->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);
}
}
remote_open_1 (char *name, int from_tty, struct target_ops *target,
int extended_p, int async_p)
{
- struct exception ex;
struct remote_state *rs = get_remote_state ();
if (name == 0)
error (_("To open a remote debug connection, you need to specify what\n"
wait_forever_enabled_p = 0;
}
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
/* First delete any symbols previously loaded from shared libraries. */
no_shared_libraries (NULL, 0);
-#endif
/* Start the remote connection. If error() 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_exception (uiout, remote_start_remote, NULL, RETURN_MASK_ALL);
- if (ex.reason < 0)
- {
- pop_target ();
- if (async_p)
- wait_forever_enabled_p = 1;
- throw_exception (ex);
- }
+ {
+ struct gdb_exception ex
+ = catch_exception (uiout, remote_start_remote, NULL, RETURN_MASK_ALL);
+ 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);
+ getpkt (&rs->buf, &rs->buf_size, 0);
}
-#ifdef SOLIB_CREATE_INFERIOR_HOOK
- /* FIXME: need a master target_open vector from which all
- remote_opens can be called, so that stuff like this can
- go there. Failing that, the following code must be copied
- to the open function for any remote target that wants to
- support svr4 shared libraries. */
-
- /* Set up to detect and load shared libraries. */
- if (exec_bfd) /* No use without an exec file. */
- {
- SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
- remote_check_symbols (symfile_objfile);
- }
-#endif
- observer_notify_inferior_created (¤t_target, from_tty);
+ post_create_inferior (¤t_target, from_tty);
+
+ 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."));
/* 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. */
if (target_is_async_p ())
static void
remote_disconnect (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."));
}
static int
-hex2bin (const char *hex, char *bin, int count)
+hex2bin (const char *hex, gdb_byte *bin, int count)
{
int i;
}
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. */
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)
{
+ char *buf = rs->buf;
+
strcpy (buf, "vCont?");
putpkt (buf);
- getpkt (buf, rs->remote_packet_size, 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
/* 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
}
gdb_assert (outbuf && strlen (outbuf) < rs->remote_packet_size);
- make_cleanup (xfree, outbuf);
+ 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 = rs->buf;
int pid = PIDGET (ptid);
- char *p;
last_sent_signal = siggnal;
last_sent_step = step;
remote_wait (ptid_t ptid, struct target_waitstatus *status)
{
struct remote_state *rs = get_remote_state ();
- unsigned char *buf = alloca (rs->remote_packet_size);
+ char *buf = rs->buf;
ULONGEST thread_num = -1;
ULONGEST addr;
while (1)
{
- unsigned char *p;
+ char *p;
ofunc = signal (SIGINT, remote_interrupt);
- getpkt (buf, (rs->remote_packet_size), 1);
+ getpkt (&rs->buf, &rs->buf_size, 1);
signal (SIGINT, ofunc);
/* This is a hook for when we need to do something (perhaps the
continue;
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. */
/* format is: 'Tssn...:r...;n...:r...;n...:r...;#cc', where
while (*p)
{
- unsigned char *p1;
+ char *p1;
char *p_temp;
int fieldsize;
LONGEST pnum = 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. */
{
- p1 = (unsigned char *) strchr (p, ':');
+ p1 = strchr (p, ':');
if (p1 == NULL)
warning (_("Malformed packet(a) (missing colon): %s\n\
Packet: '%s'\n"),
{
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
Packet: '%s'\n"),
phex_nz (pnum, 0), p, buf);
- fieldsize = hex2bin (p, regs,
+ fieldsize = hex2bin (p, regs,
register_size (current_gdbarch,
reg->regnum));
p += 2 * fieldsize;
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);
+ char *buf = rs->buf;
ULONGEST thread_num = -1;
ULONGEST addr;
while (1)
{
- unsigned char *p;
+ char *p;
if (!target_is_async_p ())
ofunc = signal (SIGINT, remote_interrupt);
_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);
+ getpkt (&rs->buf, &rs->buf_size, wait_forever_enabled_p);
if (!target_is_async_p ())
signal (SIGINT, ofunc);
continue;
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. */
/* format is: 'Tssn...:r...;n...:r...;n...:r...;#cc', where
while (*p)
{
- unsigned char *p1;
+ char *p1;
char *p_temp;
int fieldsize;
long pnum = 0;
{
/* 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. */
{
- p1 = (unsigned char *) strchr (p, ':');
+ p1 = strchr (p, ':');
if (p1 == NULL)
error (_("Malformed packet(a) (missing colon): %s\n\
