diff options
Diffstat (limited to 'gdb/gdbserver/server.c')
| -rw-r--r-- | gdb/gdbserver/server.c | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c index 17ee5e1..156fcc8a 100644 --- a/gdb/gdbserver/server.c +++ b/gdb/gdbserver/server.c @@ -463,6 +463,58 @@ handle_btrace_general_set (char *own_buf) return 1; } +/* Handle the "Qbtrace-conf" packet. */ + +static int +handle_btrace_conf_general_set (char *own_buf) +{ + struct thread_info *thread; + char *op; + + if (strncmp ("Qbtrace-conf:", own_buf, strlen ("Qbtrace-conf:")) != 0) + return 0; + + op = own_buf + strlen ("Qbtrace-conf:"); + + if (ptid_equal (general_thread, null_ptid) + || ptid_equal (general_thread, minus_one_ptid)) + { + strcpy (own_buf, "E.Must select a single thread."); + return -1; + } + + thread = find_thread_ptid (general_thread); + if (thread == NULL) + { + strcpy (own_buf, "E.No such thread."); + return -1; + } + + if (strncmp (op, "bts:size=", strlen ("bts:size=")) == 0) + { + unsigned long size; + char *endp = NULL; + + errno = 0; + size = strtoul (op + strlen ("bts:size="), &endp, 16); + if (endp == NULL || *endp != 0 || errno != 0 || size > UINT_MAX) + { + strcpy (own_buf, "E.Bad size value."); + return -1; + } + + current_btrace_conf.bts.size = (unsigned int) size; + } + else + { + strcpy (own_buf, "E.Bad Qbtrace configuration option."); + return -1; + } + + write_ok (own_buf); + return 1; +} + /* Handle all of the extended 'Q' packets. */ static void @@ -622,6 +674,9 @@ handle_general_set (char *own_buf) if (handle_btrace_general_set (own_buf)) return; + if (handle_btrace_conf_general_set (own_buf)) + return; + /* Otherwise we didn't know what packet it was. Say we didn't understand it. */ own_buf[0] = 0; @@ -1761,7 +1816,10 @@ static void supported_btrace_packets (char *buf) { if (target_supports_btrace (BTRACE_FORMAT_BTS)) - strcat (buf, ";Qbtrace:bts+"); + { + strcat (buf, ";Qbtrace:bts+"); + strcat (buf, ";Qbtrace-conf:bts:size+"); + } else return; |