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* server.c (process_serial_event): Add support for Z0 and Z1 packet.

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* target.h (target_ops): Comment for *_watchpoint to make it clear
the functions can get types '0' and '1'.
This commit is contained in:
Aleksandar Ristovski 2009-06-23 15:12:44 +00:00
parent 0639a6f662
commit c631402292
3 changed files with 50 additions and 53 deletions
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6
gdb/gdbserver/ChangeLog
View file

@ -1,3 +1,9 @@
2009-06-23 Aleksandar Ristovski <aristovski@qnx.com>
* server.c (process_serial_event): Add support for Z0 and Z1 packet.
* target.h (target_ops): Comment for *_watchpoint to make it clear
the functions can get types '0' and '1'.
2009-06-22 Aleksandar Ristovski <aristovski@qnx.com> 2009-06-22 Aleksandar Ristovski <aristovski@qnx.com>
* linux-low.c (usr_fetch_inferior_registers): Remove check for regno 0. * linux-low.c (usr_fetch_inferior_registers): Remove check for regno 0.

88
gdb/gdbserver/server.c
View file

@ -2371,66 +2371,56 @@ process_serial_event (void)
signal = 0; signal = 0;
myresume (own_buf, 1, signal); myresume (own_buf, 1, signal);
break; break;
case 'Z': case 'Z': /* insert_ ... */
/* Fallthrough. */
case 'z': /* remove_ ... */
{ {
char *lenptr; char *lenptr;
char *dataptr; char *dataptr;
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16); CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
int len = strtol (lenptr + 1, &dataptr, 16); int len = strtol (lenptr + 1, &dataptr, 16);
char type = own_buf[1]; char type = own_buf[1];
int res;
const int insert_ = ch == 'Z';
/* Type: '0' - software-breakpoint
'1' - hardware-breakpoint
'2' - write watchpoint
'3' - read watchpoint
'4' - access watchpoint */
if (the_target->insert_watchpoint == NULL if (the_target->insert_watchpoint == NULL
|| (type < '2' || type > '4')) || the_target->remove_watchpoint == NULL)
{ res = 1; /* Not supported. */
/* No watchpoint support or not a watchpoint command;
unrecognized either way. */
own_buf[0] = '\0';
}
else else
{ switch (type)
int res; {
case '2':
/* Fallthrough. */
case '3':
/* Fallthrough. */
case '4':
require_running (own_buf);
/* Fallthrough. */
case '0':
/* Fallthrough. */
case '1':
res = insert_ ? (*the_target->insert_watchpoint) (type, addr,
len)
: (*the_target->remove_watchpoint) (type, addr,
len);
break;
default:
res = -1; /* Unrecognized type. */
}
require_running (own_buf); if (res == 0)
res = (*the_target->insert_watchpoint) (type, addr, len); write_ok (own_buf);
if (res == 0) else if (res == 1)
write_ok (own_buf); /* Unsupported. */
else if (res == 1) own_buf[0] = '\0';
/* Unsupported. */
own_buf[0] = '\0';
else
write_enn (own_buf);
}
break;
}
case 'z':
{
char *lenptr;
char *dataptr;
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
int len = strtol (lenptr + 1, &dataptr, 16);
char type = own_buf[1];
if (the_target->remove_watchpoint == NULL
|| (type < '2' || type > '4'))
{
/* No watchpoint support or not a watchpoint command;
unrecognized either way. */
own_buf[0] = '\0';
}
else else
{ write_enn (own_buf);
int res;
require_running (own_buf);
res = (*the_target->remove_watchpoint) (type, addr, len);
if (res == 0)
write_ok (own_buf);
else if (res == 1)
/* Unsupported. */
own_buf[0] = '\0';
else
write_enn (own_buf);
}
break; break;
} }
case 'k': case 'k':

9
gdb/gdbserver/target.h
View file

@ -216,10 +216,11 @@ struct target_ops
/* Insert and remove a hardware watchpoint. /* Insert and remove a hardware watchpoint.
Returns 0 on success, -1 on failure and 1 on unsupported. Returns 0 on success, -1 on failure and 1 on unsupported.
The type is coded as follows: The type is coded as follows:
2 = write watchpoint '0' - software-breakpoint
3 = read watchpoint '1' - hardware-breakpoint
4 = access watchpoint '2' - write watchpoint
*/ '3' - read watchpoint
'4' - access watchpoint */
int (*insert_watchpoint) (char type, CORE_ADDR addr, int len); int (*insert_watchpoint) (char type, CORE_ADDR addr, int len);
int (*remove_watchpoint) (char type, CORE_ADDR addr, int len); int (*remove_watchpoint) (char type, CORE_ADDR addr, int len);