Packet: '%s'\n"),
{
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;
}
Packet: '%s'\n"),
pnum, p, buf);
- fieldsize = hex2bin (p, regs,
+ fieldsize = hex2bin (p, regs,
register_size (current_gdbarch,
reg->regnum));
p += 2 * fieldsize;
fetch_register_using_p (int regnum)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size), *p;
+ char *buf = rs->buf, *p;
char regp[MAX_REGISTER_SIZE];
int i;
*p++ = 'p';
p += hexnumstr (p, regnum);
*p++ = '\0';
- remote_send (buf, rs->remote_packet_size);
+ remote_send (&rs->buf, &rs->buf_size);
/* If the stub didn't recognize the packet, or if we got an error,
tell our caller. */
remote_fetch_registers (int regnum)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
+ char *buf = rs->buf;
int i;
char *p;
char *regs = alloca (rs->sizeof_g_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))
{
/* 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));
+ remote_send (&rs->buf, &rs->buf_size);
/* 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
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);
}
/* Reply describes registers byte by byte, each byte encoded as two
{
struct remote_state *rs = get_remote_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:
struct remote_state *rs = get_remote_state ();
struct packet_reg *reg = packet_reg_from_regnum (rs, 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, rs->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';
}
remote_store_registers (int regnum)
{
struct remote_state *rs = get_remote_state ();
- char *buf;
- char *regs;
- int i;
+ 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))
{
/* 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;
}
}
/* 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
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 *buf = rs->buf;
char *p;
p = buf;
*p = '\0';
putpkt_binary (buf, (int) (p - buf));
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (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;
}
error. Only transfer a single packet. */
int
-remote_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
+remote_write_bytes (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
{
- unsigned char *buf;
- unsigned char *p;
- unsigned char *plen;
- long sizeof_buf;
+ struct remote_state *rs = get_remote_state ();
+ char *buf;
+ char *p;
+ char *plen;
int plenlen;
int todo;
int nr_bytes;
int payload_size;
- unsigned char *payload_start;
+ char *payload_start;
/* Verify that the target can support a binary download. */
check_binary_download (memaddr);
payload_size = get_memory_write_packet_size ();
- /* Compute the size, and then allocate space for the largest
- possible packet. Include space for an extra trailing NUL. */
- sizeof_buf = payload_size + 1;
- buf = alloca (sizeof_buf);
+ /* The packet buffer will be large enough for the payload;
+ get_memory_packet_size ensures this. */
+ buf = rs->buf;
/* Compute the size of the actual payload by subtracting out the
packet header and footer overhead: "$M<memaddr>,<len>:...#nn".
/* Append "[XM]". Compute a best guess of the number of bytes
actually transfered. */
p = buf;
- switch (remote_protocol_binary_download.support)
+ switch (remote_protocol_packets[PACKET_X].support)
{
case PACKET_ENABLE:
*p++ = 'X';
/* Append the packet body. */
payload_start = p;
- switch (remote_protocol_binary_download.support)
+ switch (remote_protocol_packets[PACKET_X].support)
{
case PACKET_ENABLE:
/* Binary mode. Send target system values byte by byte, in
}
putpkt_binary (buf, (int) (p - buf));
- getpkt (buf, sizeof_buf, 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (buf[0] == 'E')
{
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)
{
+ struct remote_state *rs = get_remote_state ();
char *buf;
int max_buf_size; /* Max size of packet output buffer. */
- long sizeof_buf;
int origlen;
- /* Create a buffer big enough for this packet. */
max_buf_size = get_memory_read_packet_size ();
- sizeof_buf = max_buf_size + 1; /* Space for trailing NULL. */
- buf = alloca (sizeof_buf);
+ /* The packet buffer will be large enough for the payload;
+ get_memory_packet_size ensures this. */
+ buf = rs->buf;
origlen = len;
while (len > 0)
*p = '\0';
putpkt (buf);
- getpkt (buf, sizeof_buf, 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (buf[0] == 'E'
&& isxdigit (buf[1]) && isxdigit (buf[2])
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)
{
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,
+ 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. */
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;
was lost. Gobble up the packet and ack it so it
doesn't get retransmitted when we resend this
packet. */
- read_frame (junkbuf, sizeof_junkbuf);
+ skip_frame ();
serial_write (remote_desc, "+", 1);
continue; /* Now, go look for +. */
}
}
}
+/* 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). */
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 NULL. */
c = readchar (remote_timeout);
switch (c)
{
/* 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. */
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. */
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)
{
if (remote_debug)
{
fprintf_unfiltered (gdb_stdlog, "Packet received: ");
- fputstr_unfiltered (buf, 0, gdb_stdlog);
+ fputstr_unfiltered (*buf, 0, gdb_stdlog);
fprintf_unfiltered (gdb_stdlog, "\n");
}
serial_write (remote_desc, "+", 1);
/* 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. */
/* Clean up from the last time we were running. */
clear_proceed_status ();
-
- /* Let the remote process run. */
- proceed (-1, TARGET_SIGNAL_0, 0);
}
\f
of bytes returned by BREAKPOINT_FROM_PC. */
static int
-remote_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
+remote_insert_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
{
struct remote_state *rs = get_remote_state ();
#ifdef DEPRECATED_REMOTE_BREAKPOINT
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)
+ 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';
BREAKPOINT_FROM_PC (&addr, &bp_size);
sprintf (p, ",%d", bp_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;
}
static int
-remote_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
+remote_remove_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
{
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';
BREAKPOINT_FROM_PC (&addr, &bp_size);
sprintf (p, ",%d", bp_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
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__,
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)
+ if (remote_protocol_packets[PACKET_Z0 + packet].support == PACKET_DISABLE)
error (_("Can't set hardware watchpoints without the '%s' (%s) packet."),
- remote_protocol_Z[packet].name,
- remote_protocol_Z[packet].title);
+ remote_protocol_packets[PACKET_Z0 + packet].name,
+ remote_protocol_packets[PACKET_Z0 + packet].title);
- 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:
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)
+ if (remote_protocol_packets[PACKET_Z0 + packet].support == PACKET_DISABLE)
error (_("Can't clear hardware watchpoints without the '%s' (%s) packet."),
- remote_protocol_Z[packet].name,
- remote_protocol_Z[packet].title);
+ remote_protocol_packets[PACKET_Z0 + packet].name,
+ remote_protocol_packets[PACKET_Z0 + packet].title);
- 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:
static int
-remote_insert_hw_breakpoint (CORE_ADDR addr, char *shadow)
+remote_insert_hw_breakpoint (CORE_ADDR addr, gdb_byte *shadow)
{
int len = 0;
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)
+ if (remote_protocol_packets[PACKET_Z1].support == PACKET_DISABLE)
error (_("Can't set hardware breakpoint without the '%s' (%s) packet."),
- remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
- remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
+ remote_protocol_packets[PACKET_Z1].name,
+ remote_protocol_packets[PACKET_Z1].title);
*(p++) = 'Z';
*(p++) = '1';
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[Z_PACKET_HARDWARE_BP]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z1]))
{
case PACKET_ERROR:
case PACKET_UNKNOWN:
static int
-remote_remove_hw_breakpoint (CORE_ADDR addr, char *shadow)
+remote_remove_hw_breakpoint (CORE_ADDR addr, gdb_byte *shadow)
{
int len;
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)
+ if (remote_protocol_packets[PACKET_Z1].support == PACKET_DISABLE)
error (_("Can't clear hardware breakpoint without the '%s' (%s) packet."),
- remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
- remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
+ remote_protocol_packets[PACKET_Z1].name,
+ remote_protocol_packets[PACKET_Z1].title);
*(p++) = 'z';
*(p++) = '1';
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[Z_PACKET_HARDWARE_BP]))
+ switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_Z1]))
{
case PACKET_ERROR:
case PACKET_UNKNOWN:
char *tmp;
char *sectdata;
const char *sectname;
- char *buf = alloca (rs->remote_packet_size);
bfd_size_type size;
bfd_vma lma;
int matched = 0;
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);
+ xsnprintf (rs->buf, rs->remote_packet_size, "qCRC:%lx,%lx",
+ (long) lma, (long) size);
+ putpkt (rs->buf);
/* Be clever; compute the host_crc before waiting for target
reply. */
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')
+ 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')
+ 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: ",
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;
/* Handle memory using remote_xfer_memory. */
break;
case TARGET_OBJECT_AUXV:
- if (remote_protocol_qPart_auxv.support != PACKET_DISABLE)
+ if (remote_protocol_packets[PACKET_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,
+ snprintf (rs->buf, rs->remote_packet_size,
"qPart:auxv:read::%s,%s",
phex_nz (offset, sizeof offset),
phex_nz (n, sizeof n));
- i = putpkt (buf2);
+ i = putpkt (rs->buf);
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)
+ rs->buf[0] = '\0';
+ getpkt (&rs->buf, &rs->buf_size, 0);
+ if (packet_ok (rs->buf, &remote_protocol_packets[PACKET_qPart_auxv])
+ != PACKET_OK)
return total > 0 ? total : -1;
- if (buf2[0] == 'O' && buf2[1] == 'K' && buf2[2] == '\0')
+ if (strcmp (rs->buf, "OK") == 0)
break; /* Got EOF indicator. */
/* Got some data. */
- i = hex2bin (buf2, readbuf, len);
+ i = hex2bin (rs->buf, readbuf, len);
if (i > 0)
{
readbuf = (void *) ((char *) readbuf + i);
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))
+ /* Minimum outbuf size is RS->remote_packet_size. If LEN is not
+ large enough let the caller deal with it. */
+ if (len < rs->remote_packet_size)
return -1;
len = rs->remote_packet_size;
gdb_assert (annex != NULL);
gdb_assert (readbuf != NULL);
+ p2 = rs->buf;
*p2++ = 'q';
*p2++ = query_type;
(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 < (rs->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 *buf = rs->buf;
char *p = buf;
if (!remote_desc)
strcpy (buf, "qRcmd,");
p = strchr (buf, '\0');
- if ((strlen (buf) + strlen (command) * 2 + 8/*misc*/) > (rs->remote_packet_size))
+ if ((strlen (buf) + strlen (command) * 2 + 8/*misc*/) > rs->remote_packet_size)
error (_("\"monitor\" command ``%s'' is too long."), command);
/* Encode the actual command. */
- bin2hex (command, p, 0);
+ bin2hex ((gdb_byte *) command, p, 0);
- if (putpkt (buf) < 0)
+ if (putpkt (rs->buf) < 0)
error (_("Communication problem with target."));
/* get/display the response */
{
/* XXX - see also tracepoint.c:remote_get_noisy_reply(). */
buf[0] = '\0';
- getpkt (buf, (rs->remote_packet_size), 0);
+ getpkt (&rs->buf, &rs->buf_size, 0);
if (buf[0] == '\0')
error (_("Target does not support this command."));
if (buf[0] == 'O' && buf[1] != 'K')
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"));
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");
}
remote_pid_to_str (ptid_t ptid)
{
static char buf[32];
- int size;
- size = snprintf (buf, sizeof buf, "thread %d", ptid_get_pid (ptid));
- gdb_assert (size < sizeof buf);
+ xsnprintf (buf, sizeof buf, "thread %d", ptid_get_pid (ptid));
return buf;
}
static CORE_ADDR
remote_get_thread_local_address (ptid_t ptid, CORE_ADDR lm, CORE_ADDR offset)
{
- if (remote_protocol_qGetTLSAddr.support != PACKET_DISABLE)
+ if (remote_protocol_packets[PACKET_qGetTLSAddr].support != PACKET_DISABLE)
{
struct remote_state *rs = get_remote_state ();
- char *buf = alloca (rs->remote_packet_size);
- char *p = buf;
+ char *p = rs->buf;
enum packet_result result;
strcpy (p, "qGetTLSAddr:");
p += hexnumstr (p, lm);
*p++ = '\0';
- putpkt (buf);
- getpkt (buf, rs->remote_packet_size, 0);
- result = packet_ok (buf, &remote_protocol_qGetTLSAddr);
+ 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 (buf, &result);
+ unpack_varlen_hex (rs->buf, &result);
return result;
}
else if (result == PACKET_UNKNOWN)
- {
- struct exception e
- = { RETURN_ERROR, TLS_GENERIC_ERROR,
- "Remote target doesn't support qGetTLSAddr packet" };
- throw_exception (e);
- }
+ throw_error (TLS_GENERIC_ERROR,
+ _("Remote target doesn't support qGetTLSAddr packet"));
else
- {
- struct exception e
- = { RETURN_ERROR, TLS_GENERIC_ERROR,
- "Remote target failed to process qGetTLSAddr request" };
- throw_exception (e);
-
- }
+ throw_error (TLS_GENERIC_ERROR,
+ _("Remote target failed to process qGetTLSAddr request"));
}
else
- {
- struct exception e
- = { RETURN_ERROR, TLS_GENERIC_ERROR,
- "TLS not supported or disabled on this target" };
- throw_exception (e);
- }
+ throw_error (TLS_GENERIC_ERROR,
+ _("TLS not supported or disabled on this target"));
/* Not reached. */
return 0;
}
extended_async_remote_ops.to_mourn_inferior = extended_remote_mourn;
}
+static struct cmd_list_element *remote_set_cmdlist;
+static struct cmd_list_element *remote_show_cmdlist;
+
static void
set_remote_cmd (char *args, int from_tty)
{
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 (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_P_packet_cmd (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_p_packet_cmd (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_qSymbol_packet_cmd (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_vcont_packet_cmd (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_binary_download_cmd (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_qPart_auxv_packet_cmd (gdb_stdout, from_tty, NULL, NULL);
- show_remote_protocol_qGetTLSAddr_packet_cmd (gdb_stdout, from_tty, NULL, NULL);
+ /* We can't just use cmd_show_list here, because we want to skip
+ the redundant "show remote Z-packet". */
+ 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 == show_cmd)
+ {
+ 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, ": ");
+ do_setshow_command ((char *) NULL, from_tty, list);
+ /* Close the tuple. */
+ do_cleanups (option_chain);
+ }
}
static void
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;
-
/* architecture specific data */
remote_gdbarch_data_handle =
gdbarch_data_register_post_init (init_remote_state);
NULL, /* FIXME: i18n: */
&setlist, &showlist);
- add_packet_config_cmd (&remote_protocol_binary_download,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_X],
"X", "binary-download",
- set_remote_protocol_binary_download_cmd,
- show_remote_protocol_binary_download_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
1);
- add_packet_config_cmd (&remote_protocol_vcont,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vCont],
"vCont", "verbose-resume",
- set_remote_protocol_vcont_packet_cmd,
- show_remote_protocol_vcont_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_qSymbol,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qSymbol],
"qSymbol", "symbol-lookup",
- set_remote_protocol_qSymbol_packet_cmd,
- show_remote_protocol_qSymbol_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_P,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_P],
"P", "set-register",
- set_remote_protocol_P_packet_cmd,
- show_remote_protocol_P_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
1);
- add_packet_config_cmd (&remote_protocol_p,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_p],
"p", "fetch-register",
- set_remote_protocol_p_packet_cmd,
- show_remote_protocol_p_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
1);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP],
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z0],
"Z0", "software-breakpoint",
- set_remote_protocol_Z_software_bp_packet_cmd,
- show_remote_protocol_Z_software_bp_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP],
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z1],
"Z1", "hardware-breakpoint",
- set_remote_protocol_Z_hardware_bp_packet_cmd,
- show_remote_protocol_Z_hardware_bp_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP],
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z2],
"Z2", "write-watchpoint",
- set_remote_protocol_Z_write_wp_packet_cmd,
- show_remote_protocol_Z_write_wp_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP],
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z3],
"Z3", "read-watchpoint",
- set_remote_protocol_Z_read_wp_packet_cmd,
- show_remote_protocol_Z_read_wp_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP],
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_Z4],
"Z4", "access-watchpoint",
- set_remote_protocol_Z_access_wp_packet_cmd,
- show_remote_protocol_Z_access_wp_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_qPart_auxv,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qPart_auxv],
"qPart_auxv", "read-aux-vector",
- set_remote_protocol_qPart_auxv_packet_cmd,
- show_remote_protocol_qPart_auxv_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- add_packet_config_cmd (&remote_protocol_qGetTLSAddr,
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_qGetTLSAddr],
"qGetTLSAddr", "get-thread-local-storage-address",
- set_remote_protocol_qGetTLSAddr_packet_cmd,
- show_remote_protocol_qGetTLSAddr_packet_cmd,
+ set_remote_protocol_packet_cmd,
+ show_remote_protocol_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
0);
- /* Keep the old ``set remote Z-packet ...'' working. */
+ /* 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"), _("\
projects / deliverable / binutils-gdb.git / blobdiff