OpenE2K
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binutils-gdb
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2004-02-25 Roland McGrath <roland@redhat.com> 

* remote.c (remote_protocol_qPart_auxv): New variable.
	(init_all_packet_configs): Initialize it.
	(set_remote_protocol_qPart_auxv_packet_cmd): New function.
	(show_remote_protocol_qPart_auxv_packet_cmd): New function.
	(show_remote_cmd): Call it.
	(_initialize_remote): Initialize commands.
	(remote_xfer_partial): If enabled, use qPart:auxv:read:... query to
	service TARGET_OBJECT_AUXV requests.
This commit is contained in:
Roland McGrath 2004-02-25 20:41:00 +00:00
parent 66745969b0
commit 802188a76c
1 changed files with 117 additions and 56 deletions
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61
gdb/remote.c
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@ -981,6 +981,23 @@ show_remote_protocol_binary_download_cmd (char *args, int from_tty,
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;
@ -2070,6 +2087,7 @@ init_all_packet_configs (void)
/* 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. */
@ -4872,6 +4890,41 @@ remote_xfer_partial (struct target_ops *ops, enum target_object object,
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;
}
@ -5369,6 +5422,7 @@ show_remote_cmd (char *args, int from_tty)
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
@ -5612,6 +5666,13 @@ in a memory packet.\n",
&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, "\