Differential D44354 Diff 136926 sys/gdb/gdb_main.c

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sys/gdb/gdb_main.c

Show First 20 Lines • Show All 261 Lines • ▼ Show 20 Lines	nofeatures:
/*		/*
* We don't buffer framing bytes, but we do need to retain a byte for a		* We don't buffer framing bytes, but we do need to retain a byte for a
* trailing nul.		* trailing nul.
*/		*/
gdb_tx_varhex(GDB_BUFSZ + strlen("$#nn") - 1);		gdb_tx_varhex(GDB_BUFSZ + strlen("$#nn") - 1);

gdb_tx_str(";qXfer:threads:read+");		gdb_tx_str(";qXfer:threads:read+");

		#ifdef HAS_HW_BREAKPOINT
		if ((*feat & GDB_HWBREAK) != 0)
		gdb_tx_str(";hwbreak+");
		#endif

/*		/*
* If the debugport is a reliable transport, request No Ack mode from		* If the debugport is a reliable transport, request No Ack mode from
* the server. The server may or may not choose to enter No Ack mode.		* the server. The server may or may not choose to enter No Ack mode.
* https://sourceware.org/gdb/onlinedocs/gdb/Packet-Acknowledgment.html		* https://sourceware.org/gdb/onlinedocs/gdb/Packet-Acknowledgment.html
*/		*/
if (gdb_cur->gdb_dbfeatures & GDB_DBGP_FEAT_RELIABLE)		if (gdb_cur->gdb_dbfeatures & GDB_DBGP_FEAT_RELIABLE)
gdb_tx_str(";QStartNoAckMode+");		gdb_tx_str(";QStartNoAckMode+");

▲ Show 20 Lines • Show All 365 Lines • ▼ Show 20 Lines	case '3': /* read watchpoint */
error = kdb_cpu_set_watchpoint((vm_offset_t)addr,		error = kdb_cpu_set_watchpoint((vm_offset_t)addr,
(vm_size_t)length, KDB_DBG_ACCESS_R);		(vm_size_t)length, KDB_DBG_ACCESS_R);
break;		break;
case '4': /* access (RW) watchpoint */		case '4': /* access (RW) watchpoint */
error = kdb_cpu_set_watchpoint((vm_offset_t)addr,		error = kdb_cpu_set_watchpoint((vm_offset_t)addr,
(vm_size_t)length, KDB_DBG_ACCESS_RW);		(vm_size_t)length, KDB_DBG_ACCESS_RW);
break;		break;
case '1': /* hardware breakpoint */		case '1': /* hardware breakpoint */
		#ifdef HAS_HW_BREAKPOINT
		error = kdb_cpu_set_breakpoint((vm_offset_t)addr);
		break;
		#endif
case '0': /* software breakpoint */		case '0': /* software breakpoint */
/* Not implemented. */		/* Not implemented. */
gdb_tx_empty();		gdb_tx_empty();
return;		return;
default:		default:
error = EINVAL;		error = EINVAL;
break;		break;
}		}
Show All 28 Lines	gdb_z_remove(void)
switch (ztype) {		switch (ztype) {
case '2': /* write watchpoint */		case '2': /* write watchpoint */
case '3': /* read watchpoint */		case '3': /* read watchpoint */
case '4': /* access (RW) watchpoint */		case '4': /* access (RW) watchpoint */
error = kdb_cpu_clr_watchpoint((vm_offset_t)addr,		error = kdb_cpu_clr_watchpoint((vm_offset_t)addr,
(vm_size_t)length);		(vm_size_t)length);
break;		break;
case '1': /* hardware breakpoint */		case '1': /* hardware breakpoint */
		#ifdef HAS_HW_BREAKPOINT
		error = kdb_cpu_clr_breakpoint((vm_offset_t)addr);
		break;
		#endif
case '0': /* software breakpoint */		case '0': /* software breakpoint */
/* Not implemented. */		/* Not implemented. */
gdb_tx_empty();		gdb_tx_empty();
return;		return;
default:		default:
error = EINVAL;		error = EINVAL;
break;		break;
}		}
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