OpenE2K/binutils-gdb
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2004-09-24 Robert Picco <Robert.Picco@hp.com>

Browse Source 
Committed by Andrew Cagney.
	* remote.c (set_remote_protocol_p_packet_cmd, remote_protocol_p)
	(show_remote_protocol_p_packet_cmd): New.  Implement 'p' packet.
	configuration.
	(fetch_register_using_p): Implement 'p' packet.  Based on code by
	Fernando Nasser.
	(remote_fetch_registers): Call fetch_register_using_p.
	(init_all_packet_configs, show_remote_cmd)
	(_initialize_remote): Add p-packet.
This commit is contained in:
Andrew Cagney 2004-09-24 19:51:18 +00:00
parent 62ece330ee
commit b96ec7ac6d
2 changed files with 93 additions and 0 deletions
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12
gdb/ChangeLog
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@ -1,3 +1,15 @@
2004-09-24 Robert Picco <Robert.Picco@hp.com>
Committed by Andrew Cagney.
* remote.c (set_remote_protocol_p_packet_cmd, remote_protocol_p)
(show_remote_protocol_p_packet_cmd): New. Implement 'p' packet.
configuration.
(fetch_register_using_p): Implement 'p' packet. Based on code by
Fernando Nasser.
(remote_fetch_registers): Call fetch_register_using_p.
(init_all_packet_configs, show_remote_cmd)
(_initialize_remote): Add p-packet.
2004-09-24 Mark Kettenis <kettenis@gnu.org>
* inf-ptrace.c (inf_ptrace_kill_inferior): Call ptrace directly

81
gdb/remote.c
View File

@ -961,6 +961,23 @@ show_remote_protocol_qPart_auxv_packet_cmd (char *args, int from_tty,
show_packet_config_cmd (&remote_protocol_qPart_auxv);
}
static struct packet_config remote_protocol_p;
static void
set_remote_protocol_p_packet_cmd (char *args, int from_tty,
struct cmd_list_element *c)
{
update_packet_config (&remote_protocol_p);
}
static void
show_remote_protocol_p_packet_cmd (char *args, int from_tty,
struct cmd_list_element *c)
{
show_packet_config_cmd (&remote_protocol_p);
}
/* Tokens for use by the asynchronous signal handlers for SIGINT */
static void *sigint_remote_twice_token;
@ -2041,6 +2058,7 @@ 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++)
@ -3150,6 +3168,36 @@ static int register_bytes_found;
/* Read the remote registers into the block REGS. */
/* Currently we just read all the registers, so we don't use regnum. */
static int
fetch_register_using_p (int regnum)
{
struct remote_state *rs = get_remote_state ();
char *buf = alloca (rs->remote_packet_size), *p;
char regp[MAX_REGISTER_SIZE];
int i;
buf[0] = 'p';
bin2hex((char *) &regnum, &buf[1], sizeof(regnum));
buf[9] = 0;
remote_send (buf, rs->remote_packet_size);
if (buf[0] != 0 && buf[0] != 'E') {
p = buf;
i = 0;
while (p[0] != 0) {
if (p[1] == 0) {
error("fetch_register_using_p: early buf termination");
return 0;
}
regp[i++] = fromhex (p[0]) * 16 + fromhex (p[1]);
p += 2;
}
regcache_raw_supply (current_regcache, regnum, regp);
return 1;
}
return 0;
}
static void
remote_fetch_registers (int regnum)
{
@ -3170,6 +3218,31 @@ remote_fetch_registers (int regnum)
"Attempt to fetch a non G-packet register when this "
"remote.c does not support the p-packet.");
}
switch (remote_protocol_p.support)
{
case PACKET_DISABLE:
break;
case PACKET_ENABLE:
if (fetch_register_using_p (regnum))
return;
else
error ("Protocol error: p packet not recognized by stub");
case PACKET_SUPPORT_UNKNOWN:
if (fetch_register_using_p (regnum))
{
/* The stub recognized the 'p' packet. Remember this. */
remote_protocol_p.support = PACKET_ENABLE;
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;
break;
}
}
sprintf (buf, "g");
remote_send (buf, (rs->remote_packet_size));
@ -5332,6 +5405,7 @@ show_remote_cmd (char *args, int from_tty)
remote_show_cmdlist for a list of sub commands to show. */
show_remote_protocol_Z_packet_cmd (args, from_tty, NULL);
show_remote_protocol_P_packet_cmd (args, from_tty, NULL);
show_remote_protocol_p_packet_cmd (args, from_tty, NULL);
show_remote_protocol_qSymbol_packet_cmd (args, from_tty, NULL);
show_remote_protocol_vcont_packet_cmd (args, from_tty, NULL);
show_remote_protocol_binary_download_cmd (args, from_tty, NULL);
@ -5528,6 +5602,13 @@ in a memory packet.\n",
&remote_set_cmdlist, &remote_show_cmdlist,
1);
add_packet_config_cmd (&remote_protocol_p,
"p", "fetch-register",
set_remote_protocol_p_packet_cmd,
show_remote_protocol_p_packet_cmd,
&remote_set_cmdlist, &remote_show_cmdlist,
1);
add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP],
"Z0", "software-breakpoint",
set_remote_protocol_Z_software_bp_packet_cmd